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Diffstat (limited to 'mit-pthreads/machdep/i386-sco-3.2v5/__math.h')
| -rwxr-xr-x | mit-pthreads/machdep/i386-sco-3.2v5/__math.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/mit-pthreads/machdep/i386-sco-3.2v5/__math.h b/mit-pthreads/machdep/i386-sco-3.2v5/__math.h new file mode 100755 index 00000000000..4852683fcbf --- /dev/null +++ b/mit-pthreads/machdep/i386-sco-3.2v5/__math.h @@ -0,0 +1,219 @@ +/* Copyright 1994-1995 The Santa Cruz Operation, Inc. All Rights Reserved. */ + + +#if defined(_NO_PROTOTYPE) /* Old, crufty environment */ +#include <oldstyle/__math.h> +#elif defined(_XOPEN_SOURCE) || defined(_XPG4_VERS) /* Xpg4 environment */ +#include <xpg4/__math.h> +#elif defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) /* Posix environment */ +#include <posix/__math.h> +#elif _STRICT_ANSI /* Pure Ansi/ISO environment */ +#include <ansi/__math.h> +#elif defined(_SCO_ODS_30) /* Old, Tbird compatible environment */ +#include <ods_30_compat/__math.h> +#else /* Normal, default environment */ +/* + * Portions Copyright (C) 1983-1995 The Santa Cruz Operation, Inc. + * All Rights Reserved. + * + * The information in this file is provided for the exclusive use of + * the licensees of The Santa Cruz Operation, Inc. Such users have the + * right to use, modify, and incorporate this code into other products + * for purposes authorized by the license agreement provided they include + * this notice and the associated copyright notice with any such product. + * The information in this file is provided "AS IS" without warranty. + */ + +/* Portions Copyright (c) 1990, 1991, 1992, 1993 UNIX System Laboratories, Inc. */ +/* Portions Copyright (c) 1979 - 1990 AT&T */ +/* All Rights Reserved */ + +/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */ +/* UNIX System Laboratories, Inc. */ +/* The copyright notice above does not evidence any */ +/* actual or intended publication of such source code. */ + +#ifndef ___MATH_H +#define ___MATH_H + +#pragma comment(exestr, "xpg4plus @(#) math.h 20.1 94/12/04 ") + +#pragma pack(4) + +#ifdef __cplusplus +extern "C" { +#endif + + +extern double acos(double); +extern double asin(double); +extern double atan(double); +extern double atan2(double, double); +extern double cos(double); +extern double sin(double); +extern double tan(double); + +extern double cosh(double); +extern double sinh(double); +extern double tanh(double); + +extern double exp(double); +extern double frexp(double, int *); +extern double ldexp(double, int); +extern double log(double); +extern double log10(double); +extern double modf(double, double *); + +extern double pow(double, double); +extern double sqrt(double); + +extern double ceil(double); +extern double fabs(double); +extern double floor(double); +extern double fmod(double, double); + +#ifndef HUGE_VAL +extern const double __huge_val; +#define HUGE_VAL (+__huge_val) +#endif + + +extern double erf(double); +extern double erfc(double); +extern double gamma(double); +extern double hypot(double, double); +extern double j0(double); +extern double j1(double); +extern double jn(int, double); +extern double y0(double); +extern double y1(double); +extern double yn(int, double); +extern double lgamma(double); +extern int isnan(double); + +#define MAXFLOAT ((float)3.40282346638528860e+38) + + + +#define HUGE MAXFLOAT + +/* + * The following are all legal as XPG4 external functions but must only + * be declared in the non standards environments as they conflict with + * the user name space + */ + +extern long double frexpl(long double, int *); +extern long double ldexpl(long double, int); +extern long double modfl(long double, long double *); + +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 logf(float); +extern float log10f(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 modff(float, float *); + +/* These are all extensions from XPG4 */ + +extern double atof(const char *); +extern double scalb(double, double); +extern double logb(double); +extern double log1p(double); +extern double nextafter(double, double); +extern double acosh(double); +extern double asinh(double); +extern double atanh(double); +extern double cbrt(double); +extern double copysign(double, double); +extern double expm1(double); +extern int ilogb(double); +extern double remainder(double, double); +extern double rint(double); +extern int unordered(double, double); +extern int finite(double); + +extern long double scalbl(long double, long double); +extern long double logbl(long double); +extern long double nextafterl(long double, long double); +extern int unorderedl(long double, long double); +extern int finitel(long double); + + + + +extern int signgam; + +#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 _ABS(x) ((x) < 0 ? -(x) : (x)) + +#define _REDUCE(TYPE, X, XN, C1, C2) { \ + double x1 = (double)(TYPE)X, x2 = X - x1; \ + X = x1 - (XN) * (C1); X += x2; X -= (XN) * (C2); } + +#define DOMAIN 1 +#define SING 2 +#define OVERFLOW 3 +#define UNDERFLOW 4 +#define TLOSS 5 +#define PLOSS 6 + +#define _POLY1(x, c) ((c)[0] * (x) + (c)[1]) +#define _POLY2(x, c) (_POLY1((x), (c)) * (x) + (c)[2]) +#define _POLY3(x, c) (_POLY2((x), (c)) * (x) + (c)[3]) +#define _POLY4(x, c) (_POLY3((x), (c)) * (x) + (c)[4]) +#define _POLY5(x, c) (_POLY4((x), (c)) * (x) + (c)[5]) +#define _POLY6(x, c) (_POLY5((x), (c)) * (x) + (c)[6]) +#define _POLY7(x, c) (_POLY6((x), (c)) * (x) + (c)[7]) +#define _POLY8(x, c) (_POLY7((x), (c)) * (x) + (c)[8]) +#define _POLY9(x, c) (_POLY8((x), (c)) * (x) + (c)[9]) + + +#ifdef __cplusplus +} +inline int sqr(int i) {return(i*i);} +inline double sqr(double i) {return(i*i);} + +#endif /* __cplusplus */ + +#pragma pack() + +#if __cplusplus && !defined(PI) +#define PI M_PI +#endif /* __cplusplus */ + +#endif /* _MATH_H */ +#endif |