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author | Anton Babushkin <anton.babushkin@me.com> | 2013-12-25 18:41:23 +0400 |
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committer | Anton Babushkin <anton.babushkin@me.com> | 2013-12-25 18:41:23 +0400 |
commit | 26daae0b0af2f73171f2e741178474873724fdbe (patch) | |
tree | 82ef7934249fa285d7ea32d0d839812641c0a6a1 | |
parent | 1e4bb764a61335c0e209f83438e74264e972a164 (diff) | |
parent | 69218d2bd58a12a2ce89066a5e6a9e8682529cd5 (diff) | |
download | px4-firmware-26daae0b0af2f73171f2e741178474873724fdbe.tar.gz px4-firmware-26daae0b0af2f73171f2e741178474873724fdbe.tar.bz2 px4-firmware-26daae0b0af2f73171f2e741178474873724fdbe.zip |
Merge branch 'mathlib_new' into vector_control2
45 files changed, 1348 insertions, 3036 deletions
diff --git a/makefiles/config_px4fmu-v1_test.mk b/makefiles/config_px4fmu-v1_test.mk new file mode 100644 index 000000000..42a35c5dd --- /dev/null +++ b/makefiles/config_px4fmu-v1_test.mk @@ -0,0 +1,50 @@ +# +# Makefile for the px4fmu_default configuration +# + +# +# Use the configuration's ROMFS. +# +ROMFS_ROOT = $(PX4_BASE)/ROMFS/px4fmu_test + +# +# Board support modules +# +MODULES += drivers/device +MODULES += drivers/stm32 +MODULES += drivers/led +MODULES += drivers/boards/px4fmu-v1 +MODULES += systemcmds/perf +MODULES += systemcmds/reboot +MODULES += systemcmds/tests +MODULES += systemcmds/nshterm + +# +# Libraries +# +LIBRARIES += lib/mathlib/CMSIS +MODULES += lib/mathlib + +# +# Library modules +# +MODULES += modules/systemlib +MODULES += modules/uORB +MODULES += modules/systemlib/mixer + +# +# Transitional support - add commands from the NuttX export archive. +# +# In general, these should move to modules over time. +# +# Each entry here is <command>.<priority>.<stacksize>.<entrypoint> but we use a helper macro +# to make the table a bit more readable. +# +define _B + $(strip $1).$(or $(strip $2),SCHED_PRIORITY_DEFAULT).$(or $(strip $3),CONFIG_PTHREAD_STACK_DEFAULT).$(strip $4) +endef + +# command priority stack entrypoint +BUILTIN_COMMANDS := \ + $(call _B, sercon, , 2048, sercon_main ) \ + $(call _B, serdis, , 2048, serdis_main ) diff --git a/src/lib/conversion/rotation.cpp b/src/lib/conversion/rotation.cpp index b078562c2..614877b18 100644 --- a/src/lib/conversion/rotation.cpp +++ b/src/lib/conversion/rotation.cpp @@ -41,22 +41,11 @@ #include "rotation.h" __EXPORT void -get_rot_matrix(enum Rotation rot, math::Matrix *rot_matrix) +get_rot_matrix(enum Rotation rot, math::Matrix<3,3> *rot_matrix) { - /* first set to zero */ - rot_matrix->Matrix::zero(3, 3); - float roll = M_DEG_TO_RAD_F * (float)rot_lookup[rot].roll; float pitch = M_DEG_TO_RAD_F * (float)rot_lookup[rot].pitch; float yaw = M_DEG_TO_RAD_F * (float)rot_lookup[rot].yaw; - math::EulerAngles euler(roll, pitch, yaw); - - math::Dcm R(euler); - - for (int i = 0; i < 3; i++) { - for (int j = 0; j < 3; j++) { - (*rot_matrix)(i, j) = R(i, j); - } - } + rot_matrix->from_euler(roll, pitch, yaw); } diff --git a/src/lib/conversion/rotation.h b/src/lib/conversion/rotation.h index 85c63c0fc..0c56494c5 100644 --- a/src/lib/conversion/rotation.h +++ b/src/lib/conversion/rotation.h @@ -116,6 +116,6 @@ const rot_lookup_t rot_lookup[] = { * Get the rotation matrix */ __EXPORT void -get_rot_matrix(enum Rotation rot, math::Matrix *rot_matrix); +get_rot_matrix(enum Rotation rot, math::Matrix<3,3> *rot_matrix); #endif /* ROTATION_H_ */ diff --git a/src/lib/ecl/l1/ecl_l1_pos_controller.cpp b/src/lib/ecl/l1/ecl_l1_pos_controller.cpp index 27d76f959..fb7ed486d 100644 --- a/src/lib/ecl/l1/ecl_l1_pos_controller.cpp +++ b/src/lib/ecl/l1/ecl_l1_pos_controller.cpp @@ -83,8 +83,8 @@ float ECL_L1_Pos_Controller::crosstrack_error(void) return _crosstrack_error; } -void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, const math::Vector2f &vector_B, const math::Vector2f &vector_curr_position, - const math::Vector2f &ground_speed_vector) +void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector<2> &vector_A, const math::Vector<2> &vector_B, const math::Vector<2> &vector_curr_position, + const math::Vector<2> &ground_speed_vector) { /* this follows the logic presented in [1] */ @@ -94,7 +94,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c float ltrack_vel; /* get the direction between the last (visited) and next waypoint */ - _target_bearing = get_bearing_to_next_waypoint(vector_curr_position.getX(), vector_curr_position.getY(), vector_B.getX(), vector_B.getY()); + _target_bearing = get_bearing_to_next_waypoint(vector_curr_position(0), vector_curr_position(1), vector_B(0), vector_B(1)); /* enforce a minimum ground speed of 0.1 m/s to avoid singularities */ float ground_speed = math::max(ground_speed_vector.length(), 0.1f); @@ -103,7 +103,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c _L1_distance = _L1_ratio * ground_speed; /* calculate vector from A to B */ - math::Vector2f vector_AB = get_local_planar_vector(vector_A, vector_B); + math::Vector<2> vector_AB = get_local_planar_vector(vector_A, vector_B); /* * check if waypoints are on top of each other. If yes, @@ -116,7 +116,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c vector_AB.normalize(); /* calculate the vector from waypoint A to the aircraft */ - math::Vector2f vector_A_to_airplane = get_local_planar_vector(vector_A, vector_curr_position); + math::Vector<2> vector_A_to_airplane = get_local_planar_vector(vector_A, vector_curr_position); /* calculate crosstrack error (output only) */ _crosstrack_error = vector_AB % vector_A_to_airplane; @@ -130,7 +130,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c float alongTrackDist = vector_A_to_airplane * vector_AB; /* estimate airplane position WRT to B */ - math::Vector2f vector_B_to_P_unit = get_local_planar_vector(vector_B, vector_curr_position).normalized(); + math::Vector<2> vector_B_to_P_unit = get_local_planar_vector(vector_B, vector_curr_position).normalized(); /* calculate angle of airplane position vector relative to line) */ @@ -143,14 +143,14 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c /* calculate eta to fly to waypoint A */ /* unit vector from waypoint A to current position */ - math::Vector2f vector_A_to_airplane_unit = vector_A_to_airplane.normalized(); + math::Vector<2> vector_A_to_airplane_unit = vector_A_to_airplane.normalized(); /* velocity across / orthogonal to line */ xtrack_vel = ground_speed_vector % (-vector_A_to_airplane_unit); /* velocity along line */ ltrack_vel = ground_speed_vector * (-vector_A_to_airplane_unit); eta = atan2f(xtrack_vel, ltrack_vel); /* bearing from current position to L1 point */ - _nav_bearing = atan2f(-vector_A_to_airplane_unit.getY() , -vector_A_to_airplane_unit.getX()); + _nav_bearing = atan2f(-vector_A_to_airplane_unit(1) , -vector_A_to_airplane_unit(0)); /* * If the AB vector and the vector from B to airplane point in the same @@ -174,7 +174,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c ltrack_vel = ground_speed_vector * (-vector_B_to_P_unit); eta = atan2f(xtrack_vel, ltrack_vel); /* bearing from current position to L1 point */ - _nav_bearing = atan2f(-vector_B_to_P_unit.getY() , -vector_B_to_P_unit.getX()); + _nav_bearing = atan2f(-vector_B_to_P_unit(1) , -vector_B_to_P_unit(0)); } else { @@ -194,7 +194,7 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c float eta1 = asinf(sine_eta1); eta = eta1 + eta2; /* bearing from current position to L1 point */ - _nav_bearing = atan2f(vector_AB.getY(), vector_AB.getX()) + eta1; + _nav_bearing = atan2f(vector_AB(1), vector_AB(0)) + eta1; } @@ -209,8 +209,8 @@ void ECL_L1_Pos_Controller::navigate_waypoints(const math::Vector2f &vector_A, c _bearing_error = eta; } -void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector2f &vector_A, const math::Vector2f &vector_curr_position, float radius, int8_t loiter_direction, - const math::Vector2f &ground_speed_vector) +void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector<2> &vector_A, const math::Vector<2> &vector_curr_position, float radius, int8_t loiter_direction, + const math::Vector<2> &ground_speed_vector) { /* the complete guidance logic in this section was proposed by [2] */ @@ -220,7 +220,7 @@ void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector2f &vector_A, cons float K_velocity = 2.0f * _L1_damping * omega; /* update bearing to next waypoint */ - _target_bearing = get_bearing_to_next_waypoint(vector_curr_position.getX(), vector_curr_position.getY(), vector_A.getX(), vector_A.getY()); + _target_bearing = get_bearing_to_next_waypoint(vector_curr_position(0), vector_curr_position(1), vector_A(0), vector_A(1)); /* ground speed, enforce minimum of 0.1 m/s to avoid singularities */ float ground_speed = math::max(ground_speed_vector.length() , 0.1f); @@ -229,10 +229,10 @@ void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector2f &vector_A, cons _L1_distance = _L1_ratio * ground_speed; /* calculate the vector from waypoint A to current position */ - math::Vector2f vector_A_to_airplane = get_local_planar_vector(vector_A, vector_curr_position); + math::Vector<2> vector_A_to_airplane = get_local_planar_vector(vector_A, vector_curr_position); /* store the normalized vector from waypoint A to current position */ - math::Vector2f vector_A_to_airplane_unit = (vector_A_to_airplane).normalized(); + math::Vector<2> vector_A_to_airplane_unit = (vector_A_to_airplane).normalized(); /* calculate eta angle towards the loiter center */ @@ -287,19 +287,19 @@ void ECL_L1_Pos_Controller::navigate_loiter(const math::Vector2f &vector_A, cons /* angle between requested and current velocity vector */ _bearing_error = eta; /* bearing from current position to L1 point */ - _nav_bearing = atan2f(-vector_A_to_airplane_unit.getY() , -vector_A_to_airplane_unit.getX()); + _nav_bearing = atan2f(-vector_A_to_airplane_unit(1) , -vector_A_to_airplane_unit(0)); } else { _lateral_accel = lateral_accel_sp_circle; _circle_mode = true; _bearing_error = 0.0f; /* bearing from current position to L1 point */ - _nav_bearing = atan2f(-vector_A_to_airplane_unit.getY() , -vector_A_to_airplane_unit.getX()); + _nav_bearing = atan2f(-vector_A_to_airplane_unit(1) , -vector_A_to_airplane_unit(0)); } } -void ECL_L1_Pos_Controller::navigate_heading(float navigation_heading, float current_heading, const math::Vector2f &ground_speed_vector) +void ECL_L1_Pos_Controller::navigate_heading(float navigation_heading, float current_heading, const math::Vector<2> &ground_speed_vector) { /* the complete guidance logic in this section was proposed by [2] */ @@ -352,14 +352,11 @@ void ECL_L1_Pos_Controller::navigate_level_flight(float current_heading) } -math::Vector2f ECL_L1_Pos_Controller::get_local_planar_vector(const math::Vector2f &origin, const math::Vector2f &target) const +math::Vector<2> ECL_L1_Pos_Controller::get_local_planar_vector(const math::Vector<2> &origin, const math::Vector<2> &target) const { /* this is an approximation for small angles, proposed by [2] */ - math::Vector2f out; - - out.setX(math::radians((target.getX() - origin.getX()))); - out.setY(math::radians((target.getY() - origin.getY())*cosf(math::radians(origin.getX())))); + math::Vector<2> out(math::radians((target(0) - origin(0))), math::radians((target(1) - origin(1))*cosf(math::radians(origin(0))))); return out * static_cast<float>(CONSTANTS_RADIUS_OF_EARTH); } diff --git a/src/lib/ecl/l1/ecl_l1_pos_controller.h b/src/lib/ecl/l1/ecl_l1_pos_controller.h index 7a3c42a92..5c0804a39 100644 --- a/src/lib/ecl/l1/ecl_l1_pos_controller.h +++ b/src/lib/ecl/l1/ecl_l1_pos_controller.h @@ -160,8 +160,8 @@ public: * * @return sets _lateral_accel setpoint */ - void navigate_waypoints(const math::Vector2f &vector_A, const math::Vector2f &vector_B, const math::Vector2f &vector_curr_position, - const math::Vector2f &ground_speed); + void navigate_waypoints(const math::Vector<2> &vector_A, const math::Vector<2> &vector_B, const math::Vector<2> &vector_curr_position, + const math::Vector<2> &ground_speed); /** @@ -172,8 +172,8 @@ public: * * @return sets _lateral_accel setpoint */ - void navigate_loiter(const math::Vector2f &vector_A, const math::Vector2f &vector_curr_position, float radius, int8_t loiter_direction, - const math::Vector2f &ground_speed_vector); + void navigate_loiter(const math::Vector<2> &vector_A, const math::Vector<2> &vector_curr_position, float radius, int8_t loiter_direction, + const math::Vector<2> &ground_speed_vector); /** @@ -185,7 +185,7 @@ public: * * @return sets _lateral_accel setpoint */ - void navigate_heading(float navigation_heading, float current_heading, const math::Vector2f &ground_speed); + void navigate_heading(float navigation_heading, float current_heading, const math::Vector<2> &ground_speed); /** @@ -260,7 +260,7 @@ private: * @param wp The point to convert to into the local coordinates, in WGS84 coordinates * @return The vector in meters pointing from the reference position to the coordinates */ - math::Vector2f get_local_planar_vector(const math::Vector2f &origin, const math::Vector2f &target) const; + math::Vector<2> get_local_planar_vector(const math::Vector<2> &origin, const math::Vector<2> &target) const; }; diff --git a/src/lib/external_lgpl/tecs/tecs.cpp b/src/lib/external_lgpl/tecs/tecs.cpp index a733ef1d2..d7f350e5c 100644 --- a/src/lib/external_lgpl/tecs/tecs.cpp +++ b/src/lib/external_lgpl/tecs/tecs.cpp @@ -29,7 +29,7 @@ using namespace math; * */ -void TECS::update_50hz(float baro_altitude, float airspeed, const math::Dcm &rotMat, const math::Vector3 &accel_body, const math::Vector3 &accel_earth) +void TECS::update_50hz(float baro_altitude, float airspeed, const math::Matrix<3,3> &rotMat, const math::Vector<3> &accel_body, const math::Vector<3> &accel_earth) { // Implement third order complementary filter for height and height rate // estimted height rate = _integ2_state @@ -257,7 +257,7 @@ void TECS::_update_energies(void) _SKEdot = _integ5_state * _vel_dot; } -void TECS::_update_throttle(float throttle_cruise, const math::Dcm &rotMat) +void TECS::_update_throttle(float throttle_cruise, const math::Matrix<3,3> &rotMat) { // Calculate total energy values _STE_error = _SPE_dem - _SPE_est + _SKE_dem - _SKE_est; @@ -468,7 +468,7 @@ void TECS::_update_STE_rate_lim(void) _STEdot_min = - _minSinkRate * CONSTANTS_ONE_G; } -void TECS::update_pitch_throttle(const math::Dcm &rotMat, float pitch, float baro_altitude, float hgt_dem, float EAS_dem, float indicated_airspeed, float EAS2TAS, bool climbOutDem, float ptchMinCO, +void TECS::update_pitch_throttle(const math::Matrix<3,3> &rotMat, float pitch, float baro_altitude, float hgt_dem, float EAS_dem, float indicated_airspeed, float EAS2TAS, bool climbOutDem, float ptchMinCO, float throttle_min, float throttle_max, float throttle_cruise, float pitch_limit_min, float pitch_limit_max) { diff --git a/src/lib/external_lgpl/tecs/tecs.h b/src/lib/external_lgpl/tecs/tecs.h index f8f832ed7..68832a039 100644 --- a/src/lib/external_lgpl/tecs/tecs.h +++ b/src/lib/external_lgpl/tecs/tecs.h @@ -71,10 +71,10 @@ public: // Update of the estimated height and height rate internal state // Update of the inertial speed rate internal state // Should be called at 50Hz or greater - void update_50hz(float baro_altitude, float airspeed, const math::Dcm &rotMat, const math::Vector3 &accel_body, const math::Vector3 &accel_earth); + void update_50hz(float baro_altitude, float airspeed, const math::Matrix<3,3> &rotMat, const