| /* @(#)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 |