/* +----------------------------------------------------------------------+ | PHP Version 7 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2018 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: Rasmus Lerdorf <rasmus@php.net> | | Zeev Suraski <zeev@zend.com> | | Pedro Melo <melo@ip.pt> | | Sterling Hughes <sterling@php.net> | | | | Based on code from: Richard J. Wagner <rjwagner@writeme.com> | | Makoto Matsumoto <matumoto@math.keio.ac.jp> | | Takuji Nishimura | | Shawn Cokus <Cokus@math.washington.edu> | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "php.h" #include "php_rand.h" #include "php_mt_rand.h" /* {{{ php_srand */ PHPAPI void php_srand(zend_long seed) { php_mt_srand(seed); } /* }}} */ /* {{{ php_rand */ PHPAPI zend_long php_rand(void) { return php_mt_rand(); } /* }}} */ /* {{{ proto int mt_rand([int min, int max]) Returns a random number from Mersenne Twister */ PHP_FUNCTION(rand) { zend_long min; zend_long max; int argc = ZEND_NUM_ARGS(); if (argc == 0) { RETURN_LONG(php_mt_rand() >> 1); } if (zend_parse_parameters(argc, "ll", &min, &max) == FAILURE) { return; } if (max < min) { RETURN_LONG(php_mt_rand_common(max, min)); } RETURN_LONG(php_mt_rand_common(min, max)); } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: noet sw=4 ts=4 fdm=marker * vim<600: noet sw=4 ts=4 */