xref: /PHP-5.6/ext/standard/php_math.h (revision 49493a2d)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 5                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2016 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Jim Winstead <jimw@php.net>                                 |
16    |          Stig S�ther Bakken <ssb@php.net>                            |
17    +----------------------------------------------------------------------+
18 */
19 
20 /* $Id$ */
21 
22 #ifndef PHP_MATH_H
23 #define PHP_MATH_H
24 
25 PHPAPI char *_php_math_number_format(double, int, char, char);
26 PHPAPI char *_php_math_number_format_ex(double, int, char *, size_t, char *, size_t);
27 PHPAPI char * _php_math_longtobase(zval *arg, int base);
28 PHPAPI long _php_math_basetolong(zval *arg, int base);
29 PHPAPI int _php_math_basetozval(zval *arg, int base, zval *ret);
30 PHPAPI char * _php_math_zvaltobase(zval *arg, int base TSRMLS_DC);
31 
32 PHP_FUNCTION(sin);
33 PHP_FUNCTION(cos);
34 PHP_FUNCTION(tan);
35 PHP_FUNCTION(asin);
36 PHP_FUNCTION(acos);
37 PHP_FUNCTION(atan);
38 PHP_FUNCTION(atan2);
39 PHP_FUNCTION(pi);
40 PHP_FUNCTION(exp);
41 PHP_FUNCTION(log);
42 PHP_FUNCTION(log10);
43 PHP_FUNCTION(is_finite);
44 PHP_FUNCTION(is_infinite);
45 PHP_FUNCTION(is_nan);
46 PHP_FUNCTION(pow);
47 PHP_FUNCTION(sqrt);
48 PHP_FUNCTION(srand);
49 PHP_FUNCTION(rand);
50 PHP_FUNCTION(getrandmax);
51 PHP_FUNCTION(mt_srand);
52 PHP_FUNCTION(mt_rand);
53 PHP_FUNCTION(mt_getrandmax);
54 PHP_FUNCTION(abs);
55 PHP_FUNCTION(ceil);
56 PHP_FUNCTION(floor);
57 PHP_FUNCTION(round);
58 PHP_FUNCTION(decbin);
59 PHP_FUNCTION(dechex);
60 PHP_FUNCTION(decoct);
61 PHP_FUNCTION(bindec);
62 PHP_FUNCTION(hexdec);
63 PHP_FUNCTION(octdec);
64 PHP_FUNCTION(base_convert);
65 PHP_FUNCTION(number_format);
66 PHP_FUNCTION(fmod);
67 PHP_FUNCTION(deg2rad);
68 PHP_FUNCTION(rad2deg);
69 
70    /*
71    WARNING: these functions are expermental: they could change their names or
72    disappear in the next version of PHP!
73    */
74 PHP_FUNCTION(hypot);
75 PHP_FUNCTION(expm1);
76 PHP_FUNCTION(log1p);
77 
78 PHP_FUNCTION(sinh);
79 PHP_FUNCTION(cosh);
80 PHP_FUNCTION(tanh);
81 
82 PHP_FUNCTION(asinh);
83 PHP_FUNCTION(acosh);
84 PHP_FUNCTION(atanh);
85 
86 #include <math.h>
87 
88 #ifndef M_E
89 #define M_E            2.7182818284590452354   /* e */
90 #endif
91 
92 #ifndef M_LOG2E
93 #define M_LOG2E        1.4426950408889634074   /* log_2 e */
94 #endif
95 
96 #ifndef M_LOG10E
97 #define M_LOG10E       0.43429448190325182765  /* log_10 e */
98 #endif
99 
100 #ifndef M_LN2
101 #define M_LN2          0.69314718055994530942  /* log_e 2 */
102 #endif
103 
104 #ifndef M_LN10
105 #define M_LN10         2.30258509299404568402  /* log_e 10 */
106 #endif
107 
108 #ifndef M_PI
109 #define M_PI           3.14159265358979323846  /* pi */
110 #endif
111 
112 #ifndef M_PI_2
113 #define M_PI_2         1.57079632679489661923  /* pi/2 */
114 #endif
115 
116 #ifndef M_PI_4
117 #define M_PI_4         0.78539816339744830962  /* pi/4 */
118 #endif
119 
120 #ifndef M_1_PI
121 #define M_1_PI         0.31830988618379067154  /* 1/pi */
122 #endif
123 
124 #ifndef M_2_PI
125 #define M_2_PI         0.63661977236758134308  /* 2/pi */
126 #endif
127 
128 #ifndef M_SQRTPI
129 #define M_SQRTPI       1.77245385090551602729  /* sqrt(pi) */
130 #endif
131 
132 #ifndef M_2_SQRTPI
133 #define M_2_SQRTPI     1.12837916709551257390  /* 2/sqrt(pi) */
134 #endif
135 
136 #ifndef M_LNPI
137 #define M_LNPI         1.14472988584940017414  /* ln(pi) */
138 #endif
139 
140 #ifndef M_EULER
141 #define M_EULER        0.57721566490153286061 /* Euler constant */
142 #endif
143 
144 #ifndef M_SQRT2
145 #define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
146 #endif
147 
148 #ifndef M_SQRT1_2
149 #define M_SQRT1_2      0.70710678118654752440  /* 1/sqrt(2) */
150 #endif
151 
152 #ifndef M_SQRT3
153 #define M_SQRT3	       1.73205080756887729352  /* sqrt(3) */
154 #endif
155 
156 /* Define rounding modes (all are round-to-nearest) */
157 #ifndef PHP_ROUND_HALF_UP
158 #define PHP_ROUND_HALF_UP        0x01    /* Arithmetic rounding, up == away from zero */
159 #endif
160 
161 #ifndef PHP_ROUND_HALF_DOWN
162 #define PHP_ROUND_HALF_DOWN      0x02    /* Down == towards zero */
163 #endif
164 
165 #ifndef PHP_ROUND_HALF_EVEN
166 #define PHP_ROUND_HALF_EVEN      0x03    /* Banker's rounding */
167 #endif
168 
169 #ifndef PHP_ROUND_HALF_ODD
170 #define PHP_ROUND_HALF_ODD       0x04
171 #endif
172 
173 #endif /* PHP_MATH_H */
174