apps/plugins/pdbox/math.h

   1 /***************************************************************************
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   8  * $Id$
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  10  * Copyright (C) 2009 Wincent Balin
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 /* Everything taken from <math.h> -- W.B. */
  23
  24 #ifndef MATH_H
  25 #define MATH_H
  26
  27 /* Useful constants. */
  28 # define M_E            2.7182818284590452354   /* e */
  29 # define M_LOG2E        1.4426950408889634074   /* log_2 e */
  30 # define M_LOG10E       0.43429448190325182765  /* log_10 e */
  31 # define M_LN2          0.69314718055994530942  /* log_e 2 */
  32 # define M_LN10         2.30258509299404568402  /* log_e 10 */
  33 # define M_PI           3.14159265358979323846  /* pi */
  34 # define M_PI_2         1.57079632679489661923  /* pi/2 */
  35 # define M_PI_4         0.78539816339744830962  /* pi/4 */
  36 # define M_1_PI         0.31830988618379067154  /* 1/pi */
  37 # define M_2_PI         0.63661977236758134308  /* 2/pi */
  38 # define M_2_SQRTPI     1.12837916709551257390  /* 2/sqrt(pi) */
  39 # define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
  40 # define M_SQRT1_2      0.70710678118654752440  /* 1/sqrt(2) */
  41
  42
  43 # define M_El           2.7182818284590452353602874713526625L  /* e */
  44 # define M_LOG2El       1.4426950408889634073599246810018921L  /* log_2 e */
  45 # define M_LOG10El      0.4342944819032518276511289189166051L  /* log_10 e */
  46 # define M_LN2l         0.6931471805599453094172321214581766L  /* log_e 2 */
  47 # define M_LN10l        2.3025850929940456840179914546843642L  /* log_e 10 */
  48 # define M_PIl          3.1415926535897932384626433832795029L  /* pi */
  49 # define M_PI_2l        1.5707963267948966192313216916397514L  /* pi/2 */
  50 # define M_PI_4l        0.7853981633974483096156608458198757L  /* pi/4 */
  51 # define M_1_PIl        0.3183098861837906715377675267450287L  /* 1/pi */
  52 # define M_2_PIl        0.6366197723675813430755350534900574L  /* 2/pi */
  53 # define M_2_SQRTPIl    1.1283791670955125738961589031215452L  /* 2/sqrt(pi) */
  54 # define M_SQRT2l       1.4142135623730950488016887242096981L  /* sqrt(2) */
  55 # define M_SQRT1_2l     0.7071067811865475244008443621048490L  /* 1/sqrt(2) */
  56
  57
  58
  59 #endif /* MATH_H */