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Removed MT Random generator namespace

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This commit is contained in:
Shoghi Cervantes 2013-05-21 20:14:03 +02:00
parent b7083032f3
commit acc373525f
2 changed files with 6 additions and 16 deletions
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20
src/utils/MersenneTwister.php
View File

@ -21,35 +21,25 @@
*/ */
namespace mersenne_twister;
const N = 624; const N = 624;
const M = 397; const M = 397;
const MATRIX_A = 0x9908b0df; const MATRIX_A = 0x9908b0df;
const UPPER_MASK = 0x80000000; const UPPER_MASK = 0x80000000;
const LOWER_MASK = 0x7fffffff; const LOWER_MASK = 0x7fffffff;
function define_constants() {
$code = "";
$namespace = __NAMESPACE__;
foreach (array(10, 11, 12, 14, 20, 21, 22, 26, 27, 31) as $n) { foreach (array(10, 11, 12, 14, 20, 21, 22, 26, 27, 31) as $n) {
$val = ~((~0) << $n); $val = ~((~0) << $n);
$code .= "namespace $namespace { const MASK$n = $val; }\n"; define("MASK$n", $val);
} }
foreach (array(16, 31, 32) as $n) { foreach (array(16, 31, 32) as $n) {
$val = pow(2, $n); $val = pow(2, $n);
$code .= "namespace $namespace { const TWO_TO_THE_$n = $val; }\n"; define("TWO_TO_THE_$n",$val);
} }
eval($code);
$val = MASK31 | (MASK31 << 1); $val = MASK31 | (MASK31 << 1);
eval("namespace $namespace { const MASK32 = $val; }"); define("MASK32", $val);
}
define_constants();
class twister { class twister {
const N = N; const N = N;
@ -86,7 +76,7 @@ class twister {
function init_with_array(array $integer_array) { function init_with_array(array $integer_array) {
$integer_array = $integer_array =
array_map(__NAMESPACE__ . "\\force_32_bit_int", $integer_array); array_map("force_32_bit_int", $integer_array);
$mt = &$this->mt; $mt = &$this->mt;
$mti = &$this->mti; $mti = &$this->mti;
@ -482,7 +472,7 @@ function do_bc_op($bc_op, array $numbers) {
$result = $result =
call_user_func_array($bc_op, call_user_func_array($bc_op,
array_map(__NAMESPACE__ . "\\signed2unsigned", $numbers)); array_map("signed2unsigned", $numbers));
$result = bcmod($result, $modulus); $result = bcmod($result, $modulus);

2
src/utils/Random.php
View File

@ -30,7 +30,7 @@ the Free Software Foundation, either version 3 of the License, or
class Random{ class Random{
private $random; private $random;
public function __construct($seed = false){ public function __construct($seed = false){
$this->random = new mersenne_twister\twister(0); $this->random = new twister(0);
$this->setSeed($seed); $this->setSeed($seed);
} }