freebsd-dev/include/math.h

125 lines
4.3 KiB
C
Raw Normal View History

1994-05-24 09:57:34 +00:00
/*
* 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
* $FreeBSD$
1994-05-24 09:57:34 +00:00
*/
#ifndef _MATH_H_
#define _MATH_H_
#define HUGE_VAL 1e500 /* IEEE: positive infinity */
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
#define HUGE HUGE_VAL
#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 <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.
*/
1994-05-24 09:57:34 +00:00
__BEGIN_DECLS
double acos(double);
double asin(double);
double atan(double);
double atan2(double, double);
double ceil(double);
double cos(double);
double cosh(double);
double exp(double);
double fabs(double);
double floor(double);
double fmod(double, double);
double frexp(double, int *); /* fundamentally !__pure2 */
double ldexp(double, int);
double log(double);
double log10(double);
double modf(double, double *); /* fundamentally !__pure2 */
double pow(double, double);
double sin(double);
double sinh(double);
double sqrt(double);
double tan(double);
double tanh(double);
1994-05-24 09:57:34 +00:00
/*
* These functions are non-ANSI so they can be "right". The ones that
* don't set errno in [lib]msun are declared as __pure2.
*/
1994-05-24 09:57:34 +00:00
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
double acosh(double);
double asinh(double);
double atanh(double);
double cabs(); /* we can't describe cabs()'s argument properly */
double cbrt(double) __pure2;
double copysign(double, double) __pure2;
double drem(double, double);
double erf(double);
double erfc(double) __pure2;
double expm1(double) __pure2;
int finite(double) __pure2;
double hypot(double, double);
int isinf(double) __pure2;
int isnan(double) __pure2;
double j0(double);
double j1(double);
double jn(int, double);
double lgamma(double);
double log1p(double) __pure2;
double logb(double) __pure2;
double rint(double) __pure2;
double scalb(double, int);
double y0(double);
double y1(double);
double yn(int, double);
1994-05-24 09:57:34 +00:00
#endif
__END_DECLS
#endif /* !_MATH_H_ */