home *** CD-ROM | disk | FTP | other *** search
- /*_ math.h Fri Jan 20 1989 Modified by: Walter Bright */
- /* Copyright (C) 1985-1989 by Walter Bright */
- /* All Rights Reserved */
- /* $Revision: 1.3 $ */
-
- #ifndef __MATH_H
- #define __MATH_H 1
-
- #if __cplusplus
- extern "C" {
- #endif
-
- #if __ZTC__ < 0x220
- #define HUGE_VAL 1.797693134862315e+308
- #else
- #define HUGE_VAL __inf
- #endif
-
- #ifdef __STDC__
- #define __CDECL
- #define __STDCALL
- #else
- #define __CDECL __cdecl
- #define __STDCALL __stdcall
- #endif
-
- #if __OS2__ && __INTSIZE == 4
- #define __CLIB __STDCALL
- #else
- #define __CLIB __CDECL
- #endif
-
- double __CLIB acos(double);
- double __CLIB asin(double);
- double __CLIB atan(double);
- double __CLIB atan2(double,double);
- double __CLIB cos(double);
- double __CLIB sin(double);
- double __CLIB tan(double);
- double __CLIB cosh(double);
- double __CLIB sinh(double);
- double __CLIB tanh(double);
- double __CLIB exp(double);
- double __CLIB frexp(double,int *);
- double __CLIB ldexp(double,int);
- double __CLIB log(double);
- double __CLIB log10(double);
- double __CLIB modf(double,double *);
- double __CLIB pow(double,double);
- double __CLIB sqrt(double);
- double __CLIB ceil(double);
- double __CLIB fabs(double);
- double __CLIB floor(double);
- double __CLIB fmod(double,double);
-
- /* Built-in versions */
- #if __ZTC__ >= 0x302
- double __CLIB _inline_fabs(double);
- #define fabs(d) _inline_fabs(d)
-
- #if __INLINE_8087
- double __CLIB _inline_sqrt(double);
- #define sqrt(d) _inline_sqrt(d)
- #endif
- #endif
-
- #ifndef __STDC__ /* non-ANSI stuff */
-
- double __CLIB log1p(double);
- double __CLIB expm1(double);
-
- float __CLIB acosf(float);
- float __CLIB asinf(float);
- float __CLIB atanf(float);
- float __CLIB atan2f(float,float);
- float __CLIB cosf(float);
- float __CLIB sinf(float);
- float __CLIB tanf(float);
- float __CLIB coshf(float);
- float __CLIB sinhf(float);
- float __CLIB tanhf(float);
- float __CLIB expf(float);
- float __CLIB frexpf(float,int *);
- float __CLIB ldexpf(float,int);
- float __CLIB logf(float);
- float __CLIB log10f(float);
- float __CLIB modff(float,float *);
- float __CLIB powf(float,float);
- float __CLIB sqrtf(float);
- float __CLIB ceilf(float);
- float __CLIB fabsf(float);
- float __CLIB floorf(float);
- float __CLIB fmodf(float,float);
- float __CLIB log1pf(float);
- float __CLIB expm1f(float);
- long double __CLIB expl(long double x);
-
- /* Built-in versions */
- #if __ZTC__ >= 0x302
- float __CLIB _inline_fabsf(float);
- #define fabsf(f) _inline_fabsf(f)
-
- #if __INLINE_8087
- float __CLIB _inline_sqrtf(float);
- #define sqrtf(f) _inline_sqrtf(f)
- #endif
- #endif
-
- #define acosl acos
- #define asinl asin
- #define _asinl asinl
- #define atanl atan
- #define _atanl atanl
- #define atan2l atan2
- #define _atan2l atan2l
- #define cosl cos
- #define _cosl cos
- #define sinl sin
- #define _sinl sin
- #define tanl tan
- #define _tanl tan
- #define coshl cosh
- #define _coshl cosh
- #define sinhl sinh
- #define _sinhl sinh
- #define tanhl tanh
- #define _tanhl tanh
- #define expl exp
- #define frexpl frexp
- #define _frexpl frexp
- #define ldexpl ldexp
- #define _ldexpl ldexp
- #define logl log
- #define _logl log
- #define log10l log10
- #define _log10l log10
- #define modfl modf
- #define _modfl modf
- #define powl pow
- #define _powl pow
- #define sqrtl sqrt
- #define _sqrtl sqrt
- #define ceill ceil
- #define _ceill ceil
- #define fabsl fabs
- #define _fabsl fabs
- #define floorl floor
- #define _floorl floor
- #define fmodl fmod
- #define _fmodl fmod
- #define log1pl log1p
- #define expm1l expm1
- #define _expl expl
-
- /* Constants that the 8087 supports directly */
- #define PI 3.14159265358979323846
- #define LOG2 0.30102999566398119521
- #define LN2 0.6931471805599453094172321
- #define LOG2T 3.32192809488736234787
- #define LOG2E 1.4426950408889634074 /* 1/LN2 */
-
- /* For unix compatibility */
- #define M_LOG2E LOG2E
- #define M_LN2 LN2
- #define M_PI PI
- #define M_E 2.7182818284590452354
- #define M_LOG10E 0.43429448190325182765
- #define M_LN10 2.30258509299404568402
- #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
-
- /* Struct used with matherr() when a floating point exception occurs */
- struct exception
- { int type; /* DOMAIN,SING,... */
- char *name; /* pointer to string defining the name of the */
- /* function that detected the error */
- double arg1; /* first argument to function */
- double arg2; /* second argument (if defined) to function */
- double retval; /* default return value */
- };
- #define _exception exception
-
- /* Values for exception.type */
- #define DOMAIN 1 /* arguments are out of range for the function */
- #define SING 2 /* argument is a singularity */
- #define OVERFLOW 3
- #define UNDERFLOW 4
- #define TLOSS 5 /* total loss of significant digits */
- #define PLOSS 6 /* partial loss of significant digits */
- #define DIVIDE_BY_ZERO 7
-
- int __CLIB matherr(struct exception *);
- double __CLIB atof(const char *);
- #define _atold atof
- #define _matherr matherr
- double __CLIB hypot(double,double);
- #define _hypot hypot
- #define _hypotl hypot
- #define hypotl hypot
- double __CLIB poly(double,int,double []);
-
- #if !__cplusplus
-
- struct complex
- {
- double x,y;
- };
-
- #define cabs(z) (hypot(z.x,z.y))
-
- #define complexl complex
- #define _cabs cabs
- #define cabsl cabs
- #define _cabsl cabs
-
- #endif
-
- #endif
-
- #if __cplusplus
- }
- #endif
-
- #endif /* __MATH_H */
-