diff options
Diffstat (limited to 'src/lib/mathlib/math/Quaternion.hpp')
| -rw-r--r-- | src/lib/mathlib/math/Quaternion.hpp | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/src/lib/mathlib/math/Quaternion.hpp b/src/lib/mathlib/math/Quaternion.hpp index c19dbd29c..54d4e72ab 100644 --- a/src/lib/mathlib/math/Quaternion.hpp +++ b/src/lib/mathlib/math/Quaternion.hpp @@ -1,8 +1,9 @@ /**************************************************************************** * * Copyright (C) 2013 PX4 Development Team. All rights reserved. - * Author: Will Perone <will.perone@gmail.com> - * Anton Babushkin <anton.babushkin@me.com> + * 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 @@ -36,7 +37,7 @@ /** * @file Quaternion.hpp * - * Quaternion + * Quaternion class */ #ifndef QUATERNION_HPP @@ -50,31 +51,32 @@ namespace math { -template <unsigned int N, unsigned int M> -class Matrix; - -class Quaternion : public Vector<4> { +class __EXPORT Quaternion : public Vector<4> { public: /** * trivial ctor */ - Quaternion() : Vector() { - } + Quaternion() : Vector<4>() {} /** - * setting ctor + * copy ctor */ - Quaternion(const float a0, const float b0, const float c0, const float d0): Vector(a0, b0, c0, d0) { - } + Quaternion(const Quaternion &q) : Vector<4>(q) {} - Quaternion(const Vector<4> &v) : Vector(v) { - } + /** + * casting from vector + */ + Quaternion(const Vector<4> &v) : Vector<4>(v) {} - Quaternion(const Quaternion &q) : Vector(q) { - } + /** + * setting ctor + */ + Quaternion(const float d[4]) : Vector<4>(d) {} - Quaternion(const float v[4]) : Vector(v) { - } + /** + * setting ctor + */ + Quaternion(const float a0, const float b0, const float c0, const float d0): Vector<4>(a0, b0, c0, d0) {} using Vector<4>::operator *; @@ -138,8 +140,10 @@ public: 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; } }; + } #endif // QUATERNION_HPP |