math::Vector<3> &accel_body, const math::Vector<3> &accel_earth); // Update the control loop calculations - void update_pitch_throttle(const math::Dcm &rotMat, float pitch, float baro_altitude, float hgt_dem, float EAS_dem, float indicated_airspeed, float EAS2TAS, bool climbOutDem, float ptchMinCO, + void update_pitch_throttle(const math::Matrix<3,3> &rotMat, float pitch, float baro_altitude, float hgt_dem, float EAS_dem, float indicated_airspeed, float EAS2TAS, bool climbOutDem, float ptchMinCO, float throttle_min, float throttle_max, float throttle_cruise, float pitch_limit_min, float pitch_limit_max); // demanded throttle in percentage @@ -338,7 +338,7 @@ private: void _update_energies(void); // Update Demanded Throttle - void _update_throttle(float throttle_cruise, const math::Dcm &rotMat); + void _update_throttle(float throttle_cruise, const math::Matrix<3,3> &rotMat); // Detect Bad Descent void _detect_bad_descent(void); diff --git a/src/lib/mathlib/math/Dcm.cpp b/src/lib/mathlib/math/Dcm.cpp deleted file mode 100644 index 5c15d4d6d..000000000 --- a/src/lib/mathlib/math/Dcm.cpp +++ /dev/null @@ -1,179 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Dcm.cpp - * - * math direction cosine matrix - */ - -#include <mathlib/math/test/test.hpp> - -#include "Dcm.hpp" -#include "Quaternion.hpp" -#include "EulerAngles.hpp" -#include "Vector3.hpp" - -namespace math -{ - -Dcm::Dcm() : - Matrix(Matrix::identity(3)) -{ -} - -Dcm::Dcm(float c00, float c01, float c02, - float c10, float c11, float c12, - float c20, float c21, float c22) : - Matrix(3, 3) -{ - Dcm &dcm = *this; - dcm(0, 0) = c00; - dcm(0, 1) = c01; - dcm(0, 2) = c02; - dcm(1, 0) = c10; - dcm(1, 1) = c11; - dcm(1, 2) = c12; - dcm(2, 0) = c20; - dcm(2, 1) = c21; - dcm(2, 2) = c22; -} - -Dcm::Dcm(const float data[3][3]) : - Matrix(3, 3) -{ - Dcm &dcm = *this; - /* set rotation matrix */ - for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) - dcm(i, j) = data[i][j]; -} - -Dcm::Dcm(const float *data) : - Matrix(3, 3, data) -{ -} - -Dcm::Dcm(const Quaternion &q) : - Matrix(3, 3) -{ - Dcm &dcm = *this; - double a = q.getA(); - double b = q.getB(); - double c = q.getC(); - double d = q.getD(); - double aSq = a * a; - double bSq = b * b; - double cSq = c * c; - double dSq = d * d; - dcm(0, 0) = aSq + bSq - cSq - dSq; - dcm(0, 1) = 2.0 * (b * c - a * d); - dcm(0, 2) = 2.0 * (a * c + b * d); - dcm(1, 0) = 2.0 * (b * c + a * d); - dcm(1, 1) = aSq - bSq + cSq - dSq; - dcm(1, 2) = 2.0 * (c * d - a * b); - dcm(2, 0) = 2.0 * (b * d - a * c); - dcm(2, 1) = 2.0 * (a * b + c * d); - dcm(2, 2) = aSq - bSq - cSq + dSq; -} - -Dcm::Dcm(const EulerAngles &euler) : - Matrix(3, 3) -{ - Dcm &dcm = *this; - double cosPhi = cos(euler.getPhi()); - double sinPhi = sin(euler.getPhi()); - double cosThe = cos(euler.getTheta()); - double sinThe = sin(euler.getTheta()); - double cosPsi = cos(euler.getPsi()); - double sinPsi = sin(euler.getPsi()); - - dcm(0, 0) = cosThe * cosPsi; - dcm(0, 1) = -cosPhi * sinPsi + sinPhi * sinThe * cosPsi; - dcm(0, 2) = sinPhi * sinPsi + cosPhi * sinThe * cosPsi; - - dcm(1, 0) = cosThe * sinPsi; - dcm(1, 1) = cosPhi * cosPsi + sinPhi * sinThe * sinPsi; - dcm(1, 2) = -sinPhi * cosPsi + cosPhi * sinThe * sinPsi; - - dcm(2, 0) = -sinThe; - dcm(2, 1) = sinPhi * cosThe; - dcm(2, 2) = cosPhi * cosThe; -} - -Dcm::Dcm(const Dcm &right) : - Matrix(right) -{ -} - -Dcm::Dcm(const Matrix &right) : - Matrix(right) -{ -} - -Dcm::~Dcm() -{ -} - -int __EXPORT dcmTest() -{ - printf("Test DCM\t\t: "); - // default ctor - ASSERT(matrixEqual(Dcm(), - Matrix::identity(3))); - // quaternion ctor - ASSERT(matrixEqual( - Dcm(Quaternion(0.983347f, 0.034271f, 0.106021f, 0.143572f)), - Dcm(0.9362934f, -0.2750958f, 0.2183507f, - 0.2896295f, 0.9564251f, -0.0369570f, - -0.1986693f, 0.0978434f, 0.9751703f))); - // euler angle ctor - ASSERT(matrixEqual( - Dcm(EulerAngles(0.1f, 0.2f, 0.3f)), - Dcm(0.9362934f, -0.2750958f, 0.2183507f, - 0.2896295f, 0.9564251f, -0.0369570f, - -0.1986693f, 0.0978434f, 0.9751703f))); - // rotations - Vector3 vB(1, 2, 3); - ASSERT(vectorEqual(Vector3(-2.0f, 1.0f, 3.0f), - Dcm(EulerAngles(0.0f, 0.0f, M_PI_2_F))*vB)); - ASSERT(vectorEqual(Vector3(3.0f, 2.0f, -1.0f), - Dcm(EulerAngles(0.0f, M_PI_2_F, 0.0f))*vB)); - ASSERT(vectorEqual(Vector3(1.0f, -3.0f, 2.0f), - Dcm(EulerAngles(M_PI_2_F, 0.0f, 0.0f))*vB)); - ASSERT(vectorEqual(Vector3(3.0f, 2.0f, -1.0f), - Dcm(EulerAngles( - M_PI_2_F, M_PI_2_F, M_PI_2_F))*vB)); - printf("PASS\n"); - return 0; -} -} // namespace math diff --git a/src/lib/mathlib/math/Dcm.hpp b/src/lib/mathlib/math/Dcm.hpp deleted file mode 100644 index 38f697c15..000000000 --- a/src/lib/mathlib/math/Dcm.hpp +++ /dev/null @@ -1,113 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Dcm.hpp - * - * math direction cosine matrix - */ - -//#pragma once - -#include "Vector.hpp" -#include "Matrix.hpp" - -namespace math -{ - -class Quaternion; -class EulerAngles; - -/** - * This is a Tait Bryan, Body 3-2-1 sequence. - * (yaw)-(pitch)-(roll) - * The Dcm transforms a vector in the body frame - * to the navigation frame, typically represented - * as C_nb. C_bn can be obtained through use - * of the transpose() method. - */ -class __EXPORT Dcm : public Matrix -{ -public: - /** - * default ctor - */ - Dcm(); - - /** - * scalar ctor - */ - Dcm(float c00, float c01, float c02, - float c10, float c11, float c12, - float c20, float c21, float c22); - - /** - * data ctor - */ - Dcm(const float *data); - - /** - * array ctor - */ - Dcm(const float data[3][3]); - - /** - * quaternion ctor - */ - Dcm(const Quaternion &q); - - /** - * euler angles ctor - */ - Dcm(const EulerAngles &euler); - - /** - * copy ctor (deep) - */ - Dcm(const Dcm &right); - - /** - * copy ctor (deep) - */ - Dcm(const Matrix &right); - - /** - * dtor - */ - virtual ~Dcm(); -}; - -int __EXPORT dcmTest(); - -} // math - diff --git a/src/lib/mathlib/math/EulerAngles.cpp b/src/lib/mathlib/math/EulerAngles.cpp deleted file mode 100644 index e733d23bb..000000000 --- a/src/lib/mathlib/math/EulerAngles.cpp +++ /dev/null @@ -1,126 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.cpp - * - * math vector - */ - -#include "test/test.hpp" - -#include "EulerAngles.hpp" -#include "Quaternion.hpp" -#include "Dcm.hpp" -#include "Vector3.hpp" - -namespace math -{ - -EulerAngles::EulerAngles() : - Vector(3) -{ - setPhi(0.0f); - setTheta(0.0f); - setPsi(0.0f); -} - -EulerAngles::EulerAngles(float phi, float theta, float psi) : - Vector(3) -{ - setPhi(phi); - setTheta(theta); - setPsi(psi); -} - -EulerAngles::EulerAngles(const Quaternion &q) : - Vector(3) -{ - (*this) = EulerAngles(Dcm(q)); -} - -EulerAngles::EulerAngles(const Dcm &dcm) : - Vector(3) -{ - setTheta(asinf(-dcm(2, 0))); - - if (fabsf(getTheta() - M_PI_2_F) < 1.0e-3f) { - setPhi(0.0f); - setPsi(atan2f(dcm(1, 2) - dcm(0, 1), - dcm(0, 2) + dcm(1, 1)) + getPhi()); - - } else if (fabsf(getTheta() + M_PI_2_F) < 1.0e-3f) { - setPhi(0.0f); - setPsi(atan2f(dcm(1, 2) - dcm(0, 1), - dcm(0, 2) + dcm(1, 1)) - getPhi()); - - } else { - setPhi(atan2f(dcm(2, 1), dcm(2, 2))); - setPsi(atan2f(dcm(1, 0), dcm(0, 0))); - } -} - -EulerAngles::~EulerAngles() -{ -} - -int __EXPORT eulerAnglesTest() -{ - printf("Test EulerAngles\t: "); - EulerAngles euler(0.1f, 0.2f, 0.3f); - - // test ctor - ASSERT(vectorEqual(Vector3(0.1f, 0.2f, 0.3f), euler)); - ASSERT(equal(euler.getPhi(), 0.1f)); - ASSERT(equal(euler.getTheta(), 0.2f)); - ASSERT(equal(euler.getPsi(), 0.3f)); - - // test dcm ctor - euler = Dcm(EulerAngles(0.1f, 0.2f, 0.3f)); - ASSERT(vectorEqual(Vector3(0.1f, 0.2f, 0.3f), euler)); - - // test quat ctor - euler = Quaternion(EulerAngles(0.1f, 0.2f, 0.3f)); - ASSERT(vectorEqual(Vector3(0.1f, 0.2f, 0.3f), euler)); - - // test assignment - euler.setPhi(0.4f); - euler.setTheta(0.5f); - euler.setPsi(0.6f); - ASSERT(vectorEqual(Vector3(0.4f, 0.5f, 0.6f), euler)); - - printf("PASS\n"); - return 0; -} - -} // namespace math diff --git a/src/lib/mathlib/math/EulerAngles.hpp b/src/lib/mathlib/math/EulerAngles.hpp deleted file mode 100644 index 399eecfa7..000000000 --- a/src/lib/mathlib/math/EulerAngles.hpp +++ /dev/null @@ -1,74 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.h - * - * math vector - */ - -#pragma once - -#include "Vector.hpp" - -namespace math -{ - -class Quaternion; -class Dcm; - -class __EXPORT EulerAngles : public Vector -{ -public: - EulerAngles(); - EulerAngles(float phi, float theta, float psi); - EulerAngles(const Quaternion &q); - EulerAngles(const Dcm &dcm); - virtual ~EulerAngles(); - - // alias - void setPhi(float phi) { (*this)(0) = phi; } - void setTheta(float theta) { (*this)(1) = theta; } - void setPsi(float psi) { (*this)(2) = psi; } - - // const accessors - const float &getPhi() const { return (*this)(0); } - const float &getTheta() const { return (*this)(1); } - const float &getPsi() const { return (*this)(2); } - -}; - -int __EXPORT eulerAnglesTest(); - -} // math - diff --git a/src/lib/mathlib/math/Matrix.cpp b/src/lib/mathlib/math/Matrix.cpp deleted file mode 100644 index ebd1aeda3..000000000 --- a/src/lib/mathlib/math/Matrix.cpp +++ /dev/null @@ -1,193 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Matrix.cpp - * - * matrix code - */ - -#include "test/test.hpp" -#include <math.h> - -#include "Matrix.hpp" - -namespace math -{ - -static const float data_testA[] = { - 1, 2, 3, - 4, 5, 6 -}; -static Matrix testA(2, 3, data_testA); - -static const float data_testB[] = { - 0, 1, 3, - 7, -1, 2 -}; -static Matrix testB(2, 3, data_testB); - -static const float data_testC[] = { - 0, 1, - 2, 1, - 3, 2 -}; -static Matrix testC(3, 2, data_testC); - -static const float data_testD[] = { - 0, 1, 2, - 2, 1, 4, - 5, 2, 0 -}; -static Matrix testD(3, 3, data_testD); - -static const float data_testE[] = { - 1, -1, 2, - 0, 2, 3, - 2, -1, 1 -}; -static Matrix testE(3, 3, data_testE); - -static const float data_testF[] = { - 3.777e006f, 2.915e007f, 0.000e000f, - 2.938e007f, 2.267e008f, 0.000e000f, - 0.000e000f, 0.000e000f, 6.033e008f -}; -static Matrix testF(3, 3, data_testF); - -int __EXPORT matrixTest() -{ - matrixAddTest(); - matrixSubTest(); - matrixMultTest(); - matrixInvTest(); - matrixDivTest(); - return 0; -} - -int matrixAddTest() -{ - printf("Test Matrix Add\t\t: "); - Matrix r = testA + testB; - float data_test[] = { - 1.0f, 3.0f, 6.0f, - 11.0f, 4.0f, 8.0f - }; - ASSERT(matrixEqual(Matrix(2, 3, data_test), r)); - printf("PASS\n"); - return 0; -} - -int matrixSubTest() -{ - printf("Test Matrix Sub\t\t: "); - Matrix r = testA - testB; - float data_test[] = { - 1.0f, 1.0f, 0.0f, - -3.0f, 6.0f, 4.0f - }; - ASSERT(matrixEqual(Matrix(2, 3, data_test), r)); - printf("PASS\n"); - return 0; -} - -int matrixMultTest() -{ - printf("Test Matrix Mult\t: "); - Matrix r = testC * testB; - float data_test[] = { - 7.0f, -1.0f, 2.0f, - 7.0f, 1.0f, 8.0f, - 14.0f, 1.0f, 13.0f - }; - ASSERT(matrixEqual(Matrix(3, 3, data_test), r)); - printf("PASS\n"); - return 0; -} - -int matrixInvTest() -{ - printf("Test Matrix Inv\t\t: "); - Matrix origF = testF; - Matrix r = testF.inverse(); - float data_test[] = { - -0.0012518f, 0.0001610f, 0.0000000f, - 0.0001622f, -0.0000209f, 0.0000000f, - 0.0000000f, 0.0000000f, 1.6580e-9f - }; - ASSERT(matrixEqual(Matrix(3, 3, data_test), r)); - // make sure F in unchanged - ASSERT(matrixEqual(origF, testF)); - printf("PASS\n"); - return 0; -} - -int matrixDivTest() -{ - printf("Test Matrix Div\t\t: "); - Matrix r = testD / testE; - float data_test[] = { - 0.2222222f, 0.5555556f, -0.1111111f, - 0.0f, 1.0f, 1.0, - -4.1111111f, 1.2222222f, 4.5555556f - }; - ASSERT(matrixEqual(Matrix(3, 3, data_test), r)); - printf("PASS\n"); - return 0; -} - -bool matrixEqual(const Matrix &a, const Matrix &b, float eps) -{ - if (a.getRows() != b.getRows()) { - printf("row number not equal a: %d, b:%d\n", a.getRows(), b.getRows()); - return false; - - } else if (a.getCols() != b.getCols()) { - printf("column number not equal a: %d, b:%d\n", a.getCols(), b.getCols()); - return false; - } - - bool ret = true; - - for (size_t i = 0; i < a.getRows(); i++) - for (size_t j = 0; j < a.getCols(); j++) { - if (!equal(a(i, j), b(i, j), eps)) { - printf("element mismatch (%d, %d)\n", i, j); - ret = false; - } - } - - return ret; -} - -} // namespace math diff --git a/src/lib/mathlib/math/Matrix.hpp b/src/lib/mathlib/math/Matrix.hpp index f19db15ec..ea0cf4ca1 100644 --- a/src/lib/mathlib/math/Matrix.hpp +++ b/src/lib/mathlib/math/Matrix.hpp @@ -1,6 +1,9 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (C) 2013 PX4 Development Team. All rights reserved. + * Author: Anton Babushkin <anton.babushkin@me.com> + * Pavel Kirienko <pavel.kirienko@gmail.com> + * Lorenz Meier <lm@inf.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -32,30 +35,401 @@ ****************************************************************************/ /** - * @file Matrix.h + * @file Matrix.hpp * - * matrix code + * Matrix class */ -#pragma once +#ifndef MATRIX_HPP +#define MATRIX_HPP -#include <nuttx/config.h> - -#if defined(CONFIG_ARCH_CORTEXM4) && defined(CONFIG_ARCH_FPU) -#include "arm/Matrix.hpp" -#else -#include "generic/Matrix.hpp" -#endif +#include <stdio.h> +#include "../CMSIS/Include/arm_math.h" namespace math { -class Matrix; -int matrixTest(); -int matrixAddTest(); -int matrixSubTest(); -int matrixMultTest(); -int matrixInvTest(); -int matrixDivTest(); -int matrixArmTest(); -bool matrixEqual(const Matrix &a, const Matrix &b, float eps = 1.0e-5f); -} // namespace math + +template <unsigned int M, unsigned int N> +class __EXPORT Matrix; + +// MxN matrix with float elements +template <unsigned int M, unsigned int N> +class __EXPORT MatrixBase +{ +public: + /** + * matrix data[row][col] + */ + float data[M][N]; + + /** + * struct for using arm_math functions + */ + arm_matrix_instance_f32 arm_mat; + + /** + * trivial ctor + * note that this ctor will not initialize elements + */ + MatrixBase() { + arm_mat = {M, N, &data[0][0]}; + } + + /** + * copyt ctor + */ + MatrixBase(const MatrixBase<M, N> &m) { + arm_mat = {M, N, &data[0][0]}; + memcpy(data, m.data, sizeof(data)); + } + + MatrixBase(const float *d) { + arm_mat = {M, N, &data[0][0]}; + memcpy(data, d, sizeof(data)); + } + + MatrixBase(const float d[M][N]) { + arm_mat = {M, N, &data[0][0]}; + memcpy(data, d, sizeof(data)); + } + + /** + * set data + */ + void set(const float *d) { + memcpy(data, d, sizeof(data)); + } + + /** + * set data + */ + void set(const float d[M][N]) { + memcpy(data, d, sizeof(data)); + } + + /** + * access by index + */ + float &operator()(const unsigned int row, const unsigned int col) { + return data[row][col]; + } + + /** + * access by index + */ + float operator()(const unsigned int row, const unsigned int col) const { + return data[row][col]; + } + + /** + * get rows number + */ + unsigned int get_rows() const { + return M; + } + + /** + * get columns number + */ + unsigned int get_cols() const { + return N; + } + + /** + * test for equality + */ + bool operator ==(const Matrix<M, N> &m) const { + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + if (data[i][j] != m.data[i][j]) + return false; + + return true; + } + + /** + * test for inequality + */ + bool operator !