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#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 numtest (double);
int numtestf (float);
double logarithm (double, int);
float logarithmf (float, int);
double sine (double, int);
float sinef (float, int);
double asine (double, int);
float asinef (float, int);
double atangent (double, double, double, int);
float atangentf (float, float, float, int);
double sineh (double, int);
float sinehf (float, int);
#endif /* no __ZMATH_H */
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