Esempi in PHP per NlpTools\Random\Generators MersenneTwister

Esempio n. 1

File: AbstractDistribution.php Progetto: LewisGet/php-nlp-tools

 public function __construct(GeneratorInterface $rnd = null)
 {
     if ($rnd == null) {
         $this->rnd = MersenneTwister::get();
     } else {
         $this->rnd = $rnd;
     }
 }

Esempio n. 2

File: create_dataset.php Progetto: Tjorriemorrie/app

/**
 * Draw once from a multinomial distribution
 */
function draw($d)
{
    $mt = MersenneTwister::get();
    // simply mt_rand but in the interval [0,1)
    $x = $mt->generate();
    $p = 0.0;
    foreach ($d as $i => $v) {
        $p += $v;
        if ($p > $x) {
            return $i;
        }
    }
}