/* @(#)fdlibm.h 5.1 93/09/24 */ /* * ==================================================== * 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. * ==================================================== */ /** @file @module {Math library} @short Fdlibm header 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. */ #define __P(p) p /** @this is ANSI/POSIX */ extern int signgam; /** @this defines exterm values */ #define MAXFLOAT ((float)3.40282346638528860e+38) #define HUGE MAXFLOAT /** @multiple @hidden */ enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix}; #define _LIB_VERSION_TYPE enum fdversion #define _LIB_VERSION _fdlib_version /** @multiple @hidden 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 /** @internal */ struct exception { int type; char *name; double arg1; double arg2; double retval; }; /** @this sets X_TLOSS to pi*2**52 */ #define X_TLOSS 1.41484755040568800000e+16 /** @multiple */ #define DOMAIN 1 #define SING 2 #define OVERFLOW 3 #define UNDERFLOW 4 #define TLOSS 5 #define PLOSS 6 /** * @multiple * @this is an ANSI/POSIX math function */ 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)); extern double erf __P((double)); extern double erfc __P((double)); extern double gamma __P((double)); extern double hypot __P((double, 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)); 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)); #ifdef _SCALB_INT extern double scalb __P((double, int)); #else extern double scalb __P((double, double)); #endif extern int matherr __P((struct exception *)); /** * @this is IEEE Test Vector */ extern double significand __P((double)); /** * @multiple * @this is 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)); /** * @multiple * BSD math library entry point */ extern double expm1 __P((double)); extern double log1p __P((double)); /** * @multiple @this is a 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 __P((double, int *)); extern double lgamma_r __P((double, int *)); #endif /* _REENTRANT */ /** @internal @multiple @this is an IEEE style elementary function */ 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 /** @internal @multiple @this is a 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*));