mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-24 07:31:32 +00:00
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#ifndef __ZMATH_H
|
|
#define __ZMATH_H
|
|
|
|
#include <errno.h>
|
|
|
|
#define NUM 3
|
|
#define NAN 2
|
|
#define INF 1
|
|
|
|
#define __PI 3.14159265358979323846
|
|
#define __SQRT_HALF 0.70710678118654752440
|
|
#define __PI_OVER_TWO 1.57079632679489661923132
|
|
|
|
extern double BIGX;
|
|
extern double SMALLX;
|
|
|
|
typedef const union
|
|
{
|
|
long l[2];
|
|
double d;
|
|
} udouble;
|
|
|
|
typedef const union
|
|
{
|
|
long l;
|
|
float f;
|
|
} ufloat;
|
|
|
|
extern double BIGX;
|
|
extern double SMALLX;
|
|
|
|
extern udouble z_infinity;
|
|
extern udouble z_notanum;
|
|
extern double z_rooteps;
|
|
|
|
extern ufloat z_infinity_f;
|
|
extern ufloat z_notanum_f;
|
|
extern float z_rooteps_f;
|
|
|
|
/* Core math routines. */
|
|
|
|
int _EXFUN (numtest, (double));
|
|
int _EXFUN (numtestf, (float));
|
|
double _EXFUN (logarithm, (double, int));
|
|
float _EXFUN (logarithmf, (float, int));
|
|
double _EXFUN (sine, (double, int));
|
|
float _EXFUN (sinef, (float, int));
|
|
double _EXFUN (asine, (double, int));
|
|
float _EXFUN (asinef, (float, int));
|
|
double _EXFUN (atangent, (double, double, double, int));
|
|
float _EXFUN (atangentf, (float, float, float, int));
|
|
double _EXFUN (sineh, (double, int));
|
|
float _EXFUN (sinehf, (float, int));
|
|
|
|
#endif /* no __ZMATH_H */
|