=(const Matrix<M, N> &m) const { + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + if (data[i][j] != m.data[i][j]) + return true; + + return false; + } + + /** + * set to value + */ + const Matrix<M, N> &operator =(const Matrix<M, N> &m) { + memcpy(data, m.data, sizeof(data)); + return *static_cast<Matrix<M, N>*>(this); + } + + /** + * negation + */ + Matrix<M, N> operator -(void) const { + Matrix<M, N> res; + + for (unsigned int i = 0; i < N; i++) + for (unsigned int j = 0; j < M; j++) + res.data[i][j] = -data[i][j]; + + return res; + } + + /** + * addition + */ + Matrix<M, N> operator +(const Matrix<M, N> &m) const { + Matrix<M, N> res; + + for (unsigned int i = 0; i < N; i++) + for (unsigned int j = 0; j < M; j++) + res.data[i][j] = data[i][j] + m.data[i][j]; + + return res; + } + + Matrix<M, N> &operator +=(const Matrix<M, N> &m) { + for (unsigned int i = 0; i < N; i++) + for (unsigned int j = 0; j < M; j++) + data[i][j] += m.data[i][j]; + + return *static_cast<Matrix<M, N>*>(this); + } + + /** + * subtraction + */ + Matrix<M, N> operator -(const Matrix<M, N> &m) const { + Matrix<M, N> res; + + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + res.data[i][j] = data[i][j] - m.data[i][j]; + + return res; + } + + Matrix<M, N> &operator -=(const Matrix<M, N> &m) { + for (unsigned int i = 0; i < N; i++) + for (unsigned int j = 0; j < M; j++) + data[i][j] -= m.data[i][j]; + + return *static_cast<Matrix<M, N>*>(this); + } + + /** + * uniform scaling + */ + Matrix<M, N> operator *(const float num) const { + Matrix<M, N> res; + + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + res.data[i][j] = data[i][j] * num; + + return res; + } + + Matrix<M, N> &operator *=(const float num) { + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + data[i][j] *= num; + + return *static_cast<Matrix<M, N>*>(this); + } + + Matrix<M, N> operator /(const float num) const { + Matrix<M, N> res; + + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + res[i][j] = data[i][j] / num; + + return res; + } + + Matrix<M, N> &operator /=(const float num) { + for (unsigned int i = 0; i < M; i++) + for (unsigned int j = 0; j < N; j++) + data[i][j] /= num; + + return *static_cast<Matrix<M, N>*>(this); + } + + /** + * multiplication by another matrix + */ + template <unsigned int P> + Matrix<M, P> operator *(const Matrix<N, P> &m) const { + Matrix<M, P> res; + arm_mat_mult_f32(&arm_mat, &m.arm_mat, &res.arm_mat); + return res; + } + + /** + * transpose the matrix + */ + Matrix<N, M> transposed(void) const { + Matrix<N, M> res; + arm_mat_trans_f32(&this->arm_mat, &res.arm_mat); + return res; + } + + /** + * invert the matrix + */ + Matrix<M, N> inversed(void) const { + Matrix<M, N> res; + arm_mat_inverse_f32(&this->arm_mat, &res.arm_mat); + return res; + } + + /** + * set zero matrix + */ + void zero(void) { + memset(data, 0, sizeof(data)); + } + + /** + * set identity matrix + */ + void identity(void) { + memset(data, 0, sizeof(data)); + unsigned int n = (M < N) ? M : N; + + for (unsigned int i = 0; i < n; i++) + data[i][i] = 1; + } + + void print(void) { + for (unsigned int i = 0; i < M; i++) { + printf("[ "); + + for (unsigned int j = 0; j < N; j++) + printf("%.3f\t", data[i][j]); + + printf(" ]\n"); + } + } +}; + +template <unsigned int M, unsigned int N> +class __EXPORT Matrix : public MatrixBase<M, N> +{ +public: + using MatrixBase<M, N>::operator *; + + Matrix() : MatrixBase<M, N>() {} + + Matrix(const Matrix<M, N> &m) : MatrixBase<M, N>(m) {} + + Matrix(const float *d) : MatrixBase<M, N>(d) {} + + Matrix(const float d[M][N]) : MatrixBase<M, N>(d) {} + + /** + * set to value + */ + const Matrix<M, N> &operator =(const Matrix<M, N> &m) { + memcpy(this->data, m.data, sizeof(this->data)); + return *this; + } + + /** + * multiplication by a vector + */ + Vector<M> operator *(const Vector<N> &v) const { + Vector<M> res; + arm_mat_mult_f32(&this->arm_mat, &v.arm_col, &res.arm_col); + return res; + } +}; + +template <> +class __EXPORT Matrix<3, 3> : public MatrixBase<3, 3> +{ +public: + using MatrixBase<3, 3>::operator *; + + Matrix() : MatrixBase<3, 3>() {} + + Matrix(const Matrix<3, 3> &m) : MatrixBase<3, 3>(m) {} + + Matrix(const float *d) : MatrixBase<3, 3>(d) {} + + Matrix(const float d[3][3]) : MatrixBase<3, 3>(d) {} + + /** + * set to value + */ + const Matrix<3, 3> &operator =(const Matrix<3, 3> &m) { + memcpy(this->data, m.data, sizeof(this->data)); + return *this; + } + + /** + * multiplication by a vector + */ + Vector<3> operator *(const Vector<3> &v) const { + Vector<3> res(data[0][0] * v.data[0] + data[0][1] * v.data[1] + data[0][2] * v.data[2], + data[1][0] * v.data[0] + data[1][1] * v.data[1] + data[1][2] * v.data[2], + data[2][0] * v.data[0] + data[2][1] * v.data[1] + data[2][2] * v.data[2]); + return res; + } + + /** + * create a rotation matrix from given euler angles + * based on http://gentlenav.googlecode.com/files/EulerAngles.pdf + */ + void from_euler(float roll, float pitch, float yaw) { + float cp = cosf(pitch); + float sp = sinf(pitch); + float sr = sinf(roll); + float cr = cosf(roll); + float sy = sinf(yaw); + float cy = cosf(yaw); + + data[0][0] = cp * cy; + data[0][1] = (sr * sp * cy) - (cr * sy); + data[0][2] = (cr * sp * cy) + (sr * sy); + data[1][0] = cp * sy; + data[1][1] = (sr * sp * sy) + (cr * cy); + data[1][2] = (cr * sp * sy) - (sr * cy); + data[2][0] = -sp; + data[2][1] = sr * cp; + data[2][2] = cr * cp; + } + + /** + * get euler angles from rotation matrix + */ + Vector<3> to_euler(void) const { + Vector<3> euler; + euler.data[1] = asinf(-data[2][0]); + + if (fabsf(euler.data[1] - M_PI_2_F) < 1.0e-3f) { + euler.data[0] = 0.0f; + euler.data[2] = atan2f(data[1][2] - data[0][1], data[0][2] + data[1][1]) + euler.data[0]; + + } else if (fabsf(euler.data[1] + M_PI_2_F) < 1.0e-3f) { + euler.data[0] = 0.0f; + euler.data[2] = atan2f(data[1][2] - data[0][1], data[0][2] + data[1][1]) - euler.data[0]; + + } else { + euler.data[0] = atan2f(data[2][1], data[2][2]); + euler.data[2] = atan2f(data[1][0], data[0][0]); + } + + return euler; + } +}; + +} + +#endif // MATRIX_HPP diff --git a/src/lib/mathlib/math/Quaternion.cpp b/src/lib/mathlib/math/Quaternion.cpp deleted file mode 100644 index 02fec4ca6..000000000 --- a/src/lib/mathlib/math/Quaternion.cpp +++ /dev/null @@ -1,174 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Quaternion.cpp - * - * math vector - */ - -#include "test/test.hpp" - - -#include "Quaternion.hpp" -#include "Dcm.hpp" -#include "EulerAngles.hpp" - -namespace math -{ - -Quaternion::Quaternion() : - Vector(4) -{ - setA(1.0f); - setB(0.0f); - setC(0.0f); - setD(0.0f); -} - -Quaternion::Quaternion(float a, float b, - float c, float d) : - Vector(4) -{ - setA(a); - setB(b); - setC(c); - setD(d); -} - -Quaternion::Quaternion(const float *data) : - Vector(4, data) -{ -} - -Quaternion::Quaternion(const Vector &v) : - Vector(v) -{ -} - -Quaternion::Quaternion(const Dcm &dcm) : - Vector(4) -{ - // avoiding singularities by not using - // division equations - setA(0.5 * sqrt(1.0 + - double(dcm(0, 0) + dcm(1, 1) + dcm(2, 2)))); - setB(0.5 * sqrt(1.0 + - double(dcm(0, 0) - dcm(1, 1) - dcm(2, 2)))); - setC(0.5 * sqrt(1.0 + - double(-dcm(0, 0) + dcm(1, 1) - dcm(2, 2)))); - setD(0.5 * sqrt(1.0 + - double(-dcm(0, 0) - dcm(1, 1) + dcm(2, 2)))); -} - -Quaternion::Quaternion(const EulerAngles &euler) : - Vector(4) -{ - double cosPhi_2 = cos(double(euler.getPhi()) / 2.0); - double sinPhi_2 = sin(double(euler.getPhi()) / 2.0); - double cosTheta_2 = cos(double(euler.getTheta()) / 2.0); - double sinTheta_2 = sin(double(euler.getTheta()) / 2.0); - double cosPsi_2 = cos(double(euler.getPsi()) / 2.0); - double sinPsi_2 = sin(double(euler.getPsi()) / 2.0); - setA(cosPhi_2 * cosTheta_2 * cosPsi_2 + - sinPhi_2 * sinTheta_2 * sinPsi_2); - setB(sinPhi_2 * cosTheta_2 * cosPsi_2 - - cosPhi_2 * sinTheta_2 * sinPsi_2); - setC(cosPhi_2 * sinTheta_2 * cosPsi_2 + - sinPhi_2 * cosTheta_2 * sinPsi_2); - setD(cosPhi_2 * cosTheta_2 * sinPsi_2 - - sinPhi_2 * sinTheta_2 * cosPsi_2); -} - -Quaternion::Quaternion(const Quaternion &right) : - Vector(right) -{ -} - -Quaternion::~Quaternion() -{ -} - -Vector Quaternion::derivative(const Vector &w) -{ -#ifdef QUATERNION_ASSERT - ASSERT(w.getRows() == 3); -#endif - float dataQ[] = { - getA(), -getB(), -getC(), -getD(), - getB(), getA(), -getD(), getC(), - getC(), getD(), getA(), -getB(), - getD(), -getC(), getB(), getA() - }; - Vector v(4); - v(0) = 0.0f; - v(1) = w(0); - v(2) = w(1); - v(3) = w(2); - Matrix Q(4, 4, dataQ); - return Q * v * 0.5f; -} - -int __EXPORT quaternionTest() -{ - printf("Test Quaternion\t\t: "); - // test default ctor - Quaternion q; - ASSERT(equal(q.getA(), 1.0f)); - ASSERT(equal(q.getB(), 0.0f)); - ASSERT(equal(q.getC(), 0.0f)); - ASSERT(equal(q.getD(), 0.0f)); - // test float ctor - q = Quaternion(0.1825742f, 0.3651484f, 0.5477226f, 0.7302967f); - ASSERT(equal(q.getA(), 0.1825742f)); - ASSERT(equal(q.getB(), 0.3651484f)); - ASSERT(equal(q.getC(), 0.5477226f)); - ASSERT(equal(q.getD(), 0.7302967f)); - // test euler ctor - q = Quaternion(EulerAngles(0.1f, 0.2f, 0.3f)); - ASSERT(vectorEqual(q, Quaternion(0.983347f, 0.034271f, 0.106021f, 0.143572f))); - // test dcm ctor - q = Quaternion(Dcm()); - ASSERT(vectorEqual(q, Quaternion(1.0f, 0.0f, 0.0f, 0.0f))); - // TODO test derivative - // test accessors - q.setA(0.1f); - q.setB(0.2f); - q.setC(0.3f); - q.setD(0.4f); - ASSERT(vectorEqual(q, Quaternion(0.1f, 0.2f, 0.3f, 0.4f))); - printf("PASS\n"); - return 0; -} - -} // namespace math diff --git a/src/lib/mathlib/math/Quaternion.hpp b/src/lib/mathlib/math/Quaternion.hpp index 048a55d33..21d05c7ef 100644 --- a/src/lib/mathlib/math/Quaternion.hpp +++ b/src/lib/mathlib/math/Quaternion.hpp @@ -1,6 +1,9 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (C) 2013 PX4 Development Team. All rights reserved. + * Author: Anton Babushkin <anton.babushkin@me.com> + * Pavel Kirienko <pavel.kirienko@gmail.com> + * Lorenz Meier <lm@inf.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -34,82 +37,129 @@ /** * @file Quaternion.hpp * - * math quaternion lib + * Quaternion class */ -#pragma once +#ifndef QUATERNION_HPP +#define QUATERNION_HPP +#include <math.h> +#include "../CMSIS/Include/arm_math.h" #include "Vector.hpp" #include "Matrix.hpp" namespace math { -class Dcm; -class EulerAngles; - -class __EXPORT Quaternion : public Vector +class __EXPORT Quaternion : public Vector<4> { public: - /** - * default ctor + * trivial ctor */ - Quaternion(); + Quaternion() : Vector<4>() {} /** - * ctor from floats + * copy ctor */ - Quaternion(float a, float b, float c, float d); + Quaternion(const Quaternion &q) : Vector<4>(q) {} /** - * ctor from data + * casting from vector */ - Quaternion(const float *data); + Quaternion(const Vector<4> &v) : Vector<4>(v) {} /** - * ctor from Vector + * setting ctor */ - Quaternion(const Vector &v); + Quaternion(const float d[4]) : Vector<4>(d) {} /** - * ctor from EulerAngles + * setting ctor */ - Quaternion(const EulerAngles &euler); + Quaternion(const float a0, const float b0, const float c0, const float d0): Vector<4>(a0, b0, c0, d0) {} + + using Vector<4>::operator *; /** - * ctor from Dcm + * multiplication */ - Quaternion(const Dcm &dcm); + const Quaternion operator *(const Quaternion &q) const { + return Quaternion( + data[0] * q.data[0] - data[1] * q.data[1] - data[2] * q.data[2] - data[3] * q.data[3], + data[0] * q.data[1] + data[1] * q.data[0] + data[2] * q.data[3] - data[3] * q.data[2], + data[0] * q.data[2] - data[1] * q.data[3] + data[2] * q.data[0] + data[3] * q.data[1], + data[0] * q.data[3] + data[1] * q.data[2] - data[2] * q.data[1] + data[3] * q.data[0]); + } /** - * deep copy ctor + * derivative */ - Quaternion(const Quaternion &right); + const Quaternion derivative(const Vector<3> &w) { + float dataQ[] = { + data[0], -data[1], -data[2], -data[3], + data[1], data[0], -data[3], data[2], + data[2], data[3], data[0], -data[1], + data[3], -data[2], data[1], data[0] + }; + Matrix<4, 4> Q(dataQ); + Vector<4> v(0.0f, w.data[0], w.data[1], w.data[2]); + return Q * v * 0.5f; + } /** - * dtor + * imaginary part of quaternion */ - virtual ~Quaternion(); + Vector<3> imag(void) { + return Vector<3>(&data[1]); + } /** - * derivative + * set quaternion to rotation defined by euler angles */ - Vector derivative(const Vector &w); + void from_euler(float roll, float pitch, float yaw) { + double cosPhi_2 = cos(double(roll) / 2.0); + double sinPhi_2 = sin(double(roll) / 2.0); + double cosTheta_2 = cos(double(pitch) / 2.0); + double sinTheta_2 = sin(double(pitch) / 2.0); + double cosPsi_2 = cos(double(yaw) / 2.0); + double sinPsi_2 = sin(double(yaw) / 2.0); + data[0] = cosPhi_2 * cosTheta_2 * cosPsi_2 + sinPhi_2 * sinTheta_2 * sinPsi_2; + data[1] = sinPhi_2 * cosTheta_2 * cosPsi_2 - cosPhi_2 * sinTheta_2 * sinPsi_2; + data[2] = cosPhi_2 * sinTheta_2 * cosPsi_2 + sinPhi_2 * cosTheta_2 * sinPsi_2; + data[3] = cosPhi_2 * cosTheta_2 * sinPsi_2 - sinPhi_2 * sinTheta_2 * cosPsi_2; + } + + void from_dcm(const Matrix<3, 3> &m) { + // avoiding singularities by not using division equations + data[0] = 0.5f * sqrtf(1.0f + m.data[0][0] + m.data[1][1] + m.data[2][2]); + data[1] = 0.5f * sqrtf(1.0f + m.data[0][0] - m.data[1][1] - m.data[2][2]); + data[2] = 0.5f * sqrtf(1.0f - m.data[0][0] + m.data[1][1] - m.data[2][2]); + data[3] = 0.5f * sqrtf(1.0f - m.data[0][0] - m.data[1][1] + m.data[2][2]); + } /** - * accessors + * create rotation matrix for the quaternion */ - void setA(float a) { (*this)(0) = a; } - void setB(float b) { (*this)(1) = b; } - void setC(float c) { (*this)(2) = c; } - void setD(float d) { (*this)(3) = d; } - const float &getA() const { return (*this)(0); } - const float &getB() const { return (*this)(1); } - const float &getC() const { return (*this)(2); } - const float &getD() const { return (*this)(3); } + Matrix<3, 3> to_dcm(void) const { + Matrix<3, 3> R; + float aSq = data[0] * data[0]; + float bSq = data[1] * data[1]; + float cSq = data[2] * data[2]; + float dSq = data[3] * data[3]; + R.data[0][0] = aSq + bSq - cSq - dSq; + R.data[0][1] = 2.0f * (data[1] * data[2] - data[0] * data[3]); + R.data[0][2] = 2.0f * (data[0] * data[2] + data[1] * data[3]); + R.data[1][0] = 2.0f * (data[1] * data[2] + data[0] * data[3]); + R.data[1][1] = aSq - bSq + cSq - dSq; + R.data[1][2] = 2.0f * (data[2] * data[3] - data[0] * data[1]); + R.data[2][0] = 2.0f * (data[1] * data[3] - data[0] * data[2]); + R.data[2][1] = 2.0f * (data[0] * data[1] + data[2] * data[3]); + R.data[2][2] = aSq - bSq - cSq + dSq; + return R; + } }; -int __EXPORT quaternionTest(); -} // math +} +#endif // QUATERNION_HPP diff --git a/src/lib/mathlib/math/Vector.cpp b/src/lib/mathlib/math/Vector.cpp deleted file mode 100644 index 35158a396..000000000 --- a/src/lib/mathlib/math/Vector.cpp +++ /dev/null @@ -1,100 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.cpp - * - * math vector - */ - -#include "test/test.hpp" - -#include "Vector.hpp" - -namespace math -{ - -static const float data_testA[] = {1, 3}; -static const float data_testB[] = {4, 1}; - -static Vector testA(2, data_testA); -static Vector testB(2, data_testB); - -int __EXPORT vectorTest() -{ - vectorAddTest(); - vectorSubTest(); - return 0; -} - -int vectorAddTest() -{ - printf("Test Vector Add\t\t: "); - Vector r = testA + testB; - float data_test[] = {5.0f, 4.0f}; - ASSERT(vectorEqual(Vector(2, data_test), r)); - printf("PASS\n"); - return 0; -} - -int vectorSubTest() -{ - printf("Test Vector Sub\t\t: "); - Vector r(2); - r = testA - testB; - float data_test[] = { -3.0f, 2.0f}; - ASSERT(vectorEqual(Vector(2, data_test), r)); - printf("PASS\n"); - return 