Proyectos de Subversion Moodle

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<?php
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declare(strict_types=1);
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namespace Phpml\NeuralNetwork\Node\Neuron;
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use Phpml\NeuralNetwork\Node;
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class Synapse
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{
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    /**
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     * @var float
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     */
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    protected $weight;
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    /**
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     * @var Node
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     */
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    protected $node;
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    /**
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     * @param float|null $weight
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     */
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    public function __construct(Node $node, ?float $weight = null)
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    {
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        $this->node = $node;
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        $this->weight = $weight ?? $this->generateRandomWeight();
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    }
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    public function getOutput(): float
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    {
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        return $this->weight * $this->node->getOutput();
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    }
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    public function changeWeight(float $delta): void
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    {
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        $this->weight += $delta;
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    }
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    public function getWeight(): float
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    {
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        return $this->weight;
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    }
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    public function getNode(): Node
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    {
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        return $this->node;
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    }
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    protected function generateRandomWeight(): float
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    {
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        return (1 / random_int(5, 25) * random_int(0, 1)) > 0 ? -1 : 1;
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    }
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}