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Diffstat (limited to 'apps/mathlib/math/Quaternion.hpp')
-rw-r--r-- | apps/mathlib/math/Quaternion.hpp | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/apps/mathlib/math/Quaternion.hpp b/apps/mathlib/math/Quaternion.hpp new file mode 100644 index 000000000..4b4e959d8 --- /dev/null +++ b/apps/mathlib/math/Quaternion.hpp @@ -0,0 +1,115 @@ +/**************************************************************************** + * + * 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.hpp + * + * math quaternion lib + */ + +//#pragma once + +#include "Vector.hpp" +#include "Matrix.hpp" + +namespace math +{ + +class Dcm; +class EulerAngles; + +class __EXPORT Quaternion : public Vector +{ +public: + + /** + * default ctor + */ + Quaternion(); + + /** + * ctor from floats + */ + Quaternion(float a, float b, float c, float d); + + /** + * ctor from data + */ + Quaternion(const float *data); + + /** + * ctor from Vector + */ + Quaternion(const Vector &v); + + /** + * ctor from EulerAngles + */ + Quaternion(const EulerAngles &euler); + + /** + * ctor from Dcm + */ + Quaternion(const Dcm &dcm); + + /** + * deep copy ctor + */ + Quaternion(const Quaternion &right); + + /** + * dtor + */ + virtual ~Quaternion(); + + /** + * derivative + */ + Vector derivative(const Vector &w); + + /** + * accessors + */ + 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); } +}; + +int __EXPORT quaternionTest(); +} // math + |