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NetBSD/include/math.h

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const -> __const and include <sys/cdefs.h> earlier; fixes PR lib/9052 by Takahiro Kambe.
2000-01-04 17:20:05 +03:00
/* $NetBSD: math.h,v 1.21 2000/01/04 14:20:05 kleink Exp $ */
new RCS ID format.
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initial import of 386bsd-0.1 sources
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/*
New math.h, based on fdlibm's fdlibm.h.
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* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
New math.h, based on fdlibm's fdlibm.h.
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* 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.
* ====================================================
initial import of 386bsd-0.1 sources
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*/
New math.h, based on fdlibm's fdlibm.h.
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/*
new RCS ID format.
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* @(#)fdlibm.h 5.1 93/09/24
New math.h, based on fdlibm's fdlibm.h.
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*/
initial import of 386bsd-0.1 sources
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New math.h, based on fdlibm's fdlibm.h.
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#ifndef _MATH_H_
Add missing _. reported by several folks.
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#define _MATH_H_
initial import of 386bsd-0.1 sources
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const -> __const and include <sys/cdefs.h> earlier; fixes PR lib/9052 by Takahiro Kambe.
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#include <sys/cdefs.h>
Reorganize name space protection.
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#include <sys/featuretest.h>
C99: Define a NAN macro in <math.h> which evaulates to a constant expression of a single-precision quiet NaN; only to be defined on platforms that do support this value.
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#include <machine/math.h>
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initial import of 386bsd-0.1 sources
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/*
New math.h, based on fdlibm's fdlibm.h.
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* ANSI/POSIX
initial import of 386bsd-0.1 sources
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*/
const -> __const and include <sys/cdefs.h> earlier; fixes PR lib/9052 by Takahiro Kambe.
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extern __const char __infinity[];
#define HUGE_VAL (*(__const double *)(__const void *)__infinity)
initial import of 386bsd-0.1 sources
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New math.h, based on fdlibm's fdlibm.h.
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/*
* XOPEN/SVID
*/
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
defined(_XOPEN_SOURCE)
initial import of 386bsd-0.1 sources
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#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) */
New math.h, based on fdlibm's fdlibm.h.
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#define MAXFLOAT ((float)3.40282346638528860e+38)
extern int signgam;
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE || _XOPEN_SOURCE */
New math.h, based on fdlibm's fdlibm.h.
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
New math.h, based on fdlibm's fdlibm.h.
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enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};
#define _LIB_VERSION_TYPE enum fdversion
#define _LIB_VERSION _fdlib_version
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New math.h, based on fdlibm's fdlibm.h.
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/* 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
C++ has a very different concept of "exception." Delimit struct exception and matherr() with #ifndef __cplusplus.
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#ifndef __cplusplus
New math.h, based on fdlibm's fdlibm.h.
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struct exception {
int type;
char *name;
double arg1;
double arg2;
double retval;
};
C++ has a very different concept of "exception." Delimit struct exception and matherr() with #ifndef __cplusplus.
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#endif
New math.h, based on fdlibm's fdlibm.h.
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#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
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
New math.h, based on fdlibm's fdlibm.h.
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__BEGIN_DECLS
New math.h, based on fdlibm's fdlibm.h.
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/*
* 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));
initial import of 386bsd-0.1 sources
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
defined(_XOPEN_SOURCE)
New math.h, based on fdlibm's fdlibm.h.
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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));
Reorganize name space protection.
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#if !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500
New math.h, based on fdlibm's fdlibm.h.
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extern double acosh __P((double));
extern double asinh __P((double));
extern double atanh __P((double));
extern double cbrt __P((double));
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extern double expm1 __P((double));
extern int ilogb __P((double));
extern double log1p __P((double));
New math.h, based on fdlibm's fdlibm.h.
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extern double logb __P((double));
extern double nextafter __P((double, double));
extern double remainder __P((double, double));
Reorganize name space protection.
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extern double rint __P((double));
New math.h, based on fdlibm's fdlibm.h.
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extern double scalb __P((double, double));
Fix comment typo in previous.
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#endif /* !defined(_XOPEN_SOURCE) || (_XOPEN_SOURCE - 0) >= 500 */
Reorganize name space protection.
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#endif /* !_ANSI_SOURCE) && !_POSIX_C_SOURCE || _XOPEN_SOURCE */
New math.h, based on fdlibm's fdlibm.h.
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Reorganize name space protection.
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
C++ has a very different concept of "exception." Delimit struct exception and matherr() with #ifndef __cplusplus.
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#ifndef __cplusplus
New math.h, based on fdlibm's fdlibm.h.
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extern int matherr __P((struct exception *));
C++ has a very different concept of "exception." Delimit struct exception and matherr() with #ifndef __cplusplus.
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#endif
New math.h, based on fdlibm's fdlibm.h.
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/*
* IEEE Test Vector
*/
extern double significand __P((double));
/*
* Functions callable from C, intended to support IEEE arithmetic.
*/
extern double copysign __P((double, double));
extern double scalbn __P((double, int));
/*
* BSD math library entry points
*/
This file has still missing prototypes: cabs and cabsf... At least comment what the arguments should be.
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extern double cabs __P((/* struct complex { double r; double i; } */));
Add cabs() and drem(), for BSD libm compatibility.
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extern double drem __P((double, double));
New math.h, based on fdlibm's fdlibm.h.
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE) || defined(_REENTRANT)
New math.h, based on fdlibm's fdlibm.h.
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/*
* 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 *));
Reorganize name space protection.
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#endif /* !... || _REENTRANT */
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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Reorganize name space protection.
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
Oops, isinf() was never included in any X/Open interface specification.
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extern int isinf __P((double));
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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/* 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));
Add missing isinff() declaration.
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extern int isinff __P((float));
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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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
*/
This file has still missing prototypes: cabs and cabsf... At least comment what the arguments should be.
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extern float cabsf __P((/* struct complex { float r; float i; } */));
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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extern float dremf __P((float, float));
extern float expm1f __P((float));
extern float log1pf __P((float));
Reorganize name space protection.
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#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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Reorganize name space protection.
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#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE) || defined(_REENTRANT)
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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/*
* 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 *));
Reorganize name space protection.
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#endif /* !... || _REENTRANT */
Added prototypes for float versions of math functions. Removed prototypes for internal functions.
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initial import of 386bsd-0.1 sources
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__END_DECLS
#endif /* _MATH_H_ */