Layer::__construct() - Code Metrics - Inspection of "Add activationFunction parameter for Perceptron an..." - php-ai/php-ml - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Arkadiusz

created 2016-08-11 11:21 UTC

Layer::__construct() A

↳ Parent: Layer

Complexity

Conditions	3
Paths	3

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	2

Metric	Value
c	2
b	0
f	2
dl	0
loc	10
rs	9.4285
cc	3
eloc	5
nc	3
nop	3

<?php

declare (strict_types = 1);

namespace Phpml\NeuralNetwork;

use Phpml\Exception\InvalidArgumentException;
use Phpml\NeuralNetwork\Node\Neuron;

class Layer
{
    /**
     * @var Node[]
     */
    private $nodes = [];

    /**
     * @param int                     $nodesNumber
     * @param string                  $nodeClass
     * @param ActivationFunction|null $activationFunction
     *
     * @throws InvalidArgumentException
     */
    public function __construct(int $nodesNumber = 0, string $nodeClass = Neuron::class, ActivationFunction $activationFunction = null)
    {
        if (!in_array(Node::class, class_implements($nodeClass))) {
            throw InvalidArgumentException::invalidLayerNodeClass();
        }

        for ($i = 0; $i < $nodesNumber; ++$i) {
            $this->nodes[] = $this->createNode($nodeClass, $activationFunction);
        }
    }

    /**
     * @param string                  $nodeClass
     * @param ActivationFunction|null $activationFunction
     *
     * @return Neuron
     */
    private function createNode(string $nodeClass, ActivationFunction $activationFunction = null)
    {
        if (Neuron::class == $nodeClass) {
            return new Neuron($activationFunction);
        }

        return new $nodeClass();
    }

    /**
     * @param Node $node
     */
    public function addNode(Node $node)
    {
        $this->nodes[] = $node;
    }

    /**
     * @return Node[]
     */
    public function getNodes()
    {
        return $this->nodes;
    }
}


1			<?php
2
3			declare (strict_types = 1);
4
5			namespace Phpml\NeuralNetwork;
6
7			use Phpml\Exception\InvalidArgumentException;
8			use Phpml\NeuralNetwork\Node\Neuron;
9
10			class Layer
11			{
12			/**
13			* @var Node[]
14			*/
15			private $nodes = [];
16
17			/**
18			* @param int $nodesNumber
19			* @param string $nodeClass
20			* @param ActivationFunction\|null $activationFunction
21			*
22			* @throws InvalidArgumentException
23			*/
24			public function __construct(int $nodesNumber = 0, string $nodeClass = Neuron::class, ActivationFunction $activationFunction = null)
25			{
26			if (!in_array(Node::class, class_implements($nodeClass))) {
27			throw InvalidArgumentException::invalidLayerNodeClass();
28			}
29
30			for ($i = 0; $i < $nodesNumber; ++$i) {
31			$this->nodes[] = $this->createNode($nodeClass, $activationFunction);
32			}
33			}
34
35			/**
36			* @param string $nodeClass
37			* @param ActivationFunction\|null $activationFunction
38			*
39			* @return Neuron
40			*/
41			private function createNode(string $nodeClass, ActivationFunction $activationFunction = null)
42			{
43			if (Neuron::class == $nodeClass) {
44			return new Neuron($activationFunction);
45			}
46
47			return new $nodeClass();
48			}
49
50			/**
51			* @param Node $node
52			*/
53			public function addNode(Node $node)
54			{
55			$this->nodes[] = $node;
56			}
57
58			/**
59			* @return Node[]
60			*/
61			public function getNodes()
62			{
63			return $this->nodes;
64			}
65			}
66

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Layer::__construct() A

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