0; -} - -bool vectorEqual(const Vector &a, const Vector &b, float eps) -{ - if (a.getRows() != b.getRows()) { - printf("row number not equal a: %d, b:%d\n", a.getRows(), b.getRows()); - return false; - } - - bool ret = true; - - for (size_t i = 0; i < a.getRows(); i++) { - if (!equal(a(i), b(i), eps)) { - printf("element mismatch (%d)\n", i); - ret = false; - } - } - - return ret; -} - -} // namespace math diff --git a/src/lib/mathlib/math/Vector.hpp b/src/lib/mathlib/math/Vector.hpp index 73de793d5..b7840170c 100644 --- a/src/lib/mathlib/math/Vector.hpp +++ b/src/lib/mathlib/math/Vector.hpp @@ -1,6 +1,9 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (C) 2013 PX4 Development Team. All rights reserved. + * Author: Anton Babushkin <anton.babushkin@me.com> + * Pavel Kirienko <pavel.kirienko@gmail.com> + * Lorenz Meier <lm@inf.ethz.ch> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -32,26 +35,442 @@ ****************************************************************************/ /** - * @file Vector.h + * @file Vector.hpp * - * math vector + * Vector class */ -#pragma once +#ifndef VECTOR_HPP +#define VECTOR_HPP -#include <nuttx/config.h> - -#if defined(CONFIG_ARCH_CORTEXM4) && defined(CONFIG_ARCH_FPU) -#include "arm/Vector.hpp" -#else -#include "generic/Vector.hpp" -#endif +#include <stdio.h> +#include <math.h> +#include "../CMSIS/Include/arm_math.h" namespace math { -class Vector; -int __EXPORT vectorTest(); -int __EXPORT vectorAddTest(); -int __EXPORT vectorSubTest(); -bool vectorEqual(const Vector &a, const Vector &b, float eps = 1.0e-5f); -} // math + +template <unsigned int N> +class __EXPORT Vector; + +template <unsigned int N> +class __EXPORT VectorBase +{ +public: + /** + * vector data + */ + float data[N]; + + /** + * struct for using arm_math functions, represents column vector + */ + arm_matrix_instance_f32 arm_col; + + /** + * trivial ctor + * note that this ctor will not initialize elements + */ + VectorBase() { + arm_col = {N, 1, &data[0]}; + } + + /** + * copy ctor + */ + VectorBase(const VectorBase<N> &v) { + arm_col = {N, 1, &data[0]}; + memcpy(data, v.data, sizeof(data)); + } + + /** + * setting ctor + */ + VectorBase(const float d[N]) { + arm_col = {N, 1, &data[0]}; + memcpy(data, d, sizeof(data)); + } + + /** + * set data + */ + void set(const float d[N]) { + memcpy(data, d, sizeof(data)); + } + + /** + * access to elements by index + */ + float &operator()(const unsigned int i) { + return data[i]; + } + + /** + * access to elements by index + */ + float operator()(const unsigned int i) const { + return data[i]; + } + + /** + * get vector size + */ + unsigned int get_size() const { + return N; + } + + /** + * test for equality + */ + bool operator ==(const Vector<N> &v) const { + for (unsigned int i = 0; i < N; i++) + if (data[i] != v.data[i]) + return false; + + return true; + } + + /** + * test for inequality + */ + bool operator !=(const Vector<N> &v) const { + for (unsigned int i = 0; i < N; i++) + if (data[i] != v.data[i]) + return true; + + return false; + } + + /** + * set to value + */ + const Vector<N> &operator =(const Vector<N> &v) { + memcpy(data, v.data, sizeof(data)); + return *static_cast<const Vector<N>*>(this); + } + + /** + * negation + */ + const Vector<N> operator -(void) const { + Vector<N> res; + + for (unsigned int i = 0; i < N; i++) + res.data[i] = -data[i]; + + return res; + } + + /** + * addition + */ + const Vector<N> operator +(const Vector<N> &v) const { + Vector<N> res; + + for (unsigned int i = 0; i < N; i++) + res.data[i] = data[i] + v.data[i]; + + return res; + } + + /** + * subtraction + */ + const Vector<N> operator -(const Vector<N> &v) const { + Vector<N> res; + + for (unsigned int i = 0; i < N; i++) + res.data[i] = data[i] - v.data[i]; + + return res; + } + + /** + * uniform scaling + */ + const Vector<N> operator *(const float num) const { + Vector<N> res; + + for (unsigned int i = 0; i < N; i++) + res.data[i] = data[i] * num; + + return res; + } + + /** + * uniform scaling + */ + const Vector<N> operator /(const float num) const { + Vector<N> res; + + for (unsigned int i = 0; i < N; i++) + res.data[i] = data[i] / num; + + return res; + } + + /** + * addition + */ + const Vector<N> &operator +=(const Vector<N> &v) { + for (unsigned int i = 0; i < N; i++) + data[i] += v.data[i]; + + return *static_cast<const Vector<N>*>(this); + } + + /** + * subtraction + */ + const Vector<N> &operator -=(const Vector<N> &v) { + for (unsigned int i = 0; i < N; i++) + data[i] -= v.data[i]; + + return *static_cast<const Vector<N>*>(this); + } + + /** + * uniform scaling + */ + const Vector<N> &operator *=(const float num) { + for (unsigned int i = 0; i < N; i++) + data[i] *= num; + + return *static_cast<const Vector<N>*>(this); + } + + /** + * uniform scaling + */ + const Vector<N> &operator /=(const float num) { + for (unsigned int i = 0; i < N; i++) + data[i] /= num; + + return *static_cast<const Vector<N>*>(this); + } + + /** + * dot product + */ + float operator *(const Vector<N> &v) const { + float res = 0.0f; + + for (unsigned int i = 0; i < N; i++) + res += data[i] * v.data[i]; + + return res; + } + + /** + * gets the length of this vector squared + */ + float length_squared() const { + float res = 0.0f; + + for (unsigned int i = 0; i < N; i++) + res += data[i] * data[i]; + + return res; + } + + /** + * gets the length of this vector + */ + float length() const { + float res = 0.0f; + + for (unsigned int i = 0; i < N; i++) + res += data[i] * data[i]; + + return sqrtf(res); + } + + /** + * normalizes this vector + */ + void normalize() { + *this /= length(); + } + + /** + * returns the normalized version of this vector + */ + Vector<N> normalized() const { + return *this / length(); + } + + /** + * set zero vector + */ + void zero(void) { + memset(data, 0, sizeof(data)); + } + + void print(void) { + printf("[ "); + + for (unsigned int i = 0; i < N; i++) + printf("%.3f\t", data[i]); + + printf("]\n"); + } +}; + +template <unsigned int N> +class __EXPORT Vector : public VectorBase<N> +{ +public: + Vector() : VectorBase<N>() {} + + Vector(const Vector<N> &v) : VectorBase<N>(v) {} + + Vector(const float d[N]) : VectorBase<N>(d) {} + + /** + * set to value + */ + const Vector<N> &operator =(const Vector<N> &v) { + memcpy(this->data, v.data, sizeof(this->data)); + return *this; + } +}; + +template <> +class __EXPORT Vector<2> : public VectorBase<2> +{ +public: + Vector() : VectorBase<2>() {} + + // simple copy is 1.6 times faster than memcpy + Vector(const Vector<2> &v) : VectorBase<2>() { + data[0] = v.data[0]; + data[1] = v.data[1]; + } + + Vector(const float d[2]) : VectorBase<2>() { + data[0] = d[0]; + data[1] = d[1]; + } + + Vector(const float x, const float y) : VectorBase<2>() { + data[0] = x; + data[1] = y; + } + + /** + * set data + */ + void set(const float d[2]) { + data[0] = d[0]; + data[1] = d[1]; + } + + /** + * set to value + */ + const Vector<2> &operator =(const Vector<2> &v) { + data[0] = v.data[0]; + data[1] = v.data[1]; + return *this; + } + + float operator %(const Vector<2> &v) const { + return data[0] * v.data[1] - data[1] * v.data[0]; + } +}; + +template <> +class __EXPORT Vector<3> : public VectorBase<3> +{ +public: + Vector() : VectorBase<3>() {} + + // simple copy is 1.6 times faster than memcpy + Vector(const Vector<3> &v) : VectorBase<3>() { + for (unsigned int i = 0; i < 3; i++) + data[i] = v.data[i]; + } + + Vector(const float d[3]) : VectorBase<3>() { + for (unsigned int i = 0; i < 3; i++) + data[i] = d[i]; + } + + Vector(const float x, const float y, const float z) : VectorBase<3>() { + data[0] = x; + data[1] = y; + data[2] = z; + } + + /** + * set data + */ + void set(const float d[3]) { + for (unsigned int i = 0; i < 3; i++) + data[i] = d[i]; + } + + /** + * set to value + */ + const Vector<3> &operator =(const Vector<3> &v) { + for (unsigned int i = 0; i < 3; i++) + data[i] = v.data[i]; + + return *this; + } + + Vector<3> operator %(const Vector<3> &v) const { + return Vector<3>( + data[1] * v.data[2] - data[2] * v.data[1], + data[2] * v.data[0] - data[0] * v.data[2], + data[0] * v.data[1] - data[1] * v.data[0] + ); + } +}; + +template <> +class __EXPORT Vector<4> : public VectorBase<4> +{ +public: + Vector() : VectorBase() {} + + Vector(const Vector<4> &v) : VectorBase<4>() { + for (unsigned int i = 0; i < 4; i++) + data[i] = v.data[i]; + } + + Vector(const float d[4]) : VectorBase<4>() { + for (unsigned int i = 0; i < 4; i++) + data[i] = d[i]; + } + + Vector(const float x0, const float x1, const float x2, const float x3) : VectorBase() { + data[0] = x0; + data[1] = x1; + data[2] = x2; + data[3] = x3; + } + + /** + * set data + */ + void set(const float d[4]) { + for (unsigned int i = 0; i < 4; i++) + data[i] = d[i]; + } + + /** + * set to value + */ + const Vector<4> &operator =(const Vector<4> &v) { + for (unsigned int i = 0; i < 4; i++) + data[i] = v.data[i]; + + return *this; + } +}; + +} + +#endif // VECTOR_HPP diff --git a/src/lib/mathlib/math/Vector2f.cpp b/src/lib/mathlib/math/Vector2f.cpp deleted file mode 100644 index 68e741817..000000000 --- a/src/lib/mathlib/math/Vector2f.cpp +++ /dev/null @@ -1,103 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector2f.cpp - * - * math vector - */ - -#include "test/test.hpp" - -#include "Vector2f.hpp" - -namespace math -{ - -Vector2f::Vector2f() : - Vector(2) -{ -} - -Vector2f::Vector2f(const Vector &right) : - Vector(right) -{ -#ifdef VECTOR_ASSERT - ASSERT(right.getRows() == 2); -#endif -} - -Vector2f::Vector2f(float x, float y) : - Vector(2) -{ - setX(x); - setY(y); -} - -Vector2f::Vector2f(const float *data) : - Vector(2, data) -{ -} - -Vector2f::~Vector2f() -{ -} - -float Vector2f::cross(const Vector2f &b) const -{ - const Vector2f &a = *this; - return a(0)*b(1) - a(1)*b(0); -} - -float Vector2f::operator %(const Vector2f &v) const -{ - return cross(v); -} - -float Vector2f::operator *(const Vector2f &v) const -{ - return dot(v); -} - -int __EXPORT vector2fTest() -{ - printf("Test Vector2f\t\t: "); - // test float ctor - Vector2f v(1, 2); - ASSERT(equal(v(0), 1)); - ASSERT(equal(v(1), 2)); - printf("PASS\n"); - return 0; -} - -} // namespace math diff --git a/src/lib/mathlib/math/Vector2f.hpp b/src/lib/mathlib/math/Vector2f.hpp deleted file mode 100644 index ecd62e81c..000000000 --- a/src/lib/mathlib/math/Vector2f.hpp +++ /dev/null @@ -1,79 +0,0 @@ -/**************************************************************************** - * - * Copyright (c) 2013 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector2f.hpp - * - * math 3 vector - */ - -#pragma once - -#include "Vector.hpp" - -namespace math -{ - -class __EXPORT Vector2f : - public Vector -{ -public: - Vector2f(); - Vector2f(const Vector &right); - Vector2f(float x, float y); - Vector2f(const float *data); - virtual ~Vector2f(); - float cross(const Vector2f &b) const; - float operator %(const Vector2f &v) const; - float operator *(const Vector2f &v) const; - inline Vector2f operator*(const float &right) const { - return Vector::operator*(right); - } - - /** - * accessors - */ - void setX(float x) { (*this)(0) = x; } - void setY(float y) { (*this)(1) = y; } - const float &getX() const { return (*this)(0); } - const float &getY() const { return (*this)(1); } -}; - -class __EXPORT Vector2 : - public Vector2f -{ -}; - -int __EXPORT vector2fTest(); -} // math - diff --git a/src/lib/mathlib/math/Vector3.cpp b/src/lib/mathlib/math/Vector3.cpp deleted file mode 100644 index 3936650c6..000000000 --- a/src/lib/mathlib/math/Vector3.cpp +++ /dev/null @@ -1,109 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector3.cpp - * - * math vector - */ - -#include "test/test.hpp" - -#include "Vector3.hpp" - -namespace math -{ - -Vector3::Vector3() : - Vector(3) -{ -} - -Vector3::Vector3(const Vector &right) : - Vector(right) -{ -#ifdef VECTOR_ASSERT - ASSERT(right.getRows() == 3); -#endif -} - -Vector3::Vector3(float x, float y, float z) : - Vector(3) -{ - setX(x); - setY(y); - setZ(z); -} - -Vector3::Vector3(const float *data) : - Vector(3, data) -{ -} - -Vector3::~Vector3() -{ -} - -Vector3 Vector3::cross(const Vector3 &b) const -{ - const Vector3 &a = *this; - Vector3 result; - result(0) = a(1) * b(2) - a(2) * b(1); - result(1) = a(2) * b(0) - a(0) * b(2); - result(2) = a(0) * b(1) - a(1) * b(0); - return result; -} - -Vector3 Vector3::operator %(const Vector3 &v) const -{ - return cross(v); -} - -float Vector3::operator *(const Vector3 &v) const -{ - return dot(v); -} - -int __EXPORT vector3Test() -{ - printf("Test Vector3\t\t: "); - // test float ctor - Vector3 v(1, 2, 3); - ASSERT(equal(v(0), 1)); - ASSERT(equal(v(1), 2)); - ASSERT(equal(v(2), 3)); - printf("PASS\n"); - return 0; -} - -} // namespace math diff --git a/src/lib/mathlib/math/Vector3.hpp b/src/lib/mathlib/math/Vector3.hpp deleted file mode 100644 index 1656e184e..000000000 --- a/src/lib/mathlib/math/Vector3.hpp +++ /dev/null @@ -1,79 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector3.hpp - * - * math 3 vector - */ - -#pragma once - -#include "Vector.hpp" - -namespace math -{ - -class __EXPORT Vector3 : - public Vector -{ -public: - Vector3(); - Vector3(const Vector &right); - Vector3(float x, float y, float z); - Vector3(const float *data); - virtual ~Vector3(); - Vector3 cross(const Vector3 &b) const; - Vector3 operator %(const Vector3 &v) const; - float operator *(const Vector3 &v) const; - using Vector::operator *; - - /** - * accessors - */ - void setX(float x) { (*this)(0) = x; } - void setY(float y) { (*this)(1) = y; } - void setZ(float z) { (*this)(2) = z; } - const float &getX() const { return (*this)(0); } - const float &getY() const { return (*this)(1); } - const float &getZ() const { return (*this)(2); } -}; - -class __EXPORT Vector3f : - public Vector3 -{ -}; - -int __EXPORT vector3Test(); -} // math - diff --git a/src/lib/mathlib/math/arm/Matrix.cpp b/src/lib/mathlib/math/arm/Matrix.cpp deleted file mode 100644 index 21661622a..000000000 --- a/src/lib/mathlib/math/arm/Matrix.cpp +++ /dev/null @@ -1,40 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Matrix.cpp - * - * matrix code - */ - -#include "Matrix.hpp" diff --git a/src/lib/mathlib/math/arm/Matrix.hpp b/src/lib/mathlib/math/arm/Matrix.hpp deleted file mode 100644 index 1945bb02d..000000000 --- a/src/lib/mathlib/math/arm/Matrix.hpp +++ /dev/null @@ -1,292 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Matrix.h - * - * matrix code - */ - -#pragma once - - -#include <inttypes.