52a3801208
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
286 lines
7.0 KiB
C
Executable File
286 lines
7.0 KiB
C
Executable File
/*
|
|
* ====================================================
|
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
/*
|
|
* from: @(#)fdlibm.h 5.1 93/09/24
|
|
* $FreeBSD: src/lib/msun/src/math.h,v 1.8 1999/08/28 00:06:42 peter Exp $
|
|
*/
|
|
|
|
#ifndef _MATH_H_
|
|
#define _MATH_H_
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
extern char __infinity[];
|
|
#define HUGE_VAL (*(double *) __infinity)
|
|
|
|
/*
|
|
* XOPEN/SVID
|
|
*/
|
|
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
|
|
#define M_E 2.7182818284590452354 /* e */
|
|
#define M_LOG2E 1.4426950408889634074 /* log 2e */
|
|
#define M_LOG10E 0.43429448190325182765 /* log 10e */
|
|
#define M_LN2 0.69314718055994530942 /* log e2 */
|
|
#define M_LN10 2.30258509299404568402 /* log e10 */
|
|
#define M_PI 3.14159265358979323846 /* pi */
|
|
#define M_PI_2 1.57079632679489661923 /* pi/2 */
|
|
#define M_PI_4 0.78539816339744830962 /* pi/4 */
|
|
#define M_1_PI 0.31830988618379067154 /* 1/pi */
|
|
#define M_2_PI 0.63661977236758134308 /* 2/pi */
|
|
#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
|
|
#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
|
|
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
|
|
|
|
#define MAXFLOAT ((float)3.40282346638528860e+38)
|
|
extern int signgam;
|
|
|
|
#if !defined(_XOPEN_SOURCE)
|
|
enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};
|
|
|
|
#define _LIB_VERSION_TYPE enum fdversion
|
|
#define _LIB_VERSION _fdlib_version
|
|
|
|
/* if global variable _LIB_VERSION is not desirable, one may
|
|
* change the following to be a constant by:
|
|
* #define _LIB_VERSION_TYPE const enum version
|
|
* In that case, after one initializes the value _LIB_VERSION (see
|
|
* s_lib_version.c) during compile time, it cannot be modified
|
|
* in the middle of a program
|
|
*/
|
|
extern _LIB_VERSION_TYPE _LIB_VERSION;
|
|
|
|
#define _IEEE_ fdlibm_ieee
|
|
#define _SVID_ fdlibm_svid
|
|
#define _XOPEN_ fdlibm_xopen
|
|
#define _POSIX_ fdlibm_posix
|
|
|
|
#ifndef __cplusplus
|
|
struct exception {
|
|
int type;
|
|
char *name;
|
|
double arg1;
|
|
double arg2;
|
|
double retval;
|
|
};
|
|
#endif
|
|
|
|
#define HUGE MAXFLOAT
|
|
|
|
/*
|
|
* set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
|
|
* (one may replace the following line by "#include <values.h>")
|
|
*/
|
|
|
|
#define X_TLOSS 1.41484755040568800000e+16
|
|
|
|
#define DOMAIN 1
|
|
#define SING 2
|
|
#define OVERFLOW 3
|
|
#define UNDERFLOW 4
|
|
#define TLOSS 5
|
|
#define PLOSS 6
|
|
|
|
#endif /* !_XOPEN_SOURCE */
|
|
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
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);
|
|
|
|
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
|
|
extern double erf(double);
|
|
extern double erfc(double);
|
|
extern double gamma(double);
|
|
extern double hypot(double, double);
|
|
extern int isinf(double);
|
|
extern int isnan(double);
|
|
extern int finite(double);
|
|
extern double j0(double);
|
|
extern double j1(double);
|
|
extern double jn(int, double);
|
|
extern double lgamma(double);
|
|
extern double y0(double);
|
|
extern double y1(double);
|
|
extern double yn(int, double);
|
|
|
|
#if !defined(_XOPEN_SOURCE)
|
|
extern double acosh(double);
|
|
extern double asinh(double);
|
|
extern double atanh(double);
|
|
extern double cbrt(double);
|
|
extern double logb(double);
|
|
extern double nextafter(double, double);
|
|
extern double remainder(double, double);
|
|
extern double scalb(double, double);
|
|
|
|
#ifndef __cplusplus
|
|
extern int matherr(struct exception *);
|
|
#endif
|
|
|
|
/*
|
|
* IEEE Test Vector
|
|
*/
|
|
extern double significand(double);
|
|
|
|
/*
|
|
* Functions callable from C, intended to support IEEE arithmetic.
