newlib/libm/mathfp/zmath.h

   1 #ifndef __ZMATH_H
   2 #define __ZMATH_H
   3
   4 #include <errno.h>
   5
   6 #define NUM 3
   7 #define NAN 2
   8 #define INF 1
   9
  10 #define __PI 3.14159265358979323846
  11 #define __SQRT_HALF 0.70710678118654752440
  12 #define __PI_OVER_TWO 1.57079632679489661923132
  13
  14 extern double BIGX;
  15 extern double SMALLX;
  16
  17 typedef const union
  18 {
  19   long l[2];
  20   double d;
  21 } udouble;
  22
  23 typedef const union
  24 {
  25   long l;
  26   float f;
  27 } ufloat;
  28
  29 extern double BIGX;
  30 extern double SMALLX;
  31
  32 extern udouble z_infinity;
  33 extern udouble z_notanum;
  34 extern double  z_rooteps;
  35
  36 extern ufloat  z_infinity_f;
  37 extern ufloat  z_notanum_f;
  38 extern float   z_rooteps_f;
  39
  40 /* Core math routines. */
  41
  42 int    numtest (double);
  43 int    numtestf (float);
  44 double logarithm (double, int);
  45 float  logarithmf (float, int);
  46 double sine (double, int);
  47 float  sinef (float, int);
  48 double asine (double, int);
  49 float  asinef (float, int);
  50 double atangent (double, double, double, int);
  51 float  atangentf (float, float, float, int);
  52 double sineh (double, int);
  53 float  sinehf (float, int);
  54
  55 #endif /* no __ZMATH_H */