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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    _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 */