|
|
*/
|
|
extern double copysign(double, double);
|
|
extern int ilogb(double);
|
|
extern double rint(double);
|
|
extern double scalbn(double, int);
|
|
|
|
/*
|
|
* BSD math library entry points
|
|
*/
|
|
struct complex { double x, y; };
|
|
extern double cabs(struct complex);
|
|
extern double drem(double, double);
|
|
extern double expm1(double);
|
|
extern double log1p(double);
|
|
extern double z_abs(struct complex const *); /* complete non standard */
|
|
|
|
/*
|
|
* Reentrant version of gamma & lgamma; passes signgam back by reference
|
|
* as the second argument; user must allocate space for signgam.
|
|
*/
|
|
#ifdef _REENTRANT
|
|
extern double gamma_r(double, int *);
|
|
extern double lgamma_r(double, int *);
|
|
#endif /* _REENTRANT */
|
|
|
|
|
|
/* float versions of ANSI/POSIX functions */
|
|
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 frexpf(float, int *);
|
|
extern float ldexpf(float, int);
|
|
extern float logf(float);
|
|
extern float log10f(float);
|
|
extern float modff(float, 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 erff(float);
|
|
extern float erfcf(float);
|
|
extern float gammaf(float);
|
|
extern float hypotf(float, float);
|
|
extern int isnanf(float);
|
|
extern int finitef(float);
|
|
extern float j0f(float);
|
|
extern float j1f(float);
|
|
extern float jnf(int, float);
|
|
extern float lgammaf(float);
|
|
extern float y0f(float);
|
|
extern float y1f(float);
|
|
extern float ynf(int, float);
|
|
|
|
extern float acoshf(float);
|
|
extern float asinhf(float);
|
|
extern float atanhf(float);
|
|
extern float cbrtf(float);
|
|
extern float logbf(float);
|
|
extern float nextafterf(float, float);
|
|
extern float remainderf(float, float);
|
|
extern float scalbf(float, float);
|
|
|
|
/*
|
|
* float version of IEEE Test Vector
|
|
*/
|
|
extern float significandf(float);
|
|
|
|
/*
|
|
* Float versions of functions callable from C, intended to support
|
|
* IEEE arithmetic.
|
|
*/
|
|
extern float copysignf(float, float);
|
|
extern int ilogbf(float);
|
|
extern float rintf(float);
|
|
extern float scalbnf(float, int);
|
|
|
|
/*
|
|
* float versions of BSD math library entry points
|
|
*/
|
|
extern float cabsf ();
|
|
extern float dremf(float, float);
|
|
extern float expm1f(float);
|
|
extern float log1pf(float);
|
|
|
|
/*
|
|
* Float versions of reentrant version of gamma & lgamma; passes
|
|
* signgam back by reference as the second argument; user must
|
|
* allocate space for signgam.
|
|
*/
|
|
#ifdef _REENTRANT
|
|
extern float gammaf_r(float, int *);
|
|
extern float lgammaf_r(float, int *);
|
|
#endif /* _REENTRANT */
|
|
|
|
#endif /* !_XOPEN_SOURCE */
|
|
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
|
|
|
|
#ifdef __cplusplus
|
|
} /* "C" */
|
|
#endif
|
|
|
|
#endif /* _MATH_H_ */
|