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Diffstat (limited to 'src/lib/mathlib/math/Quaternion.cpp')
| -rw-r--r-- | src/lib/mathlib/math/Quaternion.cpp | 174 |
1 files changed, 0 insertions, 174 deletions
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 |