21 lines
353 B
PHP
21 lines
353 B
PHP
<?php
|
|
|
|
declare (strict_types = 1);
|
|
|
|
namespace Phpml\NeuralNetwork\ActivationFunction;
|
|
|
|
use Phpml\NeuralNetwork\ActivationFunction;
|
|
|
|
class BinaryStep implements ActivationFunction
|
|
{
|
|
/**
|
|
* @param float|int $value
|
|
*
|
|
* @return float
|
|
*/
|
|
public function compute($value): float
|
|
{
|
|
return $value >= 0 ? 1.0 : 0.0;
|
|
}
|
|
}
|