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <math.h> - -#include "../Vector.hpp" -#include "../Matrix.hpp" - -// arm specific -#include "../../CMSIS/Include/arm_math.h" - -namespace math -{ - -class __EXPORT Matrix -{ -public: - // constructor - Matrix(size_t rows, size_t cols) : - _matrix() { - arm_mat_init_f32(&_matrix, - rows, cols, - (float *)calloc(rows * cols, sizeof(float))); - } - Matrix(size_t rows, size_t cols, const float *data) : - _matrix() { - arm_mat_init_f32(&_matrix, - rows, cols, - (float *)malloc(rows * cols * sizeof(float))); - memcpy(getData(), data, getSize()); - } - // deconstructor - virtual ~Matrix() { - delete [] _matrix.pData; - } - // copy constructor (deep) - Matrix(const Matrix &right) : - _matrix() { - arm_mat_init_f32(&_matrix, - right.getRows(), right.getCols(), - (float *)malloc(right.getRows()* - right.getCols()*sizeof(float))); - memcpy(getData(), right.getData(), - getSize()); - } - // assignment - inline Matrix &operator=(const Matrix &right) { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - - if (this != &right) { - memcpy(getData(), right.getData(), - right.getSize()); - } - - return *this; - } - // element accessors - inline float &operator()(size_t i, size_t j) { -#ifdef MATRIX_ASSERT - ASSERT(i < getRows()); - ASSERT(j < getCols()); -#endif - return getData()[i * getCols() + j]; - } - inline const float &operator()(size_t i, size_t j) const { -#ifdef MATRIX_ASSERT - ASSERT(i < getRows()); - ASSERT(j < getCols()); -#endif - return getData()[i * getCols() + j]; - } - // output - inline void print() const { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - float sig; - int exponent; - float num = (*this)(i, j); - float2SigExp(num, sig, exponent); - printf("%6.3fe%03d ", (double)sig, exponent); - } - - printf("\n"); - } - } - // boolean ops - inline bool operator==(const Matrix &right) const { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - if (fabsf((*this)(i, j) - right(i, j)) > 1e-30f) - return false; - } - } - - return true; - } - // scalar ops - inline Matrix operator+(float right) const { - Matrix result(getRows(), getCols()); - arm_offset_f32((float *)getData(), right, - (float *)result.getData(), getRows()*getCols()); - return result; - } - inline Matrix operator-(float right) const { - Matrix result(getRows(), getCols()); - arm_offset_f32((float *)getData(), -right, - (float *)result.getData(), getRows()*getCols()); - return result; - } - inline Matrix operator*(float right) const { - Matrix result(getRows(), getCols()); - arm_mat_scale_f32(&_matrix, right, - &(result._matrix)); - return result; - } - inline Matrix operator/(float right) const { - Matrix result(getRows(), getCols()); - arm_mat_scale_f32(&_matrix, 1.0f / right, - &(result._matrix)); - return result; - } - // vector ops - inline Vector operator*(const Vector &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getCols() == right.getRows()); -#endif - Matrix resultMat = (*this) * - Matrix(right.getRows(), 1, right.getData()); - return Vector(getRows(), resultMat.getData()); - } - // matrix ops - inline Matrix operator+(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - Matrix result(getRows(), getCols()); - arm_mat_add_f32(&_matrix, &(right._matrix), - &(result._matrix)); - return result; - } - inline Matrix operator-(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - Matrix result(getRows(), getCols()); - arm_mat_sub_f32(&_matrix, &(right._matrix), - &(result._matrix)); - return result; - } - inline Matrix operator*(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getCols() == right.getRows()); -#endif - Matrix result(getRows(), right.getCols()); - arm_mat_mult_f32(&_matrix, &(right._matrix), - &(result._matrix)); - return result; - } - inline Matrix operator/(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(right.getRows() == right.getCols()); - ASSERT(getCols() == right.getCols()); -#endif - return (*this) * right.inverse(); - } - // other functions - inline Matrix transpose() const { - Matrix result(getCols(), getRows()); - arm_mat_trans_f32(&_matrix, &(result._matrix)); - return result; - } - inline void swapRows(size_t a, size_t b) { - if (a == b) return; - - for (size_t j = 0; j < getCols(); j++) { - float tmp = (*this)(a, j); - (*this)(a, j) = (*this)(b, j); - (*this)(b, j) = tmp; - } - } - inline void swapCols(size_t a, size_t b) { - if (a == b) return; - - for (size_t i = 0; i < getRows(); i++) { - float tmp = (*this)(i, a); - (*this)(i, a) = (*this)(i, b); - (*this)(i, b) = tmp; - } - } - /** - * inverse based on LU factorization with partial pivotting - */ - Matrix inverse() const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == getCols()); -#endif - Matrix result(getRows(), getCols()); - Matrix work = (*this); - arm_mat_inverse_f32(&(work._matrix), - &(result._matrix)); - return result; - } - inline void setAll(const float &val) { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - (*this)(i, j) = val; - } - } - } - inline void set(const float *data) { - memcpy(getData(), data, getSize()); - } - inline size_t getRows() const { return _matrix.numRows; } - inline size_t getCols() const { return _matrix.numCols; } - inline static Matrix identity(size_t size) { - Matrix result(size, size); - - for (size_t i = 0; i < size; i++) { - result(i, i) = 1.0f; - } - - return result; - } - inline static Matrix zero(size_t size) { - Matrix result(size, size); - result.setAll(0.0f); - return result; - } - inline static Matrix zero(size_t m, size_t n) { - Matrix result(m, n); - result.setAll(0.0f); - return result; - } -protected: - inline size_t getSize() const { return sizeof(float) * getRows() * getCols(); } - inline float *getData() { return _matrix.pData; } - inline const float *getData() const { return _matrix.pData; } - inline void setData(float *data) { _matrix.pData = data; } -private: - arm_matrix_instance_f32 _matrix; -}; - -} // namespace math diff --git a/src/lib/mathlib/math/arm/Vector.cpp b/src/lib/mathlib/math/arm/Vector.cpp deleted file mode 100644 index 7ea6496bb..000000000 --- a/src/lib/mathlib/math/arm/Vector.cpp +++ /dev/null @@ -1,40 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.cpp - * - * math vector - */ - -#include "Vector.hpp" diff --git a/src/lib/mathlib/math/arm/Vector.hpp b/src/lib/mathlib/math/arm/Vector.hpp deleted file mode 100644 index a2526d0a2..000000000 --- a/src/lib/mathlib/math/arm/Vector.hpp +++ /dev/null @@ -1,236 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.h - * - * math vector - */ - -#pragma once - -#include <inttypes.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <math.h> - -#include "../Vector.hpp" -#include "../test/test.hpp" - -// arm specific -#include "../../CMSIS/Include/arm_math.h" - -namespace math -{ - -class __EXPORT Vector -{ -public: - // constructor - Vector(size_t rows) : - _rows(rows), - _data((float *)calloc(rows, sizeof(float))) { - } - Vector(size_t rows, const float *data) : - _rows(rows), - _data((float *)malloc(getSize())) { - memcpy(getData(), data, getSize()); - } - // deconstructor - virtual ~Vector() { - delete [] getData(); - } - // copy constructor (deep) - Vector(const Vector &right) : - _rows(right.getRows()), - _data((float *)malloc(getSize())) { - memcpy(getData(), right.getData(), - right.getSize()); - } - // assignment - inline Vector &operator=(const Vector &right) { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - - if (this != &right) { - memcpy(getData(), right.getData(), - right.getSize()); - } - - return *this; - } - // element accessors - inline float &operator()(size_t i) { -#ifdef VECTOR_ASSERT - ASSERT(i < getRows()); -#endif - return getData()[i]; - } - inline const float &operator()(size_t i) const { -#ifdef VECTOR_ASSERT - ASSERT(i < getRows()); -#endif - return getData()[i]; - } - // output - inline void print() const { - for (size_t i = 0; i < getRows(); i++) { - float sig; - int exponent; - float num = (*this)(i); - float2SigExp(num, sig, exponent); - printf("%6.3fe%03d ", (double)sig, exponent); - } - - printf("\n"); - } - // boolean ops - inline bool operator==(const Vector &right) const { - for (size_t i = 0; i < getRows(); i++) { - if (fabsf(((*this)(i) - right(i))) > 1e-30f) - return false; - } - - return true; - } - // scalar ops - inline Vector operator+(float right) const { - Vector result(getRows()); - arm_offset_f32((float *)getData(), - right, result.getData(), - getRows()); - return result; - } - inline Vector operator-(float right) const { - Vector result(getRows()); - arm_offset_f32((float *)getData(), - -right, result.getData(), - getRows()); - return result; - } - inline Vector operator*(const float &right) const { - Vector result(getRows()); - arm_scale_f32((float *)getData(), - right, result.getData(), - getRows()); - return result; - } - inline Vector operator/(float right) const { - Vector result(getRows()); - arm_scale_f32((float *)getData(), - 1.0f / right, result.getData(), - getRows()); - return result; - } - // vector ops - inline Vector operator+(const Vector &right) const { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - Vector result(getRows()); - arm_add_f32((float *)getData(), - (float *)right.getData(), - result.getData(), - getRows()); - return result; - } - inline Vector operator-(const Vector &right) const { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - Vector result(getRows()); - arm_sub_f32((float *)getData(), - (float *)right.getData(), - result.getData(), - getRows()); - return result; - } - inline Vector operator-(void) const { - Vector result(getRows()); - arm_negate_f32((float *)getData(), - result.getData(), - getRows()); - return result; - } - // other functions - inline float dot(const Vector &right) const { - float result = 0; - arm_dot_prod_f32((float *)getData(), - (float *)right.getData(), - getRows(), - &result); - return result; - } - inline float norm() const { - return sqrtf(dot(*this)); - } - inline float length() const { - return norm(); - } - inline Vector unit() const { - return (*this) / norm(); - } - inline Vector normalized() const { - return unit(); - } - inline void normalize() { - (*this) = (*this) / norm(); - } - inline static Vector zero(size_t rows) { - Vector result(rows); - // calloc returns zeroed memory - return result; - } - inline void setAll(const float &val) { - for (size_t i = 0; i < getRows(); i++) { - (*this)(i) = val; - } - } - inline void set(const float *data) { - memcpy(getData(), data, getSize()); - } - inline size_t getRows() const { return _rows; } - inline const float *getData() const { return _data; } -protected: - inline size_t getSize() const { return sizeof(float) * getRows(); } - inline float *getData() { return _data; } - inline void setData(float *data) { _data = data; } -private: - size_t _rows; - float *_data; -}; - -} // math diff --git a/src/lib/mathlib/math/generic/Matrix.cpp b/src/lib/mathlib/math/generic/Matrix.cpp deleted file mode 100644 index 21661622a..000000000 --- a/src/lib/mathlib/math/generic/Matrix.cpp +++ /dev/null @@ -1,40 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Matrix.cpp - * - * matrix code - */ - -#include "Matrix.hpp" diff --git a/src/lib/mathlib/math/generic/Matrix.hpp b/src/lib/mathlib/math/generic/Matrix.hpp deleted file mode 100644 index 5601a3447..000000000 --- a/src/lib/mathlib/math/generic/Matrix.hpp +++ /dev/null @@ -1,437 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Matrix.h - * - * matrix code - */ - -#pragma once - - -#include <inttypes.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <math.h> - -#include "../Vector.hpp" -#include "../Matrix.hpp" - -namespace math -{ - -class __EXPORT Matrix -{ -public: - // constructor - Matrix(size_t rows, size_t cols) : - _rows(rows), - _cols(cols), - _data((float *)calloc(rows *cols, sizeof(float))) { - } - Matrix(size_t rows, size_t cols, const float *data) : - _rows(rows), - _cols(cols), - _data((float *)malloc(getSize())) { - memcpy(getData(), data, getSize()); - } - // deconstructor - virtual ~Matrix() { - delete [] getData(); - } - // copy constructor (deep) - Matrix(const Matrix &right) : - _rows(right.getRows()), - _cols(right.getCols()), - _data((float *)malloc(getSize())) { - memcpy(getData(), right.getData(), - right.getSize()); - } - // assignment - inline Matrix &operator=(const Matrix &right) { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - - if (this != &right) { - memcpy(getData(), right.getData(), - right.getSize()); - } - - return *this; - } - // element accessors - inline float &operator()(size_t i, size_t j) { -#ifdef MATRIX_ASSERT - ASSERT(i < getRows()); - ASSERT(j < getCols()); -#endif - return getData()[i * getCols() + j]; - } - inline const float &operator()(size_t i, size_t j) const { -#ifdef MATRIX_ASSERT - ASSERT(i < getRows()); - ASSERT(j < getCols()); -#endif - return getData()[i * getCols() + j]; - } - // output - inline void print() const { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - float sig; - int exp; - float num = (*this)(i, j); - float2SigExp(num, sig, exp); - printf("%6.3fe%03.3d,", (double)sig, exp); - } - - printf("\n"); - } - } - // boolean ops - inline bool operator==(const Matrix &right) const { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - if (fabsf((*this)(i, j) - right(i, j)) > 1e-30f) - return false; - } - } - - return true; - } - // scalar ops - inline Matrix operator+(const float &right) const { - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) + right; - } - } - - return result; - } - inline Matrix operator-(const float &right) const { - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) - right; - } - } - - return result; - } - inline Matrix operator*(const float &right) const { - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) * right; - } - } - - return result; - } - inline Matrix operator/(const float &right) const { - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) / right; - } - } - - return result; - } - // vector ops - inline Vector operator*(const Vector &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getCols() == right.getRows()); -#endif - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i) += (*this)(i, j) * right(j); - } - } - - return result; - } - // matrix ops - inline Matrix operator+(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) + right(i, j); - } - } - - return result; - } - inline Matrix operator-(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == right.getRows()); - ASSERT(getCols() == right.getCols()); -#endif - Matrix result(getRows(), getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(i, j) = (*this)(i, j) - right(i, j); - } - } - - return result; - } - inline Matrix operator*(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(getCols() == right.getRows()); -#endif - Matrix result(getRows(), right.getCols()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < right.getCols(); j++) { - for (size_t k = 0; k < right.getRows(); k++) { - result(i, j) += (*this)(i, k) * right(k, j); - } - } - } - - return result; - } - inline Matrix operator/(const Matrix &right) const { -#ifdef MATRIX_ASSERT - ASSERT(right.getRows() == right.getCols()); - ASSERT(getCols() == right.getCols()); -#endif - return (*this) * right.inverse(); - } - // other functions - inline Matrix transpose() const { - Matrix result(getCols(), getRows()); - - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - result(j, i) = (*this)(i, j); - } - } - - return result; - } - inline void swapRows(size_t a, size_t b) { - if (a == b) return; - - for (size_t j = 0; j < getCols(); j++) { - float tmp = (*this)(a, j); - (*this)(a, j) = (*this)(b, j); - (*this)(b, j) = tmp; - } - } - inline void swapCols(size_t a, size_t b) { - if (a == b) return; - - for (size_t i = 0; i < getRows(); i++) { - float tmp = (*this)(i, a); - (*this)(i, a) = (*this)(i, b); - (*this)(i, b) = tmp; - } - } - /** - * inverse based on LU factorization with partial pivotting - */ - Matrix inverse() const { -#ifdef MATRIX_ASSERT - ASSERT(getRows() == getCols()); -#endif - size_t N = getRows(); - Matrix L = identity(N); - const Matrix &A = (*this); - Matrix U = A; - Matrix P = identity(N); - - //printf("A:\n"); A.print(); - - // for all diagonal elements - for (size_t n = 0; n < N; n++) { - - // if diagonal is zero, swap with row below - if (fabsf(U(n, n)) < 1e-8f) { - //printf("trying pivot