2 * Copyright (c) 1985, 1990, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * @(#)math.h 8.1 (Berkeley) 6/2/93
40 #define HUGE_VAL 1e500 /* IEEE: positive infinity */
42 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
45 #define M_E 2.7182818284590452354 /* e */
46 #define M_LOG2E 1.4426950408889634074 /* log 2e */
47 #define M_LOG10E 0.43429448190325182765 /* log 10e */
48 #define M_LN2 0.69314718055994530942 /* log e2 */
49 #define M_LN10 2.30258509299404568402 /* log e10 */
50 #define M_PI 3.14159265358979323846 /* pi */
51 #define M_PI_2 1.57079632679489661923 /* pi/2 */
52 #define M_PI_4 0.78539816339744830962 /* pi/4 */
53 #define M_1_PI 0.31830988618379067154 /* 1/pi */
54 #define M_2_PI 0.63661977236758134308 /* 2/pi */
55 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
56 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
57 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
58 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
60 #include <sys/cdefs.h>
63 * Most of these functions have the side effect of setting errno, except
64 * in the (broken) BSD libm, so they not declared as __pure2.
67 double acos __P((double));
68 double asin __P((double));
69 double atan __P((double));
70 double atan2 __P((double, double));
71 double ceil __P((double));
72 double cos __P((double));
73 double cosh __P((double));
74 double exp __P((double));
75 double fabs __P((double));
76 double floor __P((double));
77 double fmod __P((double, double));
78 double frexp __P((double, int *)); /* fundamentally !__pure2 */
79 double ldexp __P((double, int));
80 double log __P((double));
81 double log10 __P((double));
82 double modf __P((double, double *)); /* fundamentally !__pure2 */
83 double pow __P((double, double));
84 double sin __P((double));
85 double sinh __P((double));
86 double sqrt __P((double));
87 double tan __P((double));
88 double tanh __P((double));
91 * These functions are non-ANSI so they can be "right". The ones that
92 * don't set errno in [lib]msun are declared as __pure2.
94 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
95 double acosh __P((double));
96 double asinh __P((double));
97 double atanh __P((double));
98 double cabs(); /* we can't describe cabs()'s argument properly */
99 double cbrt __P((double)) __pure2;
100 double copysign __P((double, double)) __pure2;
101 double drem __P((double, double));
102 double erf __P((double));
103 double erfc __P((double)) __pure2;
104 double expm1 __P((double)) __pure2;
105 int finite __P((double)) __pure2;
106 double hypot __P((double, double));
107 int isinf __P((double)) __pure2;
108 int isnan __P((double)) __pure2;
109 double j0 __P((double));
110 double j1 __P((double));
111 double jn __P((int, double));
112 double lgamma __P((double));
113 double log1p __P((double)) __pure2;
114 double logb __P((double)) __pure2;
115 double rint __P((double)) __pure2;
116 double scalb __P((double, int));
117 double y0 __P((double));
118 double y1 __P((double));
119 double yn __P((int, double));
124 #endif /* !_MATH_H_ */