px4-firmware/mathlib/mathlib.h

71 lines
2.3 KiB
C++

/****************************************************************************
*
* Copyright (C) 2012, 2014 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 mathlib.h
*
* Target specific math functions and definitions
*
* @author Siddharth Bharat Purohit <siddharthbharatpurohit@gmail.com>
*/
#ifndef MATHLIB_H
#define MATHLIB_H
#ifdef ECL_STANDALONE
#ifndef M_PI_F
#define M_PI_F 3.14159265358979323846f
#endif
#ifndef M_PI_2_F
#define M_PI_2_F (M_PI / 2.0f)
#endif
namespace math
{
// using namespace Eigen;
float min(float val1, float val2);
float max(float val1, float val2);
float constrain(float val, float min, float max);
float radians(float degrees);
float degrees(float radians);
}
#else
#include <mathlib/mathlib.h>
#endif //ECL_STANDALONE
#endif //MATHLIB_H