newlib-cygwin/newlib/libm/mathfp/zmath.h

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2000-02-18 03:39:52 +08:00
#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 */