Subversion Repositories shark

Rev

Blame | Last modification | View Log | RSS feed

/*
 * Copyright (c) 1985, 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)math.h      8.1 (Berkeley) 6/2/93
 */


#ifndef __LL_MATH_H__
#define __LL_MATH_H__

#if defined(vax) || defined(tahoe)      /* DBL_MAX from float.h */
#define HUGE_VAL        1.701411834604692294E+38
#else
#define HUGE_VAL        1e500   /* IEEE: positive infinity */
#endif

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
#if defined(vax) || defined(tahoe)
/*
 * HUGE for the VAX and Tahoe converts to the largest possible F-float value.
 * This implies an understanding of the conversion behavior of atof(3).  It
 * was defined to be the largest float so that overflow didn't occur when it
 * was assigned to a single precision number.  HUGE_VAL is strongly preferred.
 */

#define HUGE    1.701411733192644270E+38
#else
#define HUGE    HUGE_VAL
#endif

#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) */
#endif                          /* !_ANSI_SOURCE && !_POSIX_SOURCE */

#include <ll/sys/cdefs.h>

/*
 * Most of these functions have the side effect of setting errno, except
 * in the (broken) BSD libm, so they not declared as __pure2.
 */

__BEGIN_DECLS double acos __P((double));
double asin __P((double));
double atan __P((double));
double atan2 __P((double, double));
double ceil __P((double));
double cos __P((double));
double cosh __P((double));
double exp __P((double));
double fabs __P((double));
double floor __P((double));
double fmod __P((double, double));
double frexp __P((double, int *));      /* fundamentally !__pure2 */
double ldexp __P((double, int));
double log __P((double));
double log10 __P((double));
double modf __P((double, double *));    /* fundamentally !__pure2 */
double pow __P((double, double));
double sin __P((double));
double sinh __P((double));
double sqrt __P((double));
double tan __P((double));
double tanh __P((double));

/*
 * These functions are non-ANSI so they can be "right".  The ones that
 * don't set errno in [lib]msun are declared as __pure2.
 */

#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
double acosh __P((double));
double asinh __P((double));
double atanh __P((double));
double cabs();                  /* we can't describe cabs()'s argument properly */
double cbrt __P((double)) __pure2;
double copysign __P((double, double)) __pure2;
double drem __P((double, double));
double erf __P((double));
double erfc __P((double)) __pure2;
double expm1 __P((double)) __pure2;
int finite __P((double)) __pure2;
double hypot __P((double, double));
#if defined(vax) || defined(tahoe)
double infnan __P((int));
#endif
int isinf __P((double)) __pure2;
int isnan __P((double)) __pure2;
double j0 __P((double));
double j1 __P((double));
double jn __P((int, double));
double lgamma __P((double));
double log1p __P((double)) __pure2;
double logb __P((double)) __pure2;
double rint __P((double)) __pure2;
double scalb __P((double, int));
double y0 __P((double));
double y1 __P((double));
double yn __P((int, double));
#endif

#define isinf(x) (isspecial(x, NULL) > 1)
#define isnan(x) (isspecial(x, NULL) == 1)

__END_DECLS
#endif                          /* !_MATH_H_ */