You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
233 lines
6.5 KiB
233 lines
6.5 KiB
|
|
/* @(#)fdlibm.h 1.5 04/04/22 */
|
|
/*
|
|
* ====================================================
|
|
* Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#ifndef __LITTLE_ENDIAN
|
|
/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
|
|
but these catch some common cases. */
|
|
#if defined(i386) || defined(i486) || \
|
|
defined(intel) || defined(x86) || defined(i86pc) || \
|
|
defined(__alpha) || defined(__osf__) || defined(__MIPSEL__)
|
|
#define __LITTLE_ENDIAN
|
|
#endif
|
|
#endif
|
|
|
|
#ifdef __LITTLE_ENDIAN
|
|
#define __HI(x) *(1+(int*)&x)
|
|
#define __LO(x) *(int*)&x
|
|
#define __HIp(x) *(1+(int*)x)
|
|
#define __LOp(x) *(int*)x
|
|
#else
|
|
#define __HI(x) *(int*)&x
|
|
#define __LO(x) *(1+(int*)&x)
|
|
#define __HIp(x) *(int*)x
|
|
#define __LOp(x) *(1+(int*)x)
|
|
#endif
|
|
|
|
#ifndef __P
|
|
#define __FDLIBM_P_DEFINED
|
|
#ifdef __STDC__
|
|
#define __P(p) p
|
|
#else
|
|
#define __P(p) ()
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
|
|
extern int signgam;
|
|
|
|
#define MAXFLOAT ((float)3.40282346638528860e+38)
|
|
|
|
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
|
|
|
|
struct exception {
|
|
int type;
|
|
char *name;
|
|
double arg1;
|
|
double arg2;
|
|
double retval;
|
|
};
|
|
|
|
#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
|
|
|
|
/*
|
|
* ANSI/POSIX
|
|
*/
|
|
extern double ieee_acos __P((double));
|
|
extern double ieee_asin __P((double));
|
|
extern double ieee_atan __P((double));
|
|
extern double ieee_atan2 __P((double, double));
|
|
extern double ieee_cos __P((double));
|
|
extern double ieee_sin __P((double));
|
|
extern double ieee_tan __P((double));
|
|
|
|
extern double ieee_cosh __P((double));
|
|
extern double ieee_sinh __P((double));
|
|
extern double ieee_tanh __P((double));
|
|
|
|
extern double ieee_exp __P((double));
|
|
extern double ieee_frexp __P((double, int *));
|
|
extern double ieee_ldexp __P((double, int));
|
|
extern double ieee_log __P((double));
|
|
extern double ieee_log10 __P((double));
|
|
extern double ieee_modf __P((double, double *));
|
|
|
|
extern double ieee_pow __P((double, double));
|
|
extern double ieee_sqrt __P((double));
|
|
|
|
extern double ieee_ceil __P((double));
|
|
extern double ieee_fabs __P((double));
|
|
extern double ieee_floor __P((double));
|
|
extern double ieee_fmod __P((double, double));
|
|
|
|
extern double ieee_erf __P((double));
|
|
extern double ieee_erfc __P((double));
|
|
extern double ieee_gamma __P((double));
|
|
extern double ieee_hypot __P((double, double));
|
|
extern int ieee_isnan __P((double));
|
|
extern int ieee_finite __P((double));
|
|
extern double ieee_j0 __P((double));
|
|
extern double ieee_j1 __P((double));
|
|
extern double ieee_jn __P((int, double));
|
|
extern double ieee_lgamma __P((double));
|
|
extern double ieee_y0 __P((double));
|
|
extern double ieee_y1 __P((double));
|
|
extern double ieee_yn __P((int, double));
|
|
|
|
extern double acosh __P((double));
|
|
extern double asinh __P((double));
|
|
extern double atanh __P((double));
|
|
extern double ieee_cbrt __P((double));
|
|
extern double ieee_logb __P((double));
|
|
extern double ieee_nextafter __P((double, double));
|
|
extern double ieee_remainder __P((double, double));
|
|
#ifdef _SCALB_INT
|
|
extern double ieee_scalb __P((double, int));
|
|
#else
|
|
extern double ieee_scalb __P((double, double));
|
|
#endif
|
|
|
|
extern int ieee_matherr __P((struct exception *));
|
|
|
|
/*
|
|
* IEEE Test Vector
|
|
*/
|
|
extern double ieee_significand __P((double));
|
|
|
|
/*
|
|
* Functions callable from C, intended to support IEEE arithmetic.
|
|
*/
|
|
extern double ieee_copysign __P((double, double));
|
|
extern int ieee_ilogb __P((double));
|
|
extern double ieee_rint __P((double));
|
|
extern double ieee_scalbn __P((double, int));
|
|
|
|
/*
|
|
* BSD math library entry points
|
|
*/
|
|
extern double ieee_expm1 __P((double));
|
|
extern double ieee_log1p __P((double));
|
|
|
|
/*
|
|
* Reentrant version of gamma & lgamma; passes signgam back by reference
|
|
* as the second argument; user must allocate space for signgam.
|
|
*/
|
|
#ifdef _REENTRANT
|
|
extern double ieee_gamma_r __P((double, int *));
|
|
extern double ieee_lgamma_r __P((double, int *));
|
|
#endif /* _REENTRANT */
|
|
|
|
/* 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*));
|
|
#ifdef _SCALB_INT
|
|
extern double __ieee754_scalb __P((double,int));
|
|
#else
|
|
extern double __ieee754_scalb __P((double,double));
|
|
#endif
|
|
|
|
/* 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*));
|
|
|
|
#ifdef __FDLIBM_P_DEFINED
|
|
#undef __P
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}; /* extern "C" */
|
|
#endif
|