1 /* 2 +----------------------------------------------------------------------+ 3 | Copyright (c) The PHP Group | 4 +----------------------------------------------------------------------+ 5 | This source file is subject to version 3.01 of the PHP license, | 6 | that is bundled with this package in the file LICENSE, and is | 7 | available through the world-wide-web at the following url: | 8 | https://www.php.net/license/3_01.txt | 9 | If you did not receive a copy of the PHP license and are unable to | 10 | obtain it through the world-wide-web, please send a note to | 11 | license@php.net so we can mail you a copy immediately. | 12 +----------------------------------------------------------------------+ 13 | Authors: Jim Winstead <jimw@php.net> | 14 | Stig Sæther Bakken <ssb@php.net> | 15 +----------------------------------------------------------------------+ 16 */ 17 18 #ifndef PHP_MATH_H 19 #define PHP_MATH_H 20 21 PHPAPI double _php_math_round(double value, int places, int mode); 22 PHPAPI zend_string *_php_math_number_format(double d, int dec, char dec_point, char thousand_sep); 23 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); 24 PHPAPI zend_string *_php_math_number_format_long(zend_long num, zend_long dec, const char *dec_point, size_t dec_point_len, const char *thousand_sep, size_t thousand_sep_len); 25 PHPAPI zend_string * _php_math_longtobase(zend_long arg, int base); 26 PHPAPI zend_long _php_math_basetolong(zval *arg, int base); 27 PHPAPI void _php_math_basetozval(zend_string *str, int base, zval *ret); 28 PHPAPI zend_string * _php_math_zvaltobase(zval *arg, int base); 29 30 #include <math.h> 31 32 #ifndef M_E 33 #define M_E 2.7182818284590452354 /* e */ 34 #endif 35 36 #ifndef M_LOG2E 37 #define M_LOG2E 1.4426950408889634074 /* log_2 e */ 38 #endif 39 40 #ifndef M_LOG10E 41 #define M_LOG10E 0.43429448190325182765 /* log_10 e */ 42 #endif 43 44 #ifndef M_LN2 45 #define M_LN2 0.69314718055994530942 /* log_e 2 */ 46 #endif 47 48 #ifndef M_LN10 49 #define M_LN10 2.30258509299404568402 /* log_e 10 */ 50 #endif 51 52 #ifndef M_PI 53 #define M_PI 3.14159265358979323846 /* pi */ 54 #endif 55 56 #ifndef M_PI_2 57 #define M_PI_2 1.57079632679489661923 /* pi/2 */ 58 #endif 59 60 #ifndef M_PI_4 61 #define M_PI_4 0.78539816339744830962 /* pi/4 */ 62 #endif 63 64 #ifndef M_1_PI 65 #define M_1_PI 0.31830988618379067154 /* 1/pi */ 66 #endif 67 68 #ifndef M_2_PI 69 #define M_2_PI 0.63661977236758134308 /* 2/pi */ 70 #endif 71 72 #ifndef M_SQRTPI 73 #define M_SQRTPI 1.77245385090551602729 /* sqrt(pi) */ 74 #endif 75 76 #ifndef M_2_SQRTPI 77 #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ 78 #endif 79 80 #ifndef M_LNPI 81 #define M_LNPI 1.14472988584940017414 /* ln(pi) */ 82 #endif 83 84 #ifndef M_EULER 85 #define M_EULER 0.57721566490153286061 /* Euler constant */ 86 #endif 87 88 #ifndef M_SQRT2 89 #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ 90 #endif 91 92 #ifndef M_SQRT1_2 93 #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ 94 #endif 95 96 #ifndef M_SQRT3 97 #define M_SQRT3 1.73205080756887729352 /* sqrt(3) */ 98 #endif 99 100 /* Define rounding modes (all are round-to-nearest) */ 101 #ifndef PHP_ROUND_HALF_UP 102 #define PHP_ROUND_HALF_UP 0x01 /* Arithmetic rounding, up == away from zero */ 103 #endif 104 105 #ifndef PHP_ROUND_HALF_DOWN 106 #define PHP_ROUND_HALF_DOWN 0x02 /* Down == towards zero */ 107 #endif 108 109 #ifndef PHP_ROUND_HALF_EVEN 110 #define PHP_ROUND_HALF_EVEN 0x03 /* Banker's rounding */ 111 #endif 112 113 #ifndef PHP_ROUND_HALF_ODD 114 #define PHP_ROUND_HALF_ODD 0x04 115 #endif 116 117 #endif /* PHP_MATH_H */ 118
