Annotation of embedaddon/php/ext/standard/php_math.h, revision 1.1.1.1
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1997-2012 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 Sæther Bakken <ssb@php.net> |
17: +----------------------------------------------------------------------+
18: */
19:
20: /* $Id: php_math.h 321634 2012-01-01 13:15:04Z felipe $ */
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_longtobase(zval *arg, int base);
27: PHPAPI long _php_math_basetolong(zval *arg, int base);
28: PHPAPI int _php_math_basetozval(zval *arg, int base, zval *ret);
29: PHPAPI char * _php_math_zvaltobase(zval *arg, int base TSRMLS_DC);
30:
31: PHP_FUNCTION(sin);
32: PHP_FUNCTION(cos);
33: PHP_FUNCTION(tan);
34: PHP_FUNCTION(asin);
35: PHP_FUNCTION(acos);
36: PHP_FUNCTION(atan);
37: PHP_FUNCTION(atan2);
38: PHP_FUNCTION(pi);
39: PHP_FUNCTION(exp);
40: PHP_FUNCTION(log);
41: PHP_FUNCTION(log10);
42: PHP_FUNCTION(is_finite);
43: PHP_FUNCTION(is_infinite);
44: PHP_FUNCTION(is_nan);
45: PHP_FUNCTION(pow);
46: PHP_FUNCTION(sqrt);
47: PHP_FUNCTION(srand);
48: PHP_FUNCTION(rand);
49: PHP_FUNCTION(getrandmax);
50: PHP_FUNCTION(mt_srand);
51: PHP_FUNCTION(mt_rand);
52: PHP_FUNCTION(mt_getrandmax);
53: PHP_FUNCTION(abs);
54: PHP_FUNCTION(ceil);
55: PHP_FUNCTION(floor);
56: PHP_FUNCTION(round);
57: PHP_FUNCTION(decbin);
58: PHP_FUNCTION(dechex);
59: PHP_FUNCTION(decoct);
60: PHP_FUNCTION(bindec);
61: PHP_FUNCTION(hexdec);
62: PHP_FUNCTION(octdec);
63: PHP_FUNCTION(base_convert);
64: PHP_FUNCTION(number_format);
65: PHP_FUNCTION(fmod);
66: PHP_FUNCTION(deg2rad);
67: PHP_FUNCTION(rad2deg);
68:
69: /*
70: WARNING: these functions are expermental: they could change their names or
71: disappear in the next version of PHP!
72: */
73: PHP_FUNCTION(hypot);
74: PHP_FUNCTION(expm1);
75: PHP_FUNCTION(log1p);
76:
77: PHP_FUNCTION(sinh);
78: PHP_FUNCTION(cosh);
79: PHP_FUNCTION(tanh);
80:
81: PHP_FUNCTION(asinh);
82: PHP_FUNCTION(acosh);
83: PHP_FUNCTION(atanh);
84:
85: #include <math.h>
86:
87: #ifndef M_E
88: #define M_E 2.7182818284590452354 /* e */
89: #endif
90:
91: #ifndef M_LOG2E
92: #define M_LOG2E 1.4426950408889634074 /* log_2 e */
93: #endif
94:
95: #ifndef M_LOG10E
96: #define M_LOG10E 0.43429448190325182765 /* log_10 e */
97: #endif
98:
99: #ifndef M_LN2
100: #define M_LN2 0.69314718055994530942 /* log_e 2 */
101: #endif
102:
103: #ifndef M_LN10
104: #define M_LN10 2.30258509299404568402 /* log_e 10 */
105: #endif
106:
107: #ifndef M_PI
108: #define M_PI 3.14159265358979323846 /* pi */
109: #endif
110:
111: #ifndef M_PI_2
112: #define M_PI_2 1.57079632679489661923 /* pi/2 */
113: #endif
114:
115: #ifndef M_PI_4
116: #define M_PI_4 0.78539816339744830962 /* pi/4 */
117: #endif
118:
119: #ifndef M_1_PI
120: #define M_1_PI 0.31830988618379067154 /* 1/pi */
121: #endif
122:
123: #ifndef M_2_PI
124: #define M_2_PI 0.63661977236758134308 /* 2/pi */
125: #endif
126:
127: #ifndef M_SQRTPI
128: #define M_SQRTPI 1.77245385090551602729 /* sqrt(pi) */
129: #endif
130:
131: #ifndef M_2_SQRTPI
132: #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
133: #endif
134:
135: #ifndef M_LNPI
136: #define M_LNPI 1.14472988584940017414 /* ln(pi) */
137: #endif
138:
139: #ifndef M_EULER
140: #define M_EULER 0.57721566490153286061 /* Euler constant */
141: #endif
142:
143: #ifndef M_SQRT2
144: #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
145: #endif
146:
147: #ifndef M_SQRT1_2
148: #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
149: #endif
150:
151: #ifndef M_SQRT3
152: #define M_SQRT3 1.73205080756887729352 /* sqrt(3) */
153: #endif
154:
155: /* Define rounding modes (all are round-to-nearest) */
156: #ifndef PHP_ROUND_HALF_UP
157: #define PHP_ROUND_HALF_UP 0x01 /* Arithmetic rounding, up == away from zero */
158: #endif
159:
160: #ifndef PHP_ROUND_HALF_DOWN
161: #define PHP_ROUND_HALF_DOWN 0x02 /* Down == towards zero */
162: #endif
163:
164: #ifndef PHP_ROUND_HALF_EVEN
165: #define PHP_ROUND_HALF_EVEN 0x03 /* Banker's rounding */
166: #endif
167:
168: #ifndef PHP_ROUND_HALF_ODD
169: #define PHP_ROUND_HALF_ODD 0x04
170: #endif
171:
172: #endif /* PHP_MATH_H */
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