root/ext/standard/php_math.h

INCLUDED FROM

   1 /* 
   2    +----------------------------------------------------------------------+
   3    | PHP Version 7                                                        |
   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 Sæther Bakken <ssb@php.net>                            |
  17    +----------------------------------------------------------------------+
  18 */
  19 
  20 /* $Id$ */
  21 
  22 #ifndef PHP_MATH_H
  23 #define PHP_MATH_H
  24 
  25 PHPAPI zend_string *_php_math_number_format(double, int, char, char);
  26 PHPAPI zend_string *_php_math_number_format_ex(double, int, char *, size_t, char *, size_t);
  27 PHPAPI zend_string * _php_math_longtobase(zval *arg, int base);
  28 PHPAPI zend_long _php_math_basetolong(zval *arg, int base);
  29 PHPAPI int _php_math_basetozval(zval *arg, int base, zval *ret);
  30 PHPAPI zend_string * _php_math_zvaltobase(zval *arg, int base);
  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 PHP_FUNCTION(intdiv);
  70 
  71    /*
  72    WARNING: these functions are expermental: they could change their names or 
  73    disappear in the next version of PHP!
  74    */
  75 PHP_FUNCTION(hypot);
  76 PHP_FUNCTION(expm1);
  77 PHP_FUNCTION(log1p);
  78 
  79 PHP_FUNCTION(sinh);
  80 PHP_FUNCTION(cosh);
  81 PHP_FUNCTION(tanh);
  82 
  83 PHP_FUNCTION(asinh);
  84 PHP_FUNCTION(acosh);
  85 PHP_FUNCTION(atanh);
  86 
  87 #include <math.h>
  88 
  89 #ifndef M_E
  90 #define M_E            2.7182818284590452354   /* e */
  91 #endif
  92 
  93 #ifndef M_LOG2E
  94 #define M_LOG2E        1.4426950408889634074   /* log_2 e */
  95 #endif
  96 
  97 #ifndef M_LOG10E
  98 #define M_LOG10E       0.43429448190325182765  /* log_10 e */
  99 #endif
 100 
 101 #ifndef M_LN2
 102 #define M_LN2          0.69314718055994530942  /* log_e 2 */
 103 #endif
 104 
 105 #ifndef M_LN10
 106 #define M_LN10         2.30258509299404568402  /* log_e 10 */
 107 #endif
 108 
 109 #ifndef M_PI
 110 #define M_PI           3.14159265358979323846  /* pi */
 111 #endif
 112 
 113 #ifndef M_PI_2
 114 #define M_PI_2         1.57079632679489661923  /* pi/2 */
 115 #endif
 116 
 117 #ifndef M_PI_4
 118 #define M_PI_4         0.78539816339744830962  /* pi/4 */
 119 #endif
 120 
 121 #ifndef M_1_PI
 122 #define M_1_PI         0.31830988618379067154  /* 1/pi */
 123 #endif
 124 
 125 #ifndef M_2_PI
 126 #define M_2_PI         0.63661977236758134308  /* 2/pi */
 127 #endif
 128 
 129 #ifndef M_SQRTPI
 130 #define M_SQRTPI       1.77245385090551602729  /* sqrt(pi) */
 131 #endif
 132 
 133 #ifndef M_2_SQRTPI
 134 #define M_2_SQRTPI     1.12837916709551257390  /* 2/sqrt(pi) */
 135 #endif
 136 
 137 #ifndef M_LNPI
 138 #define M_LNPI         1.14472988584940017414  /* ln(pi) */
 139 #endif
 140 
 141 #ifndef M_EULER
 142 #define M_EULER        0.57721566490153286061 /* Euler constant */
 143 #endif
 144 
 145 #ifndef M_SQRT2
 146 #define M_SQRT2        1.41421356237309504880  /* sqrt(2) */
 147 #endif
 148 
 149 #ifndef M_SQRT1_2
 150 #define M_SQRT1_2      0.70710678118654752440  /* 1/sqrt(2) */
 151 #endif
 152 
 153 #ifndef M_SQRT3
 154 #define M_SQRT3        1.73205080756887729352  /* sqrt(3) */
 155 #endif
 156 
 157 /* Define rounding modes (all are round-to-nearest) */
 158 #ifndef PHP_ROUND_HALF_UP
 159 #define PHP_ROUND_HALF_UP        0x01    /* Arithmetic rounding, up == away from zero */
 160 #endif
 161 
 162 #ifndef PHP_ROUND_HALF_DOWN
 163 #define PHP_ROUND_HALF_DOWN      0x02    /* Down == towards zero */
 164 #endif
 165 
 166 #ifndef PHP_ROUND_HALF_EVEN
 167 #define PHP_ROUND_HALF_EVEN      0x03    /* Banker's rounding */
 168 #endif
 169 
 170 #ifndef PHP_ROUND_HALF_ODD
 171 #define PHP_ROUND_HALF_ODD       0x04
 172 #endif
 173 
 174 #endif /* PHP_MATH_H */