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
|
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Jim Winstead <jimw@php.net> |
| Stig Sæther Bakken <ssb@php.net> |
+----------------------------------------------------------------------+
*/
#ifndef PHP_MATH_H
#define PHP_MATH_H
PHPAPI double _php_math_round(double value, int places, int mode);
PHPAPI zend_string *_php_math_number_format(double d, int dec, char dec_point, char thousand_sep);
PHPAPI zend_string *_php_math_number_format_ex(double d, int dec, const char *dec_point, size_t dec_point_len, const char *thousand_sep, size_t thousand_sep_len);
PHPAPI zend_string * _php_math_longtobase(zval *arg, int base);
PHPAPI zend_long _php_math_basetolong(zval *arg, int base);
PHPAPI void _php_math_basetozval(zend_string *str, int base, zval *ret);
PHPAPI zend_string * _php_math_zvaltobase(zval *arg, int base);
#include <math.h>
#ifndef M_E
#define M_E 2.7182818284590452354 /* e */
#endif
#ifndef M_LOG2E
#define M_LOG2E 1.4426950408889634074 /* log_2 e */
#endif
#ifndef M_LOG10E
#define M_LOG10E 0.43429448190325182765 /* log_10 e */
#endif
#ifndef M_LN2
#define M_LN2 0.69314718055994530942 /* log_e 2 */
#endif
#ifndef M_LN10
#define M_LN10 2.30258509299404568402 /* log_e 10 */
#endif
#ifndef M_PI
#define M_PI 3.14159265358979323846 /* pi */
#endif
#ifndef M_PI_2
#define M_PI_2 1.57079632679489661923 /* pi/2 */
#endif
#ifndef M_PI_4
#define M_PI_4 0.78539816339744830962 /* pi/4 */
#endif
#ifndef M_1_PI
#define M_1_PI 0.31830988618379067154 /* 1/pi */
#endif
#ifndef M_2_PI
#define M_2_PI 0.63661977236758134308 /* 2/pi */
#endif
#ifndef M_SQRTPI
#define M_SQRTPI 1.77245385090551602729 /* sqrt(pi) */
#endif
#ifndef M_2_SQRTPI
#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
#endif
#ifndef M_LNPI
#define M_LNPI 1.14472988584940017414 /* ln(pi) */
#endif
#ifndef M_EULER
#define M_EULER 0.57721566490153286061 /* Euler constant */
#endif
#ifndef M_SQRT2
#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
#endif
#ifndef M_SQRT1_2
#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
#endif
#ifndef M_SQRT3
#define M_SQRT3 1.73205080756887729352 /* sqrt(3) */
#endif
/* Define rounding modes (all are round-to-nearest) */
#ifndef PHP_ROUND_HALF_UP
#define PHP_ROUND_HALF_UP 0x01 /* Arithmetic rounding, up == away from zero */
#endif
#ifndef PHP_ROUND_HALF_DOWN
#define PHP_ROUND_HALF_DOWN 0x02 /* Down == towards zero */
#endif
#ifndef PHP_ROUND_HALF_EVEN
#define PHP_ROUND_HALF_EVEN 0x03 /* Banker's rounding */
#endif
#ifndef PHP_ROUND_HALF_ODD
#define PHP_ROUND_HALF_ODD 0x04
#endif
#endif /* PHP_MATH_H */
|
