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/*	math.h 
 
	Definitions for the math floating point package. 
 
	Copyright (c) Borland International 1987,1988 
	All Rights Reserved. 
*/ 
#if __STDC__ 
#define _Cdecl 
#else 
#define _Cdecl	cdecl 
#endif 
 
#ifndef  _MATH_H 
#define  _MATH_H 1 
 
#define EDOM	33		/* Math argument */ 
#define ERANGE	34		/* Result too large */ 
 
#define HUGE_VAL	_huge_dble 
extern double _Cdecl _huge_dble; 
 
int	_Cdecl abs   (int x); 
double	_Cdecl acos  (double x); 
double	_Cdecl asin  (double x); 
double	_Cdecl atan  (double x); 
double	_Cdecl atan2 (double y, double x); 
double	_Cdecl atof  (const char *s); 
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 floor (double x); 
double	_Cdecl fmod  (double x, double y); 
double	_Cdecl frexp (double x, int *exponent); 
long	_Cdecl labs  (long x); 
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); 
 
struct	exception  
{ 
	int	type; 
	char   *name; 
	double	arg1, arg2, retval; 
}; 
 
int _Cdecl matherr (struct exception *e); 
 
#if !__STDC__ 
double	cdecl hypot (double x, double y); 
double	cdecl poly  (double x, int degree, double coeffs []); 
double	cdecl pow10 (int p); 
 
struct complex	    /* as used by "cabs" function */ 
{ 
    double  x, y; 
}; 
 
#define cabs(z)     (hypot ((z).x, (z).y)) 
 
/*  The customary matherr() exception handler for maths functions is 
    not compatible with the x3j11 draft standard for C.  _matherr() is 
    provided as a compromise. 
*/ 
 
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      */ 
}   _mexcep; 
 
double _Cdecl _matherr (_mexcep why, char *fun, double  *arg1p, 
			double  *arg2p, double  retval); 
 
/* 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		0.785398163397448309116 
#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 
 
#endif	/* __STDC__ */ 
 
#endif