/* Copyright (C) 1999 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
#ifndef _MATH_H
#define _MATH_H

//extern int stdcall integer(float number);

extern double   acos(double _x);
extern double   asin(double _x);
extern double   atan(double _x);
extern double   atan2(double _y, double _x);
extern double   ceil(double _x);
extern double   cos(double _x);
extern double   cosh(double _x);
extern double   exp(double _x);
extern double   fabs(double _x);
extern double   floor(double _x);
extern double   fmod(double _x, double _y);
extern double   frexp(double _x, int *_pexp);
extern double   ldexp(double _x, int _exp);
extern double   log(double _y);
extern double   log10(double _x);
extern double   modf(double _x, double *_pint);
extern double   pow(double _x, double _y);
extern double   sin(double _x);
extern double   sinh(double _x);
extern double   sqrt(double _x);
extern double   tan(double _x);
extern double   tanh(double _x);

//#ifndef __STRICT_ANSI__

//#ifndef _POSIX_SOURCE

#define M_E             2.7182818284590452354
#define M_LOG2E         1.4426950408889634074
#define M_LOG10E        0.43429448190325182765
#define M_LN2           0.69314718055994530942
#define M_LN10          2.30258509299404568402
#define M_PI            3.14159265358979323846
#define M_PI_2          1.57079632679489661923
#define M_PI_4          0.78539816339744830962
#define M_1_PI          0.31830988618379067154
#define M_2_PI          0.63661977236758134308
#define M_2_SQRTPI      1.12837916709551257390
#define M_SQRT2         1.41421356237309504880
#define M_SQRT1_2       0.70710678118654752440
#define PI              M_PI
#define PI2             M_PI_2

extern double   acosh(double);
extern double   asinh(double);
extern double   atanh(double);
extern double   cbrt(double);
extern double   exp10(double _x);
extern double   exp2(double _x);
extern double   expm1(double);
extern double   hypot(double, double);
extern double   log1p(double);
extern double   log2(double _x);
extern long double modfl(long double _x, long double *_pint);
extern double   pow10(double _x);
extern double   pow2(double _x);
extern double   powi(double, int);
extern void     sincos(double *, double *, double);

/* These are in libm.a (Cygnus).  You must link -lm to get these */
/* See libm/math.h for comments */
/*
#ifndef __cplusplus
struct exception {
        int type;
        const char *name;
        double arg1;
        double arg2;
        double retval;
        int err;
};
#endif
*/

extern double erf(double);
extern double erfc(double);
extern double gamma(double);
extern int isinf(double);
extern int isnan(double);
extern int finite(double);
extern double j0(double);
extern double j1(double);
extern double jn(int, double);
extern double lgamma(double);
extern double nan(void);
extern double y0(double);
extern double y1(double);
extern double yn(int, double);
extern double logb(double);
extern double nextafter(double, double);
extern double remainder(double, double);
extern double scalb(double, double);
//#ifndef __cplusplus
//extern int matherr(struct exception *);
//#endif
extern double significand(double);
extern double copysign(double, double);
extern int ilogb(double);
extern double rint(double);
extern double scalbn(double, int);
extern double drem(double, double);
extern double gamma_r(double, int *);
extern double lgamma_r(double, int *);
extern float acosf(float);
extern float asinf(float);
extern float atanf(float);
extern float atan2f(float, float);
extern float cosf(float);
extern float sinf(float);
extern float tanf(float);
extern float coshf(float);
extern float sinhf(float);
extern float tanhf(float);
extern float expf(float);
extern float frexpf(float, int *);
extern float ldexpf(float, int);
extern float logf(float);
extern float log10f(float);
extern float modff(float, float *);
extern float powf(float, float);
extern float sqrtf(float);
extern float ceilf(float);
extern float fabsf(float);
extern float floorf(float);
extern float fmodf(float, float);
extern float erff(float);
extern float erfcf(float);
extern float gammaf(float);
extern float hypotf(float, float);
extern int isinff(float);
extern int isnanf(float);
extern int finitef(float);
extern float j0f(float);
extern float j1f(float);
extern float jnf(int, float);
extern float lgammaf(float);
extern float nanf(void);
extern float y0f(float);
extern float y1f(float);
extern float ynf(int, float);
extern float acoshf(float);
extern float asinhf(float);
extern float atanhf(float);
extern float cbrtf(float);
extern float logbf(float);
extern float nextafterf(float, float);
extern float remainderf(float, float);
extern float scalbf(float, float);
extern float significandf(float);
extern float copysignf(float, float);
extern int ilogbf(float);
extern float rintf(float);
extern float scalbnf(float, int);
extern float dremf(float, float);
extern float expm1f(float);
extern float log1pf(float);
extern float gammaf_r(float, int *);
extern float lgammaf_r(float, int *);

double round  (double x);
long double roundl  (long double x);

#ifndef NAN
# define NAN	(__nan__)
#endif

#ifndef INFINITY
# define INFINITY	(__inf__)
#endif


//#endif /* !_POSIX_SOURCE */
//#endif /* !__STRICT_ANSI__ */
//#endif /* !__dj_ENFORCE_ANSI_FREESTANDING */

//#ifndef __dj_ENFORCE_FUNCTION_CALLS
//#endif /* !__dj_ENFORCE_FUNCTION_CALLS */

//#ifdef __cplusplus
//}
//#endif

//#endif /* _USE_LIBM_MATH_H */

//#endif /* !__dj_include_math_h_ */
#endif