math.h revision 25c28e83beb90e7c80452a7c818c5e6f73a07dc8
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _MATH_H
#define _MATH_H
#include <iso/math_iso.h>
#include <iso/math_c99.h>
#if __cplusplus >= 199711L
using std::abs;
using std::acos;
using std::asin;
using std::atan2;
using std::atan;
using std::ceil;
using std::cos;
using std::cosh;
using std::exp;
using std::fabs;
using std::floor;
using std::fmod;
using std::frexp;
using std::ldexp;
using std::log10;
using std::log;
using std::modf;
using std::pow;
using std::sin;
using std::sinh;
using std::sqrt;
using std::tan;
using std::tanh;
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if defined(__cplusplus)
#define exception __math_exception
#endif
#ifndef __P
#ifdef __STDC__
#define __P(p) p
#else
#define __P(p) ()
#endif
#endif /* !defined(__P) */
#if defined(__EXTENSIONS__) || defined(_XOPEN_SOURCE) || \
!defined(_STRICT_STDC) && !defined(_POSIX_C_SOURCE)
/*
* SVID & X/Open
*/
#define M_E 2.7182818284590452354
#define M_LOG2E 1.4426950408889634074
#define M_LOG10E 0.43429448190325182765
#define M_LN2 0.69314718055994530942
#define M_LN10 2.30258509299404568402
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
#define M_1_PI 0.31830988618379067154
#define M_2_PI 0.63661977236758134308
#define M_2_SQRTPI 1.12837916709551257390
#define M_SQRT2 1.41421356237309504880
#define M_SQRT1_2 0.70710678118654752440
extern int signgam;
#define MAXFLOAT ((float)3.40282346638528860e+38)
#if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
/*
* SVID
*/
enum version {libm_ieee = -1, c_issue_4, ansi_1, strict_ansi};
#ifdef __STDC__
extern const enum version _lib_version;
#else
extern enum version _lib_version;
#endif
struct exception {
int type;
char *name;
double arg1;
double arg2;
double retval;
};
#define HUGE MAXFLOAT
#define _ABS(x) ((x) < 0 ? -(x) : (x))
#define _REDUCE(TYPE, X, XN, C1, C2) { \
double x1 = (double)(TYPE)X, x2 = X - x1; \
X = x1 - (XN) * (C1); X += x2; X -= (XN) * (C2); }
#define DOMAIN 1
#define SING 2
#define OVERFLOW 3
#define UNDERFLOW 4
#define TLOSS 5
#define PLOSS 6
#define _POLY1(x, c) ((c)[0] * (x) + (c)[1])
#define _POLY2(x, c) (_POLY1((x), (c)) * (x) + (c)[2])
#define _POLY3(x, c) (_POLY2((x), (c)) * (x) + (c)[3])
#define _POLY4(x, c) (_POLY3((x), (c)) * (x) + (c)[4])
#define _POLY5(x, c) (_POLY4((x), (c)) * (x) + (c)[5])
#define _POLY6(x, c) (_POLY5((x), (c)) * (x) + (c)[6])
#define _POLY7(x, c) (_POLY6((x), (c)) * (x) + (c)[7])
#define _POLY8(x, c) (_POLY7((x), (c)) * (x) + (c)[8])
#define _POLY9(x, c) (_POLY8((x), (c)) * (x) + (c)[9])
#endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
/*
* SVID & X/Open
*/
/* BEGIN adopted by C99 */
extern double erf __P((double));
extern double erfc __P((double));
extern double hypot __P((double, double));
extern double lgamma __P((double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(erf, erfc, hypot)
#pragma does_not_write_global_data(erf, erfc, hypot)
#pragma no_side_effect(erf, erfc, hypot)
#endif
#if !defined(_STDC_C99) && _XOPEN_SOURCE - 0 < 600 && !defined(__C99FEATURES__)
extern int isnan __P((double));
#pragma does_not_read_global_data(isnan)
#pragma does_not_write_global_data(isnan)
#pragma no_side_effect(isnan)
#endif
/* END adopted by C99 */
#if defined(__EXTENSIONS__) || _XOPEN_SOURCE - 0 < 600
extern double gamma __P((double)); /* deprecated; use lgamma */
#endif
extern double j0 __P((double));
extern double j1 __P((double));
extern double jn __P((int, double));
extern double y0 __P((double));
extern double y1 __P((double));
extern double yn __P((int, double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(j0, j1, jn, y0, y1, yn)
#pragma does_not_write_global_data(j0, j1, jn, y0, y1, yn)
#pragma no_side_effect(j0, j1, jn, y0, y1, yn)
#endif
#if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) || \
_XOPEN_SOURCE - 0 >= 500 || \
defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1
/*
* SVID & XPG 4.2/5
*/
extern double scalb __P((double, double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(scalb)
#pragma does_not_write_global_data(scalb)
#pragma no_side_effect(scalb)
#endif
/* BEGIN adopted by C99 */
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));
/*
* XPG 4.2/5
*/
extern double expm1 __P((double));
extern int ilogb __P((double));
extern double log1p __P((double));
extern double rint __P((double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(acosh, asinh, atanh, cbrt)
