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<?php
declare(strict_types = 1);
namespace DummyGenerator\Core;
use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionInterface;
use DummyGenerator\Definitions\Extension\Awareness\RandomizerAwareExtensionTrait;
use DummyGenerator\Definitions\Extension\BiasedExtensionInterface;
use DummyGenerator\Definitions\Extension\Exception\ExtensionArgumentException;
class Biased implements BiasedExtensionInterface, RandomizerAwareExtensionInterface
{
use RandomizerAwareExtensionTrait;
public function biasedNumberBetween(int $min = 0, int $max = 100, callable|string $function = 'sqrt'): int
if (!is_callable($function)) {
throw new ExtensionArgumentException('Given $function must be a callable');
}
do {
$x = $this->randomizer->getInt(0, PHP_INT_MAX) / PHP_INT_MAX;
$y = $this->randomizer->getInt(0, PHP_INT_MAX) / (PHP_INT_MAX + 1);
} while ($function($x) < $y);
return (int) floor($x * ($max - $min + 1) + $min);
public function unbiased(): int
return 1;
public function linearLow(float $x): float
return 1 - $x;
public function linearHigh(float $x): float
return $x;
johnykvsky /
dummygenerator
