m_constants.h

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// --------------------------------------------------------------------------
// DISPLACE: DYNAMIC INDIVIDUAL VESSEL-BASED SPATIAL PLANNING
// AND EFFORT DISPLACEMENT
// Copyright (c) 2012-2019 Francois Bastardie <fba@aqua.dtu.dk>

//    This program is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.

//    This program is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.

//    You should have received a copy of the GNU General Public License along
//    with this program; if not, write to the Free Software Foundation, Inc.,
//    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
// --------------------------------------------------------------------------


#ifndef M_CONSTANTS_H
#define M_CONSTANTS_H

#ifndef M_PI
#define M_PI        3.14159265358979323846
#endif

#ifndef M_E
#define M_E     2.7182818284590452354
#endif

#ifndef M_LOG2E
#define M_LOG2E     1.4426950408889634074
#endif

#ifndef M_LOG10E
#define M_LOG10E    0.43429448190325182765
#endif

#ifndef M_LN2
#define M_LN2       0.69314718055994530942
#endif

#ifndef M_LN10
#define M_LN10      2.30258509299404568402
#endif

#ifndef M_PI_2
#define M_PI_2      1.57079632679489661923
#endif

#ifndef M_PI_4
#define M_PI_4      0.78539816339744830962
#endif

#ifndef M_1_PI
#define M_1_PI      0.31830988618379067154
#endif

#ifndef M_2_PI
#define M_2_PI      0.63661977236758134308
#endif

#ifndef M_2_SQRTPI
#define M_2_SQRTPI  1.12837916709551257390
#endif

#ifndef M_SQRT2
#define M_SQRT2     1.41421356237309504880
#endif

#ifndef M_SQRT1_2
#define M_SQRT1_2   0.70710678118654752440
#endif

#endif // M_CONSTANTS_H