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Diffstat (limited to 'lib/msun/src/math.h')
| -rw-r--r-- | lib/msun/src/math.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h new file mode 100644 index 0000000..108b086 --- /dev/null +++ b/lib/msun/src/math.h @@ -0,0 +1,277 @@ +/* + * ==================================================== + * 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 + * $FreeBSD$ + */ + +#ifndef _MATH_H_ +#define _MATH_H_ + +/* + * ANSI/POSIX + */ +extern char __infinity[]; +#define HUGE_VAL (*(double *) __infinity) + +/* + * XOPEN/SVID + */ +#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) +extern int signgam; + +#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 + +/* We have a problem when using C++ since `exception' is a reserved + name in C++. */ +#ifndef __cplusplus +struct exception { + int type; + char *name; + double arg1; + double arg2; + double retval; +}; +#endif + +#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 + +#endif /* !_XOPEN_SOURCE */ +#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ + +#include <sys/cdefs.h> + +__BEGIN_DECLS +/* + * ANSI/POSIX + */ +double acos(double); +double asin(double); +double atan(double); +double atan2(double, double); +double cos(double); +double sin(double); +double tan(double); + +double cosh(double); +double sinh(double); +double tanh(double); + +double exp(double); +double frexp(double, int *); +double ldexp(double, int); +double log(double); +double log10(double); +double modf(double, double *); + +double pow(double, double); +double sqrt(double); + +double ceil(double); +double fabs(double); +double floor(double); +double fmod(double, double); + +#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) +double erf(double); +double erfc(double); +double gamma(double); +double hypot(double, double); +int isinf(double); +int isnan(double); +int finite(double); +double j0(double); +double j1(double); +double jn(int, double); +double lgamma(double); +double y0(double); +double y1(double); +double yn(int, double); + +#if !defined(_XOPEN_SOURCE) +double acosh(double); +double asinh(double); +double atanh(double); +double cbrt(double); +double logb(double); +double nextafter(double, double); +double remainder(double, double); +double scalb(double, double); +double tgamma(double); + +#ifndef __cplusplus +int matherr(struct exception *); +#endif + +/* + * IEEE Test Vector + */ +double significand(double); + +/* + * Functions callable from C, intended to support IEEE arithmetic. + */ +double copysign(double, double); +int ilogb(double); +double rint(double); +double scalbn(double, int); + +/* + * BSD math library entry points + */ +double drem(double, double); +double expm1(double); +double log1p(double); + +/* + * Reentrant version of gamma & lgamma; passes signgam back by reference + * as the second argument; user must allocate space for signgam. + */ +#ifdef _REENTRANT +double gamma_r(double, int *); +double lgamma_r(double, int *); +#endif /* _REENTRANT */ + +/* float versions of ANSI/POSIX functions */ +float acosf(float); +float asinf(float); +float atanf(float); +float atan2f(float, float); +float cosf(float); +float sinf(float); +float tanf(float); + +float coshf(float); +float sinhf(float); +float tanhf(float); + +float expf(float); +float frexpf(float, int *); +float ldexpf(float, int); +float logf(float); +float log10f(float); +float modff(float, float *); + +float powf(float, float); +float sqrtf(float); + +float ceilf(float); +float fabsf(float); +float floorf(float); +float fmodf(float, float); + +float erff(float); +float erfcf(float); +float gammaf(float); +float hypotf(float, float); +int isnanf(float); +int finitef(float); +float j0f(float); +float j1f(float); +float jnf(int, float); +float lgammaf(float); +float y0f(float); +float y1f(float); +float ynf(int, float); + +float acoshf(float); +float asinhf(float); +float atanhf(float); +float cbrtf(float); +float logbf(float); +float nextafterf(float, float); +float remainderf(float, float); +float scalbf(float, float); + +/* + * float version of IEEE Test Vector + */ +float significandf(float); + +/* + * Float versions of functions callable from C, intended to support + * IEEE arithmetic. + */ +float copysignf(float, float); +int ilogbf(float); +float rintf(float); +float scalbnf(float, int); + +/* + * float versions of BSD math library entry points + */ +float dremf(float, float); +float expm1f(float); +float log1pf(float); + +/* + * Float versions of reentrant version of gamma & lgamma; passes + * signgam back by reference as the second argument; user must + * allocate space for signgam. + */ +#ifdef _REENTRANT +float gammaf_r(float, int *); +float lgammaf_r(float, int *); +#endif /* _REENTRANT */ + +#endif /* !_XOPEN_SOURCE */ +#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ +__END_DECLS + +#endif /* !_MATH_H_ */ |