#pragma does_not_read_global_data(logb, nextafter, remainder)
#pragma does_not_read_global_data(expm1, ilogb, log1p, rint)
#pragma does_not_write_global_data(acosh, asinh, atanh, cbrt)
#pragma does_not_write_global_data(logb, nextafter, remainder)
#pragma does_not_write_global_data(expm1, ilogb, log1p, rint)
#pragma no_side_effect(acosh, asinh, atanh, cbrt)
#pragma no_side_effect(logb, nextafter, remainder)
#pragma no_side_effect(expm1, ilogb, log1p, rint)
#endif
/* END adopted by C99 */
#endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) || ... */
#if defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE)
/*
* SVID
*/
extern int matherr __P((struct exception *));
/*
* IEEE Test Vector
*/
extern double significand __P((double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(significand)
#pragma does_not_write_global_data(significand)
#pragma no_side_effect(significand)
#endif
extern int signgamf; /* deprecated; use signgam */
extern int signgaml; /* deprecated; use signgam */
extern int isnanf __P((float));
extern int isnanl __P((long double));
extern float gammaf __P((float)); /* deprecated; use lgammaf */
extern float gammaf_r __P((float, int *)); /* deprecated; use lgammaf_r */
extern float j0f __P((float));
extern float j1f __P((float));
extern float jnf __P((int, float));
extern float lgammaf_r __P((float, int *));
extern float scalbf __P((float, float));
extern float significandf __P((float));
extern float y0f __P((float));
extern float y1f __P((float));
extern float ynf __P((int, float));
extern long double gammal __P((long double)); /* deprecated; use lgammal */
extern long double gammal_r __P((long double, int *)); /* deprecated */
extern long double j0l __P((long double));
extern long double j1l __P((long double));
extern long double jnl __P((int, long double));
extern long double lgammal_r __P((long double, int *));
extern long double scalbl __P((long double, long double));
extern long double significandl __P((long double));
extern long double y0l __P((long double));
extern long double y1l __P((long double));
extern long double ynl __P((int, long double));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(isnanf, isnanl)
#pragma does_not_write_global_data(isnanf, isnanl)
#pragma no_side_effect(isnanf, isnanl)
#pragma does_not_read_global_data(gammaf_r, j0f, j1f, jnf, lgammaf_r, scalbf)
#pragma does_not_read_global_data(significandf, y0f, y1f, ynf)
#pragma does_not_write_global_data(j0f, j1f, jnf, scalbf)
#pragma does_not_write_global_data(significandf, y0f, y1f, ynf)
#pragma no_side_effect(j0f, j1f, jnf, scalbf)
#pragma no_side_effect(significandf, y0f, y1f, ynf)
#pragma does_not_read_global_data(gammal_r, j0l, j1l, jnl, lgammal_r, scalbl)
#pragma does_not_read_global_data(significandl, y0l, y1l, ynl)
#pragma does_not_write_global_data(j0l, j1l, jnl, scalbl)
#pragma does_not_write_global_data(significandl, y0l, y1l, ynl)
#pragma no_side_effect(j0l, j1l, jnl, scalbl)
#pragma no_side_effect(significandl, y0l, y1l, ynl)
#endif
/*
* for sin+cos->sincos transformation
*/
extern void sincos __P((double, double *, double *));
extern void sincosf __P((float, float *, float *));
extern void sincosl __P((long double, long double *, long double *));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(sincos, sincosf, sincosl)
#endif
/* BEGIN adopted by C99 */
/*
* Functions callable from C, intended to support IEEE arithmetic.
*/
extern double copysign __P((double, double));
extern double scalbn __P((double, int));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(copysign, scalbn)
#pragma does_not_write_global_data(copysign, scalbn)
#pragma no_side_effect(copysign, scalbn)
#endif
/* END adopted by C99 */
/*
* 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 *)); /* deprecated; use lgamma_r */
extern double lgamma_r __P((double, int *));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(gamma_r, lgamma_r)
#endif
/* BEGIN adopted by C99 */
extern float modff __P((float, float *));
#if defined(__MATHERR_ERRNO_DONTCARE)
#pragma does_not_read_global_data(modff)
#endif
/* END adopted by C99 */
#if defined(__EXTENSIONS__) || !defined(__cplusplus)
#include <floatingpoint.h>
#endif
#endif /* defined(__EXTENSIONS__) || !defined(_XOPEN_SOURCE) */
#endif /* defined(__EXTENSIONS__) || defined(_XOPEN_SOURCE) || ... */
#if defined(__cplusplus) && defined(__GNUC__)
#undef exception
#endif
#ifdef __cplusplus
}
#endif
#endif /* _MATH_H */