diff options
Diffstat (limited to 'lib/msun/src/math.h')
| -rw-r--r-- | lib/msun/src/math.h | 273 |
1 files changed, 273 insertions, 0 deletions
diff --git a/lib/msun/src/math.h b/lib/msun/src/math.h new file mode 100644 index 0000000..eff080f --- /dev/null +++ b/lib/msun/src/math.h @@ -0,0 +1,273 @@ +/* + * ==================================================== + * 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 1.1 1994/08/10 20:31:49 jtc Exp $ + */ + +#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 + +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 + +#endif /* !_XOPEN_SOURCE */ +#endif /* !_ANSI_SOURCE && !_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(_ANSI_SOURCE) && !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 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 y0 __P((double)); +extern double y1 __P((double)); +extern double yn __P((int, 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 logb __P((double)); +extern double nextafter __P((double, double)); +extern double remainder __P((double, double)); +extern double scalb __P((double, double)); + +extern int matherr __P((struct exception *)); + +/* + * 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 cabs(); +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. + */ +#ifdef _REENTRANT +extern double gamma_r __P((double, int *)); +extern double lgamma_r __P((double, int *)); +#endif /* _REENTRANT */ + + +/* 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 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 y0f __P((float)); +extern float y1f __P((float)); +extern float ynf __P((int, float)); + +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 cabsf (); +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. + */ +#ifdef _REENTRANT +extern float gammaf_r __P((float, int *)); +extern float lgammaf_r __P((float, int *)); +#endif /* _REENTRANT */ + +#endif /* !_XOPEN_SOURCE */ +#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ +__END_DECLS + +#endif /* _MATH_H_ */ |
