Synapse::__construct() - Code Metrics - Inspection of "add Neuron and Synapse classes" - php-ai/php-ml - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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by Arkadiusz

created 2016-08-02 18:30 UTC

Synapse::__construct() A

↳ Parent: Synapse

Complexity

Conditions	2
Paths	2

Size

Total Lines	5
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes

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

<?php

declare (strict_types = 1);

namespace Phpml\NeuralNetwork\Node;

use Phpml\NeuralNetwork\Node;

class Synapse implements Node
{
    /**
     * @var float
     */
    protected $weight;

    /**
     * @var Node
     */
    protected $node;

    /**
     * @param Node       $node
     * @param float|null $weight
     */
    public function __construct(Node $node, float $weight = null)
    {
        $this->node = $node;
        $this->weight = $weight ?: $this->generateRandomWeight();
    }

    /**
     * @return float
     */
    protected function generateRandomWeight(): float
    {
        return 1 / rand(5, 25) * (rand(0, 1) ? -1 : 1);
    }

    /**
     * @return float
     */
    public function getOutput(): float
    {
        return $this->weight * $this->node->getOutput();
    }

    /**
     * @param float $delta
     */
    public function changeWeight($delta)
    {
        $this->weight += $delta;
    }

    /**
     * @return float
     */
    public function getWeight()
    {
        return $this->weight;
    }

    /**
     * @return Node
     */
    public function getNode()
    {
        return $this->node;
    }
}


1			<?php
2
3			declare (strict_types = 1);
4
5			namespace Phpml\NeuralNetwork\Node;
6
7			use Phpml\NeuralNetwork\Node;
8
9			class Synapse implements Node
10			{
11			/**
12			* @var float
13			*/
14			protected $weight;
15
16			/**
17			* @var Node
18			*/
19			protected $node;
20
21			/**
22			* @param Node $node
23			* @param float\|null $weight
24			*/
25			public function __construct(Node $node, float $weight = null)
26			{
27			$this->node = $node;
28			$this->weight = $weight ?: $this->generateRandomWeight();
29			}
30
31			/**
32			* @return float
33			*/
34			protected function generateRandomWeight(): float
35			{
36			return 1 / rand(5, 25) * (rand(0, 1) ? -1 : 1);
37			}
38
39			/**
40			* @return float
41			*/
42			public function getOutput(): float
43			{
44			return $this->weight * $this->node->getOutput();
45			}
46
47			/**
48			* @param float $delta
49			*/
50			public function changeWeight($delta)
51			{
52			$this->weight += $delta;
53			}
54
55			/**
56			* @return float
57			*/
58			public function getWeight()
59			{
60			return $this->weight;
61			}
62
63			/**
64			* @return Node
65			*/
66			public function getNode()
67			{
68			return $this->node;
69			}
70			}
71

php-ai / php-ml

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Synapse::__construct() A

Complexity

Size

Duplication

Importance

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