* ====================================================
* 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
* ====================================================
* from: @(#)fdlibm.h 5.1 93/09/24
* $Id: math.h,v 1.8 1994/03/01 17:16:19 jtc Exp $
extern char __infinity
[];
#define HUGE_VAL (*(double *) __infinity)
#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)
#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
* 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
#endif /* !_XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
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(_ANSI_SOURCE) && !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 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 y0
__P((double));
extern double y1
__P((double));
extern double yn
__P((int, 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 logb
__P((double));
extern double nextafter
__P((double, double));
extern double remainder
__P((double, double));
extern double scalb
__P((double, double));
extern int matherr
__P((struct exception
*));
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 *));
#endif /* !_XOPEN_SOURCE */
#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
/* ieee style elementary functions */
extern double __ieee754_sqrt
__P((double));
extern double __ieee754_acos
__P((double));
extern double __ieee754_acosh
__P((double));
extern double __ieee754_log
__P((double));
extern double __ieee754_atanh
__P((double));
extern double __ieee754_asin
__P((double));
extern double __ieee754_atan2
__P((double,double));
extern double __ieee754_exp
__P((double));
extern double __ieee754_cosh
__P((double));
extern double __ieee754_fmod
__P((double,double));
extern double __ieee754_pow
__P((double,double));
extern double __ieee754_lgamma_r
__P((double,int *));
extern double __ieee754_gamma_r
__P((double,int *));
extern double __ieee754_lgamma
__P((double));
extern double __ieee754_gamma
__P((double));
extern double __ieee754_log10
__P((double));
extern double __ieee754_sinh
__P((double));
extern double __ieee754_hypot
__P((double,double));
extern double __ieee754_j0
__P((double));
extern double __ieee754_j1
__P((double));
extern double __ieee754_y0
__P((double));
extern double __ieee754_y1
__P((double));
extern double __ieee754_jn
__P((int,double));
extern double __ieee754_yn
__P((int,double));
extern double __ieee754_remainder
__P((double,double));
extern int __ieee754_rem_pio2
__P((double,double*));
extern double __ieee754_scalb
__P((double,double));
/* fdlibm kernel function */
extern double __kernel_standard
__P((double,double,int));
extern double __kernel_sin
__P((double,double,int));
extern double __kernel_cos
__P((double,double));
extern double __kernel_tan
__P((double,double,int));
extern int __kernel_rem_pio2
__P((double*,double*,int,int,int,const int*));