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kolibrios/contrib/media/updf/include/libm/math.h
right-hearted 4f7ee97ec9 uPDF with buttons 
git-svn-id: svn://kolibrios.org@4680 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-03-22 21:00:40 +00:00

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/* Copyright (C) 1998 DJ Delorie, see COPYING.DJ for details */
/* Copyright (C) 1995 DJ Delorie, see COPYING.DJ for details */
/* Provided by Cygnus Support (jtc@cygnus.com) */
/*
* ====================================================
* 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
* $Id: math.h,v 1.3 1999/07/04 14:37:08 eliz Exp $
*/
#ifndef _MATH_H_
#define _MATH_H_
/*
* ANSI/POSIX
*/
typedef int __int32_t;
typedef unsigned int __uint32_t;
union __dmath
{
__uint32_t i[2];
double d;
};
extern const union __dmath __infinity;
#define HUGE_VAL (__infinity.d)
/*
* XOPEN/SVID
*/
#if !defined(__STRICT_ANSI__) && !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 0.693147180559945309417 /* log e2 */
#define M_LN10 2.30258509299404568402 /* log e10 */
#define M_PI 3.14159265358979323846 /* pi */
#define M_TWOPI 6.28318530717958647692 /* 2*pi */
#define M_PI_2 1.57079632679489661923 /* pi/2 */
#define M_PI_4 0.78539816339744830962 /* pi/4 */
#define M_3PI_4 2.3561944901923448370 /* 3/4 * pi */
#define M_SQRTPI 1.77245385090551602792981 /* sqrt(pi) */
#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 M_LN2LO 1.9082149292705877000E-10 /* lower bits of log e2 */
#define M_LN2HI 6.9314718036912381649E-1 /* log e2 */
#define M_SQRT3 1.73205080756887719000 /* sqrt(3) */
#define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */
#define M_LOG2_E 0.693147180559945309417
#define M_INVLN2 1.4426950408889633870E0 /* 1 / log e2 */
extern int signgam;
enum __fdlibm_version
{
__fdlibm_ieee = -1,
__fdlibm_svid,
__fdlibm_xopen,
__fdlibm_posix
};
#define _LIB_VERSION_TYPE enum __fdlibm_version
#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
/* The exception structure passed to the matherr routine. */
#ifndef __cplusplus
struct exception
{
int type;
const char *name;
double arg1;
double arg2;
double retval;
int err;
};
#endif
/*
* 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 /* !__STRICT_ANSI__ && !_POSIX_SOURCE */
#include <sys/cdefs.h>
__BEGIN_DECLS
/*
* ANSI/POSIX
*/
extern double acos __P((double));
extern double asin __P((double));
extern double atan __P((double));
extern double atan2 __P((double, double));
extern double cos __P((double));
extern double sin __P((double));
extern double tan __P((double));
extern double cosh __P((double));
extern double sinh __P((double));
extern double tanh __P((double));
extern double exp __P((double));
extern double frexp __P((double, int *));
extern double ldexp __P((double, int));
extern double log __P((double));
extern double log10 __P((double));
extern double modf __P((double, double *));
extern double pow __P((double, double));
extern double sqrt __P((double));
extern double ceil __P((double));
extern double fabs __P((double));
extern double floor __P((double));
extern double fmod __P((double, double));
#if !defined(__STRICT_ANSI__) && !defined(_POSIX_SOURCE)
extern double erf __P((double));
extern double erfc __P((double));
extern double gamma __P((double));
extern double hypot __P((double, double));
extern double infinity __P((void));
extern int isinf __P((double));
extern int isnan __P((double));
extern int finite __P((double));
extern double j0 __P((double));
extern double j1 __P((double));
extern double jn __P((int, double));
extern double lgamma __P((double));
extern double nan __P((void));
extern double y0 __P((double));
extern double y1 __P((double));
extern double yn __P((int, double));
extern double log2 __P((double));
#if !defined(_XOPEN_SOURCE)
extern double acosh __P((double));
extern double asinh __P((double));
extern double atanh __P((double));
extern double cbrt __P((double));
extern double exp10 __P((double));
extern double exp2 __P((double));
extern double log1p __P((double));
extern double logb __P((double));
extern long double modfl __P((long double, long double *));
extern double nextafter __P((double, double));
extern double pow10 __P((double));
extern double pow2 __P((double));
extern double powi __P((double, int));
extern void sincos __P((double *, double *, double));
extern double remainder __P((double, double));
extern double scalb __P((double, double));
#ifndef __cplusplus
extern int matherr __P((struct exception *));
#endif
/*
* IEEE Test Vector
*/
extern double significand __P((double));
/*
* Functions callable from C, intended to support IEEE arithmetic.
*/
extern double copysign __P((double, double));
extern int ilogb __P((double));
extern double rint __P((double));
extern double scalbn __P((double, int));
/*
* BSD math library entry points
*/
extern double drem __P((double, double));
extern double expm1 __P((double));
extern double log1p __P((double));
/*
* Reentrant version of gamma & lgamma; passes signgam back by reference
* as the second argument; user must allocate space for signgam.
*/
extern double gamma_r __P((double, int *));
extern double lgamma_r __P((double, int *));
/* float versions of ANSI/POSIX functions */
extern float acosf __P((float));
extern float asinf __P((float));
extern float atanf __P((float));
extern float atan2f __P((float, float));
extern float cosf __P((float));
extern float sinf __P((float));
extern float tanf __P((float));
extern float coshf __P((float));
extern float sinhf __P((float));
extern float tanhf __P((float));
extern float expf __P((float));
extern float frexpf __P((float, int *));
extern float ldexpf __P((float, int));
extern float logf __P((float));
extern float log10f __P((float));
extern float modff __P((float, float *));
extern float powf __P((float, float));
extern float sqrtf __P((float));
extern float ceilf __P((float));
extern float fabsf __P((float));
extern float floorf __P((float));
extern float fmodf __P((float, float));
extern float erff __P((float));
extern float erfcf __P((float));
extern float gammaf __P((float));
extern float hypotf __P((float, float));
extern float infinityf __P((void));
extern int isinff __P((float));
extern int isnanf __P((float));
extern int finitef __P((float));
extern float j0f __P((float));
extern float j1f __P((float));
extern float jnf __P((int, float));
extern float lgammaf __P((float));
extern float nanf __P((void));
extern float y0f __P((float));
extern float y1f __P((float));
extern float ynf __P((int, float));
#define log2f(x) (logf (x) / (float) M_LOG2_E)
extern float acoshf __P((float));
extern float asinhf __P((float));
extern float atanhf __P((float));
extern float cbrtf __P((float));
extern float logbf __P((float));
extern float nextafterf __P((float, float));
extern float remainderf __P((float, float));
extern float scalbf __P((float, float));
/*
* float version of IEEE Test Vector
*/
extern float significandf __P((float));
/*
* Float versions of functions callable from C, intended to support
* IEEE arithmetic.
*/
extern float copysignf __P((float, float));
extern int ilogbf __P((float));
extern float rintf __P((float));
extern float scalbnf __P((float, int));
/*
* float versions of BSD math library entry points
*/
extern float dremf __P((float, float));
extern float expm1f __P((float));
extern float log1pf __P((float));
/*
* Float versions of reentrant version of gamma & lgamma; passes
* signgam back by reference as the second argument; user must
* allocate space for signgam.
*/
extern float gammaf_r __P((float, int *));
extern float lgammaf_r __P((float, int *));
#endif /* !_XOPEN_SOURCE */
#endif /* !__STRICT_ANSI__ && !_POSIX_SOURCE */
__END_DECLS
#endif /* _MATH_H_ */
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