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- /* math.h
-
- Definitions for the math floating point package.
-
- Copyright (c) Borland International 1987,1988,1990
- All Rights Reserved.
- */
-
- #ifndef __MATH_H
- #define __MATH_H
-
- #if __STDC__
- #define _Cdecl
- #else
- #define _Cdecl cdecl
- #endif
-
- #ifndef __PAS__
- #define _CType _Cdecl
- #else
- #define _CType pascal
- #endif
-
- #define HUGE_VAL _huge_dble
- extern double _Cdecl _huge_dble;
-
- #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 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);
-
- /* The customary matherr() exception handler for math 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 */
- STACKFAULT /* floating point unit stack overflow */
- } _mexcep;
-
- double _Cdecl _matherr (_mexcep __why, char *__fun, double *__arg1p,
- double *__arg2p, double __retval);
- #ifdef __cplusplus
- }
- #endif
-
-
- #if !__STDC__
-
- struct exception
- {
- int type;
- char *name;
- 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);
-
- #ifdef __cplusplus
- /* use class complex instead of cabs in C++ */
- #else
- struct complex /* as used by "cabs" function */
- {
- double x, y;
- };
-
- #define cabs(z) (hypot ((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
-