1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
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_ */
|
