These results are based on our legacy PHP analysis, consider migrating to our new PHP analysis engine instead. Learn more
1 | <?php |
||
2 | |||
3 | declare(strict_types=1); |
||
4 | |||
5 | namespace Phpml\NeuralNetwork\ActivationFunction; |
||
6 | |||
7 | use Phpml\NeuralNetwork\ActivationFunction; |
||
8 | |||
9 | View Code Duplication | class HyperbolicTangent implements ActivationFunction |
|
0 ignored issues
–
show
|
|||
10 | { |
||
11 | /** |
||
12 | * @var float |
||
13 | */ |
||
14 | private $beta; |
||
15 | |||
16 | public function __construct(float $beta = 1.0) |
||
17 | { |
||
18 | $this->beta = $beta; |
||
19 | } |
||
20 | |||
21 | /** |
||
22 | * @param float|int $value |
||
23 | */ |
||
24 | public function compute($value): float |
||
25 | { |
||
26 | return tanh($this->beta * $value); |
||
27 | } |
||
28 | |||
29 | /** |
||
30 | * @param float|int $value |
||
31 | * @param float|int $computedvalue |
||
32 | */ |
||
33 | public function differentiate($value, $computedvalue): float |
||
34 | { |
||
35 | return 1 - pow($computedvalue, 2); |
||
36 | } |
||
37 | } |
||
38 |
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.