| 0,0 → 1,315 |
|---|
| /* 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_ */ |