include/mathconst.h

   1 /*
   2  * mathconst.h - mathematic constants
   3  */
   4 /* $Header$ */
   5
   6 #ifndef _MATHCONST_H
   7 #define _MATHCONST_H
   8
   9 /* Some constants (Hart & Cheney) */
  10 #define M_PI            3.14159265358979323846264338327950288
  11 #define M_2PI           6.28318530717958647692528676655900576
  12 #define M_3PI_4         2.35619449019234492884698253745962716
  13 #define M_PI_2          1.57079632679489661923132169163975144
  14 #define M_3PI_8         1.17809724509617246442349126872981358
  15 #define M_PI_4          0.78539816339744830961566084581987572
  16 #define M_PI_8          0.39269908169872415480783042290993786
  17 #define M_1_PI          0.31830988618379067153776752674502872
  18 #define M_2_PI          0.63661977236758134307553505349005744
  19 #define M_4_PI          1.27323954473516268615107010698011488
  20 #define M_E             2.71828182845904523536028747135266250
  21 #define M_LOG2E         1.44269504088896340735992468100189213
  22 #define M_LOG10E        0.43429448190325182765112891891660508
  23 #define M_LN2           0.69314718055994530941723212145817657
  24 #define M_LN10          2.30258509299404568401799145468436421
  25 #define M_SQRT2         1.41421356237309504880168872420969808
  26 #define M_1_SQRT2       0.70710678118654752440084436210484904
  27 #define M_EULER         0.57721566490153286060651209008240243
  28 #define M_SQRT1_2       0.70710678118654752440084436210484904
  29
  30 #endif /* _MATHCONST_H */