for row %d\n",n); - for (size_t i = 0; i < N; i++) { - if (i == n) continue; - - //printf("\ttrying row %d\n",i); - if (fabsf(U(i, n)) > 1e-8f) { - //printf("swapped %d\n",i); - U.swapRows(i, n); - P.swapRows(i, n); - } - } - } - -#ifdef MATRIX_ASSERT - //printf("A:\n"); A.print(); - //printf("U:\n"); U.print(); - //printf("P:\n"); P.print(); - //fflush(stdout); - ASSERT(fabsf(U(n, n)) > 1e-8f); -#endif - - // failsafe, return zero matrix - if (fabsf(U(n, n)) < 1e-8f) { - return Matrix::zero(n); - } - - // for all rows below diagonal - for (size_t i = (n + 1); i < N; i++) { - L(i, n) = U(i, n) / U(n, n); - - // add i-th row and n-th row - // multiplied by: -a(i,n)/a(n,n) - for (size_t k = n; k < N; k++) { - U(i, k) -= L(i, n) * U(n, k); - } - } - } - - //printf("L:\n"); L.print(); - //printf("U:\n"); U.print(); - - // solve LY=P*I for Y by forward subst - Matrix Y = P; - - // for all columns of Y - for (size_t c = 0; c < N; c++) { - // for all rows of L - for (size_t i = 0; i < N; i++) { - // for all columns of L - for (size_t j = 0; j < i; j++) { - // for all existing y - // subtract the component they - // contribute to the solution - Y(i, c) -= L(i, j) * Y(j, c); - } - - // divide by the factor - // on current - // term to be solved - // Y(i,c) /= L(i,i); - // but L(i,i) = 1.0 - } - } - - //printf("Y:\n"); Y.print(); - - // solve Ux=y for x by back subst - Matrix X = Y; - - // for all columns of X - for (size_t c = 0; c < N; c++) { - // for all rows of U - for (size_t k = 0; k < N; k++) { - // have to go in reverse order - size_t i = N - 1 - k; - - // for all columns of U - for (size_t j = i + 1; j < N; j++) { - // for all existing x - // subtract the component they - // contribute to the solution - X(i, c) -= U(i, j) * X(j, c); - } - - // divide by the factor - // on current - // term to be solved - X(i, c) /= U(i, i); - } - } - - //printf("X:\n"); X.print(); - return X; - } - inline void setAll(const float &val) { - for (size_t i = 0; i < getRows(); i++) { - for (size_t j = 0; j < getCols(); j++) { - (*this)(i, j) = val; - } - } - } - inline void set(const float *data) { - memcpy(getData(), data, getSize()); - } - inline size_t getRows() const { return _rows; } - inline size_t getCols() const { return _cols; } - inline static Matrix identity(size_t size) { - Matrix result(size, size); - - for (size_t i = 0; i < size; i++) { - result(i, i) = 1.0f; - } - - return result; - } - inline static Matrix zero(size_t size) { - Matrix result(size, size); - result.setAll(0.0f); - return result; - } - inline static Matrix zero(size_t m, size_t n) { - Matrix result(m, n); - result.setAll(0.0f); - return result; - } -protected: - inline size_t getSize() const { return sizeof(float) * getRows() * getCols(); } - inline float *getData() { return _data; } - inline const float *getData() const { return _data; } - inline void setData(float *data) { _data = data; } -private: - size_t _rows; - size_t _cols; - float *_data; -}; - -} // namespace math diff --git a/src/lib/mathlib/math/generic/Vector.cpp b/src/lib/mathlib/math/generic/Vector.cpp deleted file mode 100644 index 7ea6496bb..000000000 --- a/src/lib/mathlib/math/generic/Vector.cpp +++ /dev/null @@ -1,40 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.cpp - * - * math vector - */ - -#include "Vector.hpp" diff --git a/src/lib/mathlib/math/generic/Vector.hpp b/src/lib/mathlib/math/generic/Vector.hpp deleted file mode 100644 index 8cfdc676d..000000000 --- a/src/lib/mathlib/math/generic/Vector.hpp +++ /dev/null @@ -1,245 +0,0 @@ -/**************************************************************************** - * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name PX4 nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************/ - -/** - * @file Vector.h - * - * math vector - */ - -#pragma once - -#include <inttypes.h> -#include <assert.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include <math.h> - -#include "../Vector.hpp" - -namespace math -{ - -class __EXPORT Vector -{ -public: - // constructor - Vector(size_t rows) : - _rows(rows), - _data((float *)calloc(rows, sizeof(float))) { - } - Vector(size_t rows, const float *data) : - _rows(rows), - _data((float *)malloc(getSize())) { - memcpy(getData(), data, getSize()); - } - // deconstructor - virtual ~Vector() { - delete [] getData(); - } - // copy constructor (deep) - Vector(const Vector &right) : - _rows(right.getRows()), - _data((float *)malloc(getSize())) { - memcpy(getData(), right.getData(), - right.getSize()); - } - // assignment - inline Vector &operator=(const Vector &right) { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - - if (this != &right) { - memcpy(getData(), right.getData(), - right.getSize()); - } - - return *this; - } - // element accessors - inline float &operator()(size_t i) { -#ifdef VECTOR_ASSERT - ASSERT(i < getRows()); -#endif - return getData()[i]; - } - inline const float &operator()(size_t i) const { -#ifdef VECTOR_ASSERT - ASSERT(i < getRows()); -#endif - return getData()[i]; - } - // output - inline void print() const { - for (size_t i = 0; i < getRows(); i++) { - float sig; - int exp; - float num = (*this)(i); - float2SigExp(num, sig, exp); - printf("%6.3fe%03.3d,", (double)sig, exp); - } - - printf("\n"); - } - // boolean ops - inline bool operator==(const Vector &right) const { - for (size_t i = 0; i < getRows(); i++) { - if (fabsf(((*this)(i) - right(i))) > 1e-30f) - return false; - } - - return true; - } - // scalar ops - inline Vector operator+(const float &right) const { - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) + right; - } - - return result; - } - inline Vector operator-(const float &right) const { - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) - right; - } - - return result; - } - inline Vector operator*(const float &right) const { - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) * right; - } - - return result; - } - inline Vector operator/(const float &right) const { - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) / right; - } - - return result; - } - // vector ops - inline Vector operator+(const Vector &right) const { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) + right(i); - } - - return result; - } - inline Vector operator-(const Vector &right) const { -#ifdef VECTOR_ASSERT - ASSERT(getRows() == right.getRows()); -#endif - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = (*this)(i) - right(i); - } - - return result; - } - inline Vector operator-(void) const { - Vector result(getRows()); - - for (size_t i = 0; i < getRows(); i++) { - result(i) = -((*this)(i)); - } - - return result; - } - // other functions - inline float dot(const Vector &right) const { - float result = 0; - - for (size_t i = 0; i < getRows(); i++) { - result += (*this)(i) * (*this)(i); - } - - return result; - } - inline float norm() const { - return sqrtf(dot(*this)); - } - inline float length() const { - return norm(); - } - inline Vector unit() const { - return (*this) / norm(); - } - inline Vector normalized() const { - return unit(); - } - inline void normalize() { - (*this) = (*this) / norm(); - } - inline static Vector zero(size_t rows) { - Vector result(rows); - // calloc returns zeroed memory - return result; - } - inline void setAll(const float &val) { - for (size_t i = 0; i < getRows(); i++) { - (*this)(i) = val; - } - } - inline void set(const float *data) { - memcpy(getData(), data, getSize()); - } - inline size_t getRows() const { return _rows; } -protected: - inline size_t getSize() const { return sizeof(float) * getRows(); } - inline float *getData() { return _data; } - inline const float *getData() const { return _data; } - inline void setData(float *data) { _data = data; } -private: - size_t _rows; - float *_data; -}; - -} // math diff --git a/src/lib/mathlib/mathlib.h b/src/lib/mathlib/mathlib.h index 40ffb22bc..9e03855c5 100644 --- a/src/lib/mathlib/mathlib.h +++ b/src/lib/mathlib/mathlib.h @@ -41,13 +41,9 @@ #pragma once -#include "math/Dcm.hpp" -#include "math/EulerAngles.hpp" +#include "math/Vector.hpp" #include "math/Matrix.hpp" #include "math/Quaternion.hpp" -#include "math/Vector.hpp" -#include "math/Vector3.hpp" -#include "math/Vector2f.hpp" #include "math/Limits.hpp" #endif @@ -56,4 +52,4 @@ #include "CMSIS/Include/arm_math.h" -#endif
\ No newline at end of file +#endif diff --git a/src/lib/mathlib/module.mk b/src/lib/mathlib/module.mk index 72bc7db8a..191e2da73 100644 --- a/src/lib/mathlib/module.mk +++ b/src/lib/mathlib/module.mk @@ -35,13 +35,6 @@ # Math library # SRCS = math/test/test.cpp \ - math/Vector.cpp \ - math/Vector2f.cpp \ - math/Vector3.cpp \ - math/EulerAngles.cpp \ - math/Quaternion.cpp \ - math/Dcm.cpp \ - math/Matrix.cpp \ math/Limits.cpp # @@ -49,13 +42,3 @@ SRCS = math/test/test.cpp \ # current makefile name, since app.mk needs it. # APP_MAKEFILE := $(lastword $(MAKEFILE_LIST)) - -ifeq ($(CONFIG_ARCH_CORTEXM4)$(CONFIG_ARCH_FPU),yy) -INCLUDE_DIRS += math/arm -SRCS += math/arm/Vector.cpp \ - math/arm/Matrix.cpp -else -#INCLUDE_DIRS += math/generic -#SRCS += math/generic/Vector.cpp \ -# math/generic/Matrix.cpp -endif diff --git a/src/modules/att_pos_estimator_ekf/KalmanNav.cpp b/src/modules/att_pos_estimator_ekf/KalmanNav.cpp index ecca04dd7..aca3fe7b6 100644 --- a/src/modules/att_pos_estimator_ekf/KalmanNav.cpp +++ b/src/modules/att_pos_estimator_ekf/KalmanNav.cpp @@ -53,21 +53,6 @@ static const int8_t ret_error = -1; // error occurred KalmanNav::KalmanNav(SuperBlock *parent, const char *name) : SuperBlock(parent, name), - // ekf matrices - F(9, 9), - G(9, 6), - P(9, 9), - P0(9, 9), - V(6, 6), - // attitude measurement ekf matrices - HAtt(4, 9), - RAtt(4, 4), - // position measurement ekf matrices - HPos(6, 9), - RPos(6, 6), - // attitude representations - C_nb(), - q(), // subscriptions _sensors(&getSubscriptions(), ORB_ID(sensor_combined), 5), // limit to 200 Hz _gps(&getSubscriptions(), ORB_ID(vehicle_gps_position), 100), // limit to 10 Hz @@ -112,8 +97,17 @@ KalmanNav::KalmanNav(SuperBlock *parent, const char *name) : { using namespace math; + F.zero(); + G.zero(); + V.zero(); + HAtt.zero(); + RAtt.zero(); + HPos.zero(); + RPos.zero(); + // initial state covariance matrix - P0 = Matrix::identity(9) * 0.01f; + P0.identity(); + P0 *= 0.01f; P = P0; // initial state @@ -138,7 +132,7 @@ KalmanNav::KalmanNav(SuperBlock *parent, const char *name) : _sensors.magnetometer_ga[2]); // initialize dcm - C_nb = Dcm(q); + C_nb = q.to_dcm(); // HPos is constant HPos(0, 3) = 1.0f; @@ -228,8 +222,8 @@ void KalmanNav::update() if (correctAtt() == ret_ok) _attitudeInitCounter++; if (_attitudeInitCounter > 100) { - warnx("initialized EKF attitude\n"); - warnx("phi: %8.4f, theta: %8.4f, psi: %8.4f\n", + warnx("initialized EKF attitude"); + warnx("phi: %8.4f, theta: %8.4f, psi: %8.4f", double(phi), double(theta), double(psi)); _attitudeInitialized = true; } @@ -259,8 +253,8 @@ void KalmanNav::update() // lat/lon and not have init map_projection_init(lat0, lon0); _positionInitialized = true; - warnx("initialized EKF state with GPS\n"); - warnx("vN: %8.4f, vE: %8.4f, vD: %8.4f, lat: %8.4f, lon: %8.4f, alt: %8.4f\n", + warnx("initialized EKF state with GPS"); + warnx("vN: %8.4f, vE: %8.4f, vD: %8.4f, lat: %8.4f, lon: %8.4f, alt: %8.4f", double(vN), double(vE), double(vD), lat, lon, double(alt)); } @@ -404,28 +398,28 @@ int KalmanNav::predictState(float dt) // attitude prediction if (_attitudeInitialized) { - Vector3 w(_sensors.gyro_rad_s); + Vector<3> w(_sensors.gyro_rad_s); // attitude q = q + q.derivative(w) * dt; // renormalize quaternion if needed - if (fabsf(q.norm() - 1.0f) > 1e-4f) { - q = q.unit(); + if (fabsf(q.length() - 1.0f) > 1e-4f) { + q.normalize(); } // C_nb update - C_nb = Dcm(q); + C_nb = q.to_dcm(); // euler update - EulerAngles euler(C_nb); - phi = euler.getPhi(); - theta = euler.getTheta(); - psi = euler.getPsi(); + Vector<3> euler = C_nb.to_euler(); + phi = euler.data[0]; + theta = euler.data[1]; + psi = euler.data[2]; // specific acceleration in nav frame - Vector3 accelB(_sensors.accelerometer_m_s2); - Vector3 accelN = C_nb * accelB; + Vector<3> accelB(_sensors.accelerometer_m_s2); + Vector<3> accelN = C_nb * accelB; fN = accelN(0); fE = accelN(1); fD = accelN(2); @@ -549,10 +543,10 @@ int KalmanNav::predictStateCovariance(float dt) G(5, 4) = C_nb(2, 1); G(5, 5) = C_nb(2, 2); - // continuous predictioon equations - // for discrte time EKF + // continuous prediction equations + // for discrete time EKF // http://en.wikipedia.org/wiki/Extended_Kalman_filter - P = P + (F * P + P * F.transpose() + G * V * G.transpose()) * dt; + P = P + (F * P + P * F.transposed() + G * V * G.transposed()) * dt; return ret_ok; } @@ -577,13 +571,14 @@ int KalmanNav::correctAtt() // compensate roll and pitch, but not yaw // XXX take the vectors out of the C_nb matrix to avoid singularities - math::Dcm C_rp(math::EulerAngles(phi, theta, 0.0f));//C_nb.transpose(); + math::Matrix<3,3> C_rp; + C_rp.from_euler(phi, theta, 0.0f);//C_nb.transposed(); // mag measurement - Vector3 magBody(_sensors.magnetometer_ga); + Vector<3> magBody(_sensors.magnetometer_ga); // transform to earth frame - Vector3 magNav = C_rp * magBody; + Vector<3> magNav = C_rp * magBody; // calculate error between estimate and measurement // apply declination correction for true heading as well. @@ -592,12 +587,12 @@ int KalmanNav::correctAtt() if (yMag < -M_PI_F) yMag += 2*M_PI_F; // accel measurement - Vector3 zAccel(_sensors.accelerometer_m_s2); - float accelMag = zAccel.norm(); - zAccel = zAccel.unit(); + Vector<3> zAccel(_sensors.accelerometer_m_s2); + float accelMag = zAccel.length(); + zAccel.normalize(); // ignore accel correction when accel mag not close to g - Matrix RAttAdjust = RAtt; + Matrix<4,4> RAttAdjust = RAtt; bool ignoreAccel = fabsf(accelMag - _g.get()) > 1.1f; @@ -611,14 +606,10 @@ int KalmanNav::correctAtt() } // accel predicted measurement - Vector3 zAccelHat = (C_nb.transpose() * Vector3(0, 0, -_g.get())).unit(); + Vector<3> zAccelHat = (C_nb.transposed() * Vector<3>(0, 0, -_g.get())).normalized(); // calculate residual - Vector y(4); - y(0) = yMag; - y(1) = zAccel(0) - zAccelHat(0); - y(2) = zAccel(1) - zAccelHat(1); - y(3) = zAccel(2) - zAccelHat(2); + Vector<4> y(yMag, zAccel(0) - zAccelHat(0), zAccel(1) - zAccelHat(1), zAccel(2) - zAccelHat(2)); // HMag HAtt(0, 2) = 1; @@ -632,17 +623,17 @@ int KalmanNav::correctAtt() // compute correction // http://en.wikipedia.org/wiki/Extended_Kalman_filter - Matrix S = HAtt * P * HAtt.transpose() + RAttAdjust; // residual covariance - Matrix K = P * HAtt.transpose() * S.inverse(); - Vector xCorrect = K * y; + Matrix<4, 4> S = HAtt * P * HAtt.transposed() + RAttAdjust; // residual covariance + Matrix<9, 4> K = P * HAtt.transposed() * S.inversed(); + Vector<9> xCorrect = K * y; // check correciton is sane - for (size_t i = 0; i < xCorrect.getRows(); i++) { + for (size_t i = 0; i < xCorrect.get_size(); i++) { float val = xCorrect(i); if (isnan(val) || isinf(val)) { // abort correction and return - warnx("numerical failure in att correction\n"); + warnx("numerical failure in att correction"); // reset P matrix to P0 P = P0; return ret_error; @@ -669,7 +660,7 @@ int KalmanNav::correctAtt() P = P - K * HAtt * P; // fault detection - float beta = y.dot(S.inverse() * y); + float beta = y * (S.inversed() * y); if (beta > _faultAtt.get()) { warnx("fault in attitude: beta = %8.4f", (double)beta); @@ -678,7 +669,7 @@ int KalmanNav::correctAtt() // update quaternions from euler // angle correction - q = Quaternion(EulerAngles(phi, theta, psi)); + q.from_euler(phi, theta, psi); return ret_ok; } @@ -688,7 +679,7 @@ int KalmanNav::correctPos() using namespace math; // residual - Vector y(6); + Vector<6> y; y(0) = _gps.vel_n_m_s - vN; y(1) = _gps.vel_e_m_s - vE; y(2) = double(_gps.lat) - double(lat) * 1.0e7 * M_RAD_TO_DEG; @@ -698,17 +689,17 @@ int KalmanNav::correctPos() // compute correction // http://en.wikipedia.org/wiki/Extended_Kalman_filter - Matrix S = HPos * P * HPos.transpose() + RPos; // residual covariance - Matrix K = P * HPos.transpose() * S.inverse(); - Vector xCorrect = K * y; + Matrix<6,6> S = HPos * P * HPos.transposed() + RPos; // residual covariance + Matrix<9,6> K = P * HPos.transposed() * S.inversed(); + Vector<9> xCorrect = K * y; // check correction is sane - for (size_t i = 0; i < xCorrect.getRows(); i++) { + for (size_t i = 0; i < xCorrect.get_size(); i++) { float val = xCorrect(i); if (!isfinite(val)) { // abort correction and return - warnx("numerical failure in gps correction\n"); + warnx("numerical failure in gps correction"); // fallback to GPS vN = _gps.vel_n_m_s; vE = _gps.vel_e_m_s; @@ -735,7 +726,7 @@ int KalmanNav::correctPos() P = P - K * HPos * P; // fault detetcion - float beta = y.dot(S.inverse() * y); + float beta = y * (S.inversed() * y); static int counter = 0; if (beta > _faultPos.get() && (counter % 10 == 0)) { diff --git a/src/modules/att_pos_estimator_ekf/KalmanNav.hpp b/src/modules/att_pos_estimator_ekf/KalmanNav.hpp index a69bde1a6..46ee4b6c8 100644 --- a/src/modules/att_pos_estimator_ekf/KalmanNav.hpp +++ b/src/modules/att_pos_estimator_ekf/KalmanNav.hpp @@ -125,17 +125,17 @@ public: virtual void updateParams(); protected: // kalman filter - math::Matrix F; /**< Jacobian(f,x), where dx/dt = f(x,u) */ - math::Matrix G; /**< noise shaping matrix for gyro/accel */ - math::Matrix P; /**< state covariance matrix */ - math::Matrix P0; /**< initial state covariance matrix */ - math::Matrix V; /**< gyro/ accel noise matrix */ - math::Matrix HAtt; /**< attitude measurement matrix */ - math::Matrix RAtt; /**< attitude measurement noise matrix */ - math::Matrix HPos; /**< position measurement jacobian matrix */ - math::Matrix RPos; /**< position measurement noise matrix */ + math::Matrix<9,9> F; /**< Jacobian(f,x), where dx/dt = f(x,u) */ + math::Matrix<9,6> G; /**< noise shaping matrix for gyro/accel */ + math::Matrix<9,9> P; /**< state covariance matrix */ + math::Matrix<9,9> P0; /**< initial state covariance matrix */ + math::Matrix<6,6> V; /**< gyro/ accel noise matrix */ + math::Matrix<4,9> HAtt; /**< attitude measurement matrix */ + math::Matrix<4,4> RAtt; /**< attitude measurement noise matrix */ + math::Matrix<6,9> HPos; /**< position measurement jacobian matrix */ + math::Matrix<6,6> RPos; /**< position measurement noise matrix */ // attitude - math::Dcm C_nb; /**< direction cosine matrix from body to nav frame */ + math::Matrix<3,3> C_nb; /**< direction cosine matrix from body to nav frame */ math::Quaternion q; /**< quaternion from body to nav frame */ // subscriptions control::UOrbSubscription<sensor_combined_s> _sensors; /**< sensors sub. */ diff --git a/src/modules/att_pos_estimator_ekf/kalman_main.cpp b/src/modules/att_pos_estimator_ekf/kalman_main.cpp index 372b2d162..3d20d4d2d 100644 --- a/src/modules/att_pos_estimator_ekf/kalman_main.cpp +++ b/src/modules/att_pos_estimator_ekf/kalman_main.cpp @@ -107,7 +107,7 @@ int att_pos_estimator_ekf_main(int argc, char *argv[]) daemon_task = task_spawn_cmd("att_pos_estimator_ekf", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 30, - 4096, + 8192, kalman_demo_thread_main, (argv) ? (const char **)&argv[2] : (const char **)NULL); exit(0); diff --git a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp index 983ac7c8d..48a11e7fc 100755 --- a/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp +++ b/src/modules/attitude_estimator_ekf/attitude_estimator_ekf_main.cpp @@ -267,6 +267,10 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds float gyro_offsets[3] = { 0.0f, 0.0f, 0.0f }; unsigned offset_count = 0; + /* rotation matrix for magnetic declination */ + math::Matrix<3, 3> R_decl; + R_decl.identity(); + /* register the perf counter */ perf_counter_t ekf_loop_perf = perf_alloc(PC_ELAPSED, "attitude_estimator_ekf"); @@ -301,6 +305,9 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds /* update parameters */ parameters_update(&ekf_param_handles, &ekf_params); + + /* update mag declination rotation matrix */ + R_decl.from_euler(0.0f, 0.0f, ekf_params.mag_decl); } /* only run filter if sensor values changed */ @@ -450,17 +457,12 @@ const unsigned int loop_interval_alarm = 6500; // loop interval in microseconds memcpy(&att.rate_offsets, &(x_aposteriori[3]), sizeof(att.rate_offsets)); /* magnetic declination */ - math::EulerAngles eulerMagDecl(0.0f, 0.0f, ekf_params.mag_decl); - math::Dcm R(eulerMagDecl); - math::Dcm R_body(&Rot_matrix[0]); - R = R * R_body; + + math::Matrix<3, 3> R_body = (&Rot_matrix[0]); + math::Matrix<3, 3> R = R_decl * R_body; /* copy rotation matrix */ - for (int i = 0; i < 3; i++) { - for (int j = 0; j < 3; j++) { - att.R[i][j] = R(i, j); - } - } + memcpy(&att.R[0][0], &R.data[0][0], sizeof(att.R)); att.R_valid = true; if (isfinite(att.roll) && isfinite(att.pitch) && isfinite(att.yaw)) { diff --git a/src/modules/commander/accelerometer_calibration.cpp b/src/modules/commander/accelerometer_calibration.cpp index 5eeca5a1a..36b75dd58 100644 --- a/src/modules/commander/accelerometer_calibration.cpp +++ b/src/modules/commander/accelerometer_calibration.cpp @@ -194,15 +194,13 @@ int do_accel_calibration(int mavlink_fd) int32_t board_rotation_int; param_get(board_rotation_h, &(board_rotation_int)); enum Rotation board_rotation_id = (enum Rotation)board_rotation_int; - math::Matrix board_rotation(3, 3); + math::Matrix<3,3> board_rotation; get_rot_matrix(board_rotation_id, &board_rotation); - math::Matrix board_rotation_t = board_rotation.transpose(); - math::Vector3 accel_offs_vec; - accel_offs_vec.set(&accel_offs[0]); - math::Vector3 accel_offs_rotated = board_rotation_t * accel_offs_vec; - math::Matrix accel_T_mat(3, 3); - accel_T_mat.set(&accel_T[0][0]); - math::Matrix accel_T_rotated = board_rotation_t * accel_T_mat * board_rotation; + math::Matrix<3,3> board_rotation_t = board_rotation.transposed(); + math::Vector<3> accel_offs_vec(&accel_offs[0]); + math::Vector<3> accel_offs_rotated = board_rotation_t * accel_offs_vec; + math::Matrix<3,3> accel_T_mat(&accel_T[0][0]); + math::Matrix<3,3> accel_T_rotated = board_rotation_t * accel_T_mat * board_rotation; accel_scale.x_offset = accel_offs_rotated(0); accel_scale.x_scale = accel_T_rotated(0, 0); diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp index a9648b207..5e32ac32f 100644 --- a/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp +++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_main.cpp @@ -170,7 +170,7 @@ private: uint64_t _airspeed_last_valid; ///< last time airspeed was valid. Used to detect sensor failures float _groundspeed_undershoot; ///< ground speed error to min. speed in m/s bool _global_pos_valid; ///< global position is valid - math::Dcm _R_nb; ///< current attitude + math::Matrix<3, 3> _R_nb; ///< current attitude ECL_L1_Pos_Controller _l1_control; TECS _tecs; @@ -282,7 +282,7 @@ private: /** * Control position. */ - bool control_position(const math::Vector2f &global_pos, const math::Vector2f &ground_speed, + bool control_position(const math::Vector<2> &global_pos, const math::Vector<2> &ground_speed, const struct vehicle_global_position_set_triplet_s &global_triplet); float calculate_target_airspeed(float airspeed_demand); @@ -600,10 +600,10 @@ FixedwingPositionControl::calculate_gndspeed_undershoot() if (_global_pos_valid) { /* get ground speed vector */ - math::Vector2f ground_speed_vector(_global_pos.vx, _global_pos.vy); + math::Vector<2> ground_speed_vector(_global_pos.vx, _global_pos.vy); /* rotate with current attitude */ - math::Vector2f yaw_vector(_R_nb(0, 0), _R_nb(1, 0)); + math::Vector<2> yaw_vector(_R_nb(0, 0), _R_nb(1, 0)); yaw_vector.normalize(); float ground_speed_body = yaw_vector * ground_speed_vector; @@ -624,7 +624,7 @@ FixedwingPositionControl::calculate_gndspeed_undershoot() } bool -FixedwingPositionControl::control_position(const math::Vector2f ¤t_position, const math::Vector2f &ground_speed, +FixedwingPositionControl::control_position(const math::Vector<2> ¤t_position, const math::Vector<2> &ground_speed, const struct vehicle_global_position_set_triplet_s &global_triplet) { bool setpoint = true; @@ -637,8 +637,8 @@ FixedwingPositionControl::control_position(const math::Vector2f ¤t_positio float baro_altitude = _global_pos.alt; /* filter speed and altitude for controller */ - math::Vector3 accel_body(_accel.x, _accel.y, _accel.z); - math::Vector3 accel_earth = _R_nb.transpose() * accel_body; + math::Vector<3> accel_body(_accel.x, _accel.y, _accel.z); + math::Vector<3> accel_earth = _R_nb.transposed() * accel_body; _tecs.update_50hz(baro_altitude, _airspeed.indicated_airspeed_m_s, _R_nb, accel_body, accel_earth); float altitude_error = _global_triplet.current.altitude - _global_pos.alt; @@ -662,29 +662,29 @@ FixedwingPositionControl::control_position(const math::Vector2f ¤t_positio if (_setpoint_valid) { /* current waypoint (the one currently heading for) */ - math::Vector2f next_wp(global_triplet.current.lat / 1e7f, global_triplet.current.lon / 1e7f); + math::Vector<2> next_wp(global_triplet.current.lat / 1e7f, global_triplet.current.lon / 1e7f); /* previous waypoint */ - math::Vector2f prev_wp; + math::Vector<2> prev_wp; if (global_triplet.previous_valid) { - prev_wp.setX(global_triplet.previous.lat / 1e7f); - prev_wp.setY(global_triplet.previous.lon / 1e7f); + prev_wp(0) = global_triplet.previous.lat / 1e7f; + prev_wp(1) = global_triplet.previous.lon / 1e7f; } else { /* * No valid previous waypoint, go for the current wp. * This is automatically handled by the L1 library. */ - prev_wp.setX(global_triplet.current.lat / 1e7f); - prev_wp.setY(global_triplet.current.lon / 1e7f); + prev_wp(0) = global_triplet.current.lat / 1e7f; + prev_wp(1) = global_triplet.current.lon / 1e7f; } // XXX add RTL switch if (global_triplet.current.nav_cmd == NAV_CMD_RETURN_TO_LAUNCH && _launch_valid) { - math::Vector2f rtl_pos(_launch_lat, _launch_lon); + math::Vector<2> rtl_pos(_launch_lat, _launch_lon); _l1_control.navigate_waypoints(rtl_pos, rtl_pos, current_position, ground_speed); _att_sp.roll_body = _l1_control.nav_roll(); @@ -730,7 +730,7 @@ FixedwingPositionControl::control_position(const math::Vector2f ¤t_positio /* switch to heading hold for the last meters, continue heading hold after */ - float wp_distance = get_distance_to_next_waypoint(prev_wp.getX(), prev_wp.getY(), current_position.getX(), current_position.getY()); + float wp_distance = get_distance_to_next_waypoint(prev_wp(0), prev_wp(1), current_position(0), current_position(1)); //warnx("wp dist: %d, alt err: %d, noret: %s", (int)wp_distance, (int)altitude_error, (land_noreturn) ? "YES" : "NO"); if (wp_distance < 15.0f || land_noreturn) { @@ -869,7 +869,7 @@ FixedwingPositionControl::control_position(const math::Vector2f ¤t_positio altitude_error = _loiter_hold_alt - _global_pos.alt; - math::Vector2f loiter_hold_pos(_loiter_hold_lat, _loiter_hold_lon); + math::Vector<2> loiter_hold_pos(_loiter_hold_lat, _loiter_hold_lon); /* loiter around current position */ _l1_control.navigate_loiter(loiter_hold_pos, current_position, _parameters.loiter_hold_radius, @@ -1101,8 +1101,8 @@ FixedwingPositionControl::task_main() vehicle_airspeed_poll(); // vehicle_baro_poll(); - math::Vector2f ground_speed(_global_pos.vx, _global_pos.vy); - math::Vector2f current_position(_global_pos.lat / 1e7f, _global_pos.lon / 1e7f); + math::Vector<2> ground_speed(_global_pos.vx, _global_pos.vy); + math::Vector<2> current_position(_global_pos.lat / 1e7f, _global_pos.lon / 1e7f); /* * Attempt to control position, on success (= sensors present and not in manual mode), diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp index 7b6fad658..b4f7f2dfe 100644 --- a/src/modules/mavlink/mavlink_receiver.cpp +++ b/src/modules/mavlink/mavlink_receiver.cpp @@ -683,8 +683,8 @@ handle_message(mavlink_message_t *msg) /* Calculate Rotation Matrix */ math::Quaternion q(hil_state.attitude_quaternion); - math::Dcm C_nb(q); - math::EulerAngles euler(C_nb); + math::Matrix<3,3> C_nb = q.to_dcm(); + math::Vector<3> euler = C_nb.to_euler(); /* set rotation matrix */ for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) @@ -699,9 +699,9 @@ handle_message(mavlink_message_t *msg) hil_attitude.q[3] = q(3); hil_attitude.q_valid = true; - hil_attitude.roll = euler.getPhi(); - hil_attitude.pitch = euler.getTheta(); - hil_attitude.yaw = euler.getPsi(); + hil_attitude.roll = euler(0); + hil_attitude.pitch = euler(1); + hil_attitude.yaw = euler(2); hil_attitude.rollspeed = hil_state.rollspeed; hil_attitude.pitchspeed = hil_state.pitchspeed; hil_attitude.yawspeed = hil_state.yawspeed; diff --git a/src/modules/mc_att_control_vector/mc_att_control_vector_main.cpp b/src/modules/mc_att_control_vector/mc_att_control_vector_main.cpp index 76f053372..30c073c29 100644 --- a/src/modules/mc_att_control_vector/mc_att_control_vector_main.cpp +++ b/src/modules/mc_att_control_vector/mc_att_control_vector_main.cpp @@ -133,13 +133,11 @@ private: perf_counter_t _loop_perf; /**< loop performance counter */ - bool _att_sp_valid; /**< flag if the attitude setpoint is valid */ + math::Matrix<3, 3> _K; /**< diagonal gain matrix for position error */ + math::Matrix<3, 3> _K_rate_p; /**< diagonal gain matrix for angular rate error */ + math::Matrix<3, 3> _K_rate_d; /**< diagonal gain matrix for angular rate derivative */ - math::Matrix _K; /**< diagonal gain matrix for position error */ - math::Matrix _K_rate_p; /**< diagonal gain matrix for angular rate error */ - math::Matrix _K_rate_d; /**< diagonal gain matrix for angular rate derivative */ - - math::Vector3 _rates_prev; /**< angular rates on previous step */ + math::Vector<3> _rates_prev; /**< angular rates on previous step */ struct { param_t att_p; @@ -222,17 +220,7 @@ MulticopterAttitudeControl::MulticopterAttitudeControl() : _actuators_0_pub(-1), /* performance counters */ - _loop_perf(perf_alloc(PC_ELAPSED, "fw att control")), - -/* states */ - _att_sp_valid(false), - -/* gain matrices */ - _K(3, 3), - _K_rate_p(3, 3), - _K_rate_d(3, 3), - - _rates_prev(0.0f, 0.0f, 0.0f) + _loop_perf(perf_alloc(PC_ELAPSED, "fw att control")) { memset(&_att, 0, sizeof(_att)); @@ -241,6 +229,12 @@ MulticopterAttitudeControl::MulticopterAttitudeControl() : memset(&_control_mode, 0, sizeof(_control_mode)); memset(&_arming, 0, sizeof(_arming)); + _K.zero(); + _K_rate_p.zero(); + _K_rate_d.zero(); + + _rates_prev.zero(); + _parameter_handles.att_p = param_find("MC_ATT_P"); _parameter_handles.att_rate_p = param_find("MC_ATTRATE_P"); _parameter_handles.att_rate_d = param_find("MC_ATTRATE_D"); @@ -293,17 +287,14 @@ MulticopterAttitudeControl::parameters_update() param_get(_parameter_handles.yaw_rate_p, &yaw_rate_p); param_get(_parameter_handles.yaw_rate_d, &yaw_rate_d); - _K.setAll(0.0f); _K(0, 0) = att_p; _K(1, 1) = att_p; _K(2, 2) = yaw_p; - _K_rate_p.setAll(0.0f); _K_rate_p(0, 0) = att_rate_p; _K_rate_p(1, 1) = att_rate_p; _K_rate_p(2, 2) = yaw_rate_p; - _K_rate_d.setAll(0.0f); _K_rate_d(0, 0) = att_rate_d; _K_rate_d(1, 1) = att_rate_d; _K_rate_d(2, 2) = yaw_rate_d; @@ -348,7 +339,6 @@ MulticopterAttitudeControl::vehicle_setpoint_poll() if (att_sp_updated) { orb_copy(ORB_ID(vehicle_attitude_setpoint), _att_sp_sub, &_att_sp); - _att_sp_valid = true; } } @@ -401,6 +391,24 @@ MulticopterAttitudeControl::task_main() vehicle_manual_poll(); arming_status_poll(); + /* setpoint rotation matrix */ + math::Matrix<3, 3> R_sp; + R_sp.identity(); + + /* rotation matrix for current state */ + math::Matrix<3, 3> R; + R.identity(); + + /* current angular rates */ + math::Vector<3> rates; + rates.zero(); + + /* identity matrix */ + math::Matrix<3, 3> I; + I.identity(); + + math::Quaternion q; + bool reset_yaw_sp = true; /* wakeup source(s) */ @@ -486,6 +494,7 @@ MulticopterAttitudeControl::task_main() /* move yaw setpoint */ yaw_sp_move_rate = _manual.yaw; _att_sp.yaw_body = _wrap_pi(_att_sp.yaw_body + yaw_sp_move_rate * dt); + _att_sp.R_valid = false; publish_att_sp = true; } } @@ -494,6 +503,7 @@ MulticopterAttitudeControl::task_main() if (reset_yaw_sp) { reset_yaw_sp = false; _att_sp.yaw_body = _att.yaw; + _att_sp.R_valid = false; publish_att_sp = true; } @@ -501,11 +511,10 @@ MulticopterAttitudeControl::task_main() /* update attitude setpoint if not in position control mode */ _att_sp.roll_body = _manual.roll; _att_sp.pitch_body = _manual.pitch; + _att_sp.R_valid = false; publish_att_sp = true; } - _att_sp_valid = true; - } else { /* manual rate inputs (ACRO) */ // TODO @@ -528,17 +537,15 @@ MulticopterAttitudeControl::task_main() reset_yaw_sp = true; } - if (publish_att_sp || (_att_sp_valid && !