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Diffstat (limited to 'include/math.h')
-rw-r--r-- | include/math.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/include/math.h b/include/math.h new file mode 100644 index 0000000..dd0b20c --- /dev/null +++ b/include/math.h @@ -0,0 +1,132 @@ +/* + * 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 _MATH_H_ +#define _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 <sys/cdefs.h> + +__BEGIN_DECLS +__pure double acos __P((double)); +__pure double asin __P((double)); +__pure double atan __P((double)); +__pure double atan2 __P((double, double)); +__pure double ceil __P((double)); +__pure double cos __P((double)); +__pure double cosh __P((double)); +__pure double exp __P((double)); +__pure double fabs __P((double)); +__pure double floor __P((double)); +__pure double fmod __P((double, double)); + double frexp __P((double, int *)); +__pure double ldexp __P((double, int)); +__pure double log __P((double)); +__pure double log10 __P((double)); + double modf __P((double, double *)); +__pure double pow __P((double, double)); +__pure double sin __P((double)); +__pure double sinh __P((double)); +__pure double sqrt __P((double)); +__pure double tan __P((double)); +__pure double tanh __P((double)); + +#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) +__pure double acosh __P((double)); +__pure double asinh __P((double)); +__pure double atanh __P((double)); + double cabs(); /* we can't describe cabs()'s argument properly */ +__pure double cbrt __P((double)); +__pure double copysign __P((double, double)); +__pure double drem __P((double, double)); +__pure double erf __P((double)); +__pure double erfc __P((double)); +__pure double expm1 __P((double)); +__pure int finite __P((double)); +__pure double hypot __P((double, double)); +#if defined(vax) || defined(tahoe) +__pure double infnan __P((int)); +#endif +__pure int isinf __P((double)); +__pure int isnan __P((double)); +__pure double j0 __P((double)); +__pure double j1 __P((double)); +__pure double jn __P((int, double)); +__pure double lgamma __P((double)); +__pure double log1p __P((double)); +__pure double logb __P((double)); +__pure double rint __P((double)); +__pure double scalb __P((double, int)); +__pure double y0 __P((double)); +__pure double y1 __P((double)); +__pure double yn __P((int, double)); +#endif + +__END_DECLS + +#endif /* _MATH_H_ */ |