/* math.h
Definitions for the math floating point package.
Copyright (c) 1987, 1991 by Borland International
All Rights Reserved.
*/
#ifndef __MATH_H
#define __MATH_H
#if !defined( __DEFS_H )
#include <_defs.h>
#endif
#define HUGE_VAL _huge_dble
extern double _Cdecl _huge_dble;
#define _LHUGE_VAL _huge_ldble
extern long double _Cdecl _huge_ldble;
#ifdef __cplusplus
extern "C" {
#endif
double _Cdecl acos (double __x);
double _Cdecl asin (double __x);
double _Cdecl atan (double __x);
double _Cdecl atan2 (double __y, double __x);
double _Cdecl ceil (double __x);
double _Cdecl cos (double __x);
double _Cdecl cosh (double __x);
double _Cdecl exp (double __x);
double _Cdecl fabs (double __x);
double _Cdecl __fabs__ (double __x); /* Intrinsic */
double _Cdecl floor (double __x);
double _Cdecl fmod (double __x, double __y);
double _Cdecl frexp (double __x, int *__exponent);
double _Cdecl ldexp (double __x, int __exponent);
double _Cdecl log (double __x);
double _Cdecl log10 (double __x);
double _Cdecl modf (double __x, double *__ipart);
double _Cdecl pow (double __x, double __y);
double _Cdecl sin (double __x);
double _Cdecl sinh (double __x);
double _Cdecl sqrt (double __x);
double _Cdecl tan (double __x);
double _Cdecl tanh (double __x);
long double _Cdecl acosl (long double __x);
long double _Cdecl asinl (long double __x);
long double _Cdecl atan2l (long double __x, long double __y);
long double _Cdecl atanl (long double __x);
long double _Cdecl ceill (long double __x);
long double _Cdecl coshl (long double __x);
long double _Cdecl cosl (long double __x);
long double _Cdecl expl (long double __x);
long double _Cdecl fabsl (long double __x);
long double _Cdecl floorl (long double __x);
long double _Cdecl fmodl (long double __x, long double __y);
long double _Cdecl frexpl (long double __x, int *__exponent);
long double _Cdecl ldexpl (long double __x, int __exponent);
long double _Cdecl log10l (long double __x);
long double _Cdecl logl (long double __x);
long double _Cdecl modfl (long double __x, long double *__ipart);
long double _Cdecl powl (long double __x, long double __y);
long double _Cdecl sinhl (long double __x);
long double _Cdecl sinl (long double __x);
long double _Cdecl sqrtl (long double __x);
long double _Cdecl tanhl (long double __x);
long double _Cdecl tanl (long double __x);
typedef enum
{
DOMAIN = 1, /* argument domain error -- log (-1) */
SING, /* argument singularity -- pow (0,-2)) */
OVERFLOW, /* overflow range error -- exp (1000) */
UNDERFLOW, /* underflow range error -- exp (-1000) */
TLOSS, /* total loss of significance -- sin(10e70) */
PLOSS, /* partial loss of signif. -- not used */
STACKFAULT /* floating point unit stack overflow */
} _mexcep;
#ifdef __cplusplus
}
#endif
#if !__STDC__
struct exception
{
int type;
char *name;
double arg1, arg2, retval;
};
struct _exceptionl
{
int type;
char *name;
long double arg1, arg2, retval;
};
#ifdef __cplusplus
extern "C" {
#endif
int _Cdecl abs (int __x);
double _Cdecl atof (const char *__s);
double _Cdecl hypot (double __x, double __y);
long _Cdecl labs (long __x);
int _Cdecl matherr (struct exception *__e);
double _Cdecl poly (double __x, int __degree, double *__coeffs);
double _Cdecl pow10 (int __p);
int _Cdecl _matherrl (struct _exceptionl *__e);
long double _Cdecl _atold (const char *__s);
long double _Cdecl hypotl (long double __x, long double __y);
long double _Cdecl polyl (long double __x, int __degree, long double *__coeffs);
long double _Cdecl pow10l (int __p);
#ifdef __cplusplus
/* use class complex instead of cabs in C++ */
#else
struct complex /* as used by "cabs" function */
{
double x, y;
};
struct _complexl /* as used by "cabsl" function */
{
long double x, y;
};
#define cabs(z) (hypot ((z).x, (z).y))
#define cabsl(z) (hypotl ((z).x, (z).y))
#endif
#ifdef __cplusplus
}
#endif
/* Constants rounded for 21 decimals. */
#define M_E 2.71828182845904523536
#define M_LOG2E 1.44269504088896340736
#define M_LOG10E 0.434294481903251827651
#define M_LN2 0.693147180559945309417
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.785398163397448309616
#define M_1_PI 0.318309886183790671538
#define M_2_PI 0.636619772367581343076
#define M_1_SQRTPI 0.564189583547756286948
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT_2 0.707106781186547524401
#define EDOM 33 /* Math argument */
#define ERANGE 34 /* Result too large */
#endif /* !__STDC__ */
#endif