_att_sp.R_valid)) { - /* controller uses rotation matrix, not euler angles, convert if necessary */ - math::EulerAngles euler_sp(_att_sp.roll_body, _att_sp.pitch_body, _att_sp.yaw_body); - math::Dcm R_sp(euler_sp); - - for (int i = 0; i < 3; i++) { - for (int j = 0; j < 3; j++) { - _att_sp.R_body[i][j] = R_sp(i, j); - } - } + if (_att_sp.R_valid) { + /* rotation matrix in _att_sp is valid, use it */ + R_sp.set(&_att_sp.R_body[0][0]); + } else { + /* rotation matrix in _att_sp is not valid, use euler angles instead */ + R_sp.from_euler(_att_sp.roll_body, _att_sp.pitch_body, _att_sp.yaw_body); + /* copy rotation matrix back to setpoint struct */ + memcpy(&_att_sp.R_body[0][0], &R_sp.data[0][0], sizeof(_att_sp.R_body)); _att_sp.R_valid = true; } @@ -554,41 +561,41 @@ MulticopterAttitudeControl::task_main() } } - /* desired rotation matrix */ - math::Dcm R_des(_att_sp.R_body); - /* rotation matrix for current state */ - math::Dcm R(_att.R); + R.set(_att.R); + /* current body angular rates */ - math::Vector3 rates(_att.rollspeed, _att.pitchspeed, _att.yawspeed); + rates(0) = _att.rollspeed; + rates(1) = _att.pitchspeed; + rates(2) = _att.yawspeed; /* try to move thrust vector shortest way, because yaw response is slower than roll/pitch */ - math::Vector3 R_z(R(0, 2), R(1, 2), R(2, 2)); - math::Vector3 R_des_z(R_des(0, 2), R_des(1, 2), R_des(2, 2)); + math::Vector<3> R_z(R(0, 2), R(1, 2), R(2, 2)); + math::Vector<3> R_sp_z(R_sp(0, 2), R_sp(1, 2), R_sp(2, 2)); /* axis and sin(angle) of desired rotation */ - math::Vector3 e_R = R.transpose() * R_z.cross(R_des_z); + math::Vector<3> e_R = R.transposed() * (R_z % R_sp_z); /* calculate angle error */ - float e_R_z_sin = e_R.norm(); - float e_R_z_cos = R_z * R_des_z; + float e_R_z_sin = e_R.length(); + float e_R_z_cos = R_z * R_sp_z; /* calculate weight for yaw control */ - float yaw_w = R_des(2, 2) * R_des(2, 2); + float yaw_w = R_sp(2, 2) * R_sp(2, 2); /* calculate rotation matrix after roll/pitch only rotation */ - math::Matrix R_rp(3, 3); + math::Matrix<3, 3> R_rp; if (e_R_z_sin > 0.0f) { /* get axis-angle representation */ float e_R_z_angle = atan2f(e_R_z_sin, e_R_z_cos); - math::Vector3 e_R_z_axis = e_R / e_R_z_sin; + math::Vector<3> e_R_z_axis = e_R / e_R_z_sin; e_R = e_R_z_axis * e_R_z_angle; /* cross product matrix for e_R_axis */ - math::Matrix e_R_cp(3, 3); - e_R_cp.setAll(0.0f); + math::Matrix<3, 3> e_R_cp; + e_R_cp.zero(); e_R_cp(0, 1) = -e_R_z_axis(2); e_R_cp(0, 2) = e_R_z_axis(1); e_R_cp(1, 0) = e_R_z_axis(2); @@ -597,11 +604,6 @@ MulticopterAttitudeControl::task_main() e_R_cp(2, 1) = e_R_z_axis(0); /* rotation matrix for roll/pitch only rotation */ - math::Matrix I(3, 3); - I.setAll(0.0f); - I(0, 0) = 1.0f; - I(1, 1) = 1.0f; - I(2, 2) = 1.0f; R_rp = R * (I + e_R_cp * e_R_z_sin + e_R_cp * e_R_cp * (1.0f - e_R_z_cos)); } else { @@ -609,17 +611,17 @@ MulticopterAttitudeControl::task_main() R_rp = R; } - /* R_rp and R_des has the same Z axis, calculate yaw error */ - math::Vector3 R_des_x(R_des(0, 0), R_des(1, 0), R_des(2, 0)); - math::Vector3 R_rp_x(R_rp(0, 0), R_rp(1, 0), R_rp(2, 0)); - e_R(2) = atan2f(R_rp_x.cross(R_des_x) * R_des_z, R_rp_x * R_des_x) * yaw_w; + /* R_rp and R_sp has the same Z axis, calculate yaw error */ + math::Vector<3> R_sp_x(R_sp(0, 0), R_sp(1, 0), R_sp(2, 0)); + math::Vector<3> R_rp_x(R_rp(0, 0), R_rp(1, 0), R_rp(2, 0)); + e_R(2) = atan2f((R_rp_x % R_sp_x) * R_sp_z, R_rp_x * R_sp_x) * yaw_w; if (e_R_z_cos < 0.0) { /* for large thrust vector rotations use another rotation method: - * calculate angle and axis for R -> R_des rotation directly */ - math::Quaternion q(R.transpose() * R_des); - float angle_d = 2.0f * atan2f(sqrtf(q.getB() * q.getB() + q.getC() * q.getC() + q.getD() * q.getD()), q.getA()); - math::Vector3 e_R_d(q.getB(), q.getC(), q.getD()); + * calculate angle and axis for R -> R_sp rotation directly */ + q.from_dcm(R.transposed() * R_sp); + math::Vector<3> e_R_d = q.imag(); + float angle_d = 2.0f * atan2f(e_R_d.length(), q(0)); /* use fusion of Z axis based rotation and direct rotation */ float direct_w = e_R_z_cos * e_R_z_cos * yaw_w; @@ -627,11 +629,11 @@ MulticopterAttitudeControl::task_main() } /* angular rates setpoint*/ - math::Vector3 rates_sp = _K * e_R; + math::Vector<3> rates_sp = _K * e_R; /* feed forward yaw setpoint rate */ rates_sp(2) += yaw_sp_move_rate * yaw_w; - math::Vector3 control = _K_rate_p * (rates_sp - rates) + _K_rate_d * (_rates_prev - rates) / fmaxf(dt, 0.003f); + math::Vector<3> control = _K_rate_p * (rates_sp - rates) + _K_rate_d * (_rates_prev - rates) / fmaxf(dt, 0.003f); _rates_prev = rates; /* publish the attitude rates setpoint */ diff --git a/src/modules/navigator/navigator_main.cpp b/src/modules/navigator/navigator_main.cpp index f6c44444a..04307d96b 100644 --- a/src/modules/navigator/navigator_main.cpp +++ b/src/modules/navigator/navigator_main.cpp @@ -422,11 +422,11 @@ Navigator::task_main() mission_poll(); - math::Vector2f ground_speed(_global_pos.vx, _global_pos.vy); + math::Vector<2> ground_speed(_global_pos.vx, _global_pos.vy); // Current waypoint - math::Vector2f next_wp(_global_triplet.current.lat / 1e7f, _global_triplet.current.lon / 1e7f); + math::Vector<2> next_wp(_global_triplet.current.lat / 1e7f, _global_triplet.current.lon / 1e7f); // Global position - math::Vector2f current_position(_global_pos.lat / 1e7f, _global_pos.lon / 1e7f); + math::Vector<2> current_position(_global_pos.lat / 1e7f, _global_pos.lon / 1e7f); /* AUTONOMOUS FLIGHT */ @@ -436,19 +436,19 @@ Navigator::task_main() if (_mission_valid) { // Next waypoint - math::Vector2f prev_wp; + math::Vector<2> prev_wp; if (_global_triplet.previous_valid) { - prev_wp.setX(_global_triplet.previous.lat / 1e7f); - prev_wp.setY(_global_triplet.previous.lon / 1e7f); + prev_wp(0) = _global_triplet.previous.lat / 1e7f; + prev_wp(1) = _global_triplet.previous.lon / 1e7f; } else { /* * No valid next waypoint, go for heading hold. * This is automatically handled by the L1 library. */ - prev_wp.setX(_global_triplet.current.lat / 1e7f); - prev_wp.setY(_global_triplet.current.lon / 1e7f); + prev_wp(0) = _global_triplet.current.lat / 1e7f; + prev_wp(1) = _global_triplet.current.lon / 1e7f; } diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index f99312f8c..9e2eeafa4 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -211,8 +211,8 @@ private: struct differential_pressure_s _diff_pres; struct airspeed_s _airspeed; - math::Matrix _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ - math::Matrix _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ + math::Matrix<3,3> _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ + math::Matrix<3,3> _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ bool _mag_is_external; /**< true if the active mag is on an external board */ struct { @@ -465,8 +465,6 @@ Sensors::Sensors() : /* performance counters */ _loop_perf(perf_alloc(PC_ELAPSED, "sensor task update")), - _board_rotation(3, 3), - _external_mag_rotation(3, 3), _mag_is_external(false) { @@ -920,7 +918,7 @@ Sensors::accel_poll(struct sensor_combined_s &raw) orb_copy(ORB_ID(sensor_accel), _accel_sub, &accel_report); - math::Vector3 vect = {accel_report.x, accel_report.y, accel_report.z}; + math::Vector<3> vect(accel_report.x, accel_report.y, accel_report.z); vect = _board_rotation * vect; raw.accelerometer_m_s2[0] = vect(0); @@ -946,7 +944,7 @@ Sensors::gyro_poll(struct sensor_combined_s &raw) orb_copy(ORB_ID(sensor_gyro), _gyro_sub, &gyro_report); - math::Vector3 vect = {gyro_report.x, gyro_report.y, gyro_report.z}; + math::Vector<3> vect(gyro_report.x, gyro_report.y, gyro_report.z); vect = _board_rotation * vect; raw.gyro_rad_s[0] = vect(0); @@ -972,7 +970,7 @@ Sensors::mag_poll(struct sensor_combined_s &raw) orb_copy(ORB_ID(sensor_mag), _mag_sub, &mag_report); - math::Vector3 vect = {mag_report.x, mag_report.y, mag_report.z}; + math::Vector<3> vect(mag_report.x, mag_report.y, mag_report.z); if (_mag_is_external) vect = _external_mag_rotation * vect; diff --git a/src/systemcmds/tests/module.mk b/src/systemcmds/tests/module.mk index 68a080c77..4fbd296d2 100644 --- a/src/systemcmds/tests/module.mk +++ b/src/systemcmds/tests/module.mk @@ -24,6 +24,7 @@ SRCS = test_adc.c \ test_uart_loopback.c \ test_uart_send.c \ test_mixer.cpp \ + test_mathlib.cpp \ test_file.c \ tests_main.c \ test_param.c \ diff --git a/src/systemcmds/tests/test_mathlib.cpp b/src/systemcmds/tests/test_mathlib.cpp new file mode 100644 index 000000000..693a208ba --- /dev/null +++ b/src/systemcmds/tests/test_mathlib.cpp @@ -0,0 +1,159 @@ +/**************************************************************************** + * + * Copyright (c) 2013 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file test_mathlib.cpp + * + * Mathlib test + */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include <time.h> +#include <mathlib/mathlib.h> +#include <systemlib/err.h> +#include <drivers/drv_hrt.h> + +#include "tests.h" + +#define TEST_OP(_title, _op) { unsigned int n = 60000; hrt_abstime t0, t1; t0 = hrt_absolute_time(); for (unsigned int j = 0; j < n; j++) { _op; }; t1 = hrt_absolute_time(); warnx(_title ": %.6fus", (double)(t1 - t0) / n); } + +using namespace math; + +const char* formatResult(bool res) { + return res ? "OK" : "ERROR"; +} + +int test_mathlib(int argc, char *argv[]) +{ + warnx("testing mathlib"); + + { + Vector<2> v; + Vector<2> v1(1.0f, 2.0f); + Vector<2> v2(1.0f, -1.0f); + float data[2] = {1.0f, 2.0f}; + TEST_OP("Constructor Vector<2>()", Vector<2> v3); + TEST_OP("Constructor Vector<2>(Vector<2>)", Vector<2> v3(v1)); + TEST_OP("Constructor Vector<2>(float[])", Vector<2> v3(data)); + TEST_OP("Constructor Vector<2>(float, float)", Vector<2> v3(1.0f, 2.0f)); + TEST_OP("Vector<2> = Vector<2>", v = v1); + TEST_OP("Vector<2> + Vector<2>", v + v1); + TEST_OP("Vector<2> - Vector<2>", v - v1); + TEST_OP("Vector<2> += Vector<2>", v += v1); + TEST_OP("Vector<2> -= Vector<2>", v -= v1); + TEST_OP("Vector<2> * Vector<2>", v * v1); + TEST_OP("Vector<2> %% Vector<2>", v1 % v2); + } + + { + Vector<3> v; + Vector<3> v1(1.0f, 2.0f, 0.0f); + Vector<3> v2(1.0f, -1.0f, 2.0f); + float data[3] = {1.0f, 2.0f, 3.0f}; + TEST_OP("Constructor Vector<3>()", Vector<3> v3); + TEST_OP("Constructor Vector<3>(Vector<3>)", Vector<3> v3(v1)); + TEST_OP("Constructor Vector<3>(float[])", Vector<3> v3(data)); + TEST_OP("Constructor Vector<3>(float, float, float)", Vector<3> v3(1.0f, 2.0f, 3.0f)); + TEST_OP("Vector<3> = Vector<3>", v = v1); + TEST_OP("Vector<3> + Vector<3>", v + v1); + TEST_OP("Vector<3> - Vector<3>", v - v1); + TEST_OP("Vector<3> += Vector<3>", v += v1); + TEST_OP("Vector<3> -= Vector<3>", v -= v1); + TEST_OP("Vector<3> * float", v1 * 2.0f); + TEST_OP("Vector<3> / float", v1 / 2.0f); + TEST_OP("Vector<3> *= float", v1 *= 2.0f); + TEST_OP("Vector<3> /= float", v1 /= 2.0f); + TEST_OP("Vector<3> * Vector<3>", v * v1); + TEST_OP("Vector<3> %% Vector<3>", v1 % v2); + TEST_OP("Vector<3> length", v1.length()); + TEST_OP("Vector<3> length squared", v1.length_squared()); + TEST_OP("Vector<3> element read", volatile float a = v1(0)); + TEST_OP("Vector<3> element read direct", volatile float a = v1.data[0]); + TEST_OP("Vector<3> element write", v1(0) = 1.0f); + TEST_OP("Vector<3> element write direct", v1.data[0] = 1.0f); + } + + { + Vector<4> v; + Vector<4> v1(1.0f, 2.0f, 0.0f, -1.0f); + Vector<4> v2(1.0f, -1.0f, 2.0f, 0.0f); + float data[4] = {1.0f, 2.0f, 3.0f, 4.0f}; + TEST_OP("Constructor Vector<4>()", Vector<4> v3); + TEST_OP("Constructor Vector<4>(Vector<4>)", Vector<4> v3(v1)); + TEST_OP("Constructor Vector<4>(float[])", Vector<4> v3(data)); + TEST_OP("Constructor Vector<4>(float, float, float, float)", Vector<4> v3(1.0f, 2.0f, 3.0f, 4.0f)); + TEST_OP("Vector<4> = Vector<4>", v = v1); + TEST_OP("Vector<4> + Vector<4>", v + v1); + TEST_OP("Vector<4> - Vector<4>", v - v1); + TEST_OP("Vector<4> += Vector<4>", v += v1); + TEST_OP("Vector<4> -= Vector<4>", v -= v1); + TEST_OP("Vector<4> * Vector<4>", v * v1); + } + + { + Vector<10> v1; + v1.zero(); + float data[10]; + TEST_OP("Constructor Vector<10>()", Vector<10> v3); + TEST_OP("Constructor Vector<10>(Vector<10>)", Vector<10> v3(v1)); + TEST_OP("Constructor Vector<10>(float[])", Vector<10> v3(data)); + } + + { + Matrix<3, 3> m1; + m1.identity(); + Matrix<3, 3> m2; + m2.identity(); + Vector<3> v1(1.0f, 2.0f, 0.0f); + TEST_OP("Matrix<3, 3> * Vector<3>", m1 * v1); + TEST_OP("Matrix<3, 3> + Matrix<3, 3>", m1 + m2); + TEST_OP("Matrix<3, 3> * Matrix<3, 3>", m1 * m2); + } + + { + Matrix<10, 10> m1; + m1.identity(); + Matrix<10, 10> m2; + m2.identity(); + Vector<10> v1; + v1.zero(); + TEST_OP("Matrix<10, 10> * Vector<10>", m1 * v1); + TEST_OP("Matrix<10, 10> + Matrix<10, 10>", m1 + m2); + TEST_OP("Matrix<10, 10> * Matrix<10, 10>", m1 * m2); + } + + return 0; +} diff --git a/src/systemcmds/tests/tests.h b/src/systemcmds/tests/tests.h index a57d04be3..6420d3798 100644 --- a/src/systemcmds/tests/tests.h +++ b/src/systemcmds/tests/tests.h @@ -109,6 +109,7 @@ extern int test_bson(int argc, char *argv[]); extern int test_file(int argc, char *argv[]); extern int test_mixer(int argc, char *argv[]); extern int test_rc(int argc, char *argv[]); +extern int test_mathlib(int argc, char *argv[]); __END_DECLS diff --git a/src/systemcmds/tests/tests_main.c b/src/systemcmds/tests/tests_main.c index 1088a4407..5fab8f82e 100644 --- a/src/systemcmds/tests/tests_main.c +++ b/src/systemcmds/tests/tests_main.c @@ -106,6 +106,7 @@ const struct { {"file", test_file, 0}, {"mixer", test_mixer, OPT_NOJIGTEST | OPT_NOALLTEST}, {"rc", test_rc, OPT_NOJIGTEST | OPT_NOALLTEST}, + {"mathlib", test_mathlib, 0}, {"help", test_help, OPT_NOALLTEST | OPT_NOHELP | OPT_NOJIGTEST}, {NULL, NULL, 0} }; |