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make scalar function static

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This commit is contained in:
Arkadiusz Kondas 2016-04-21 22:12:45 +02:00
parent 34281e40ee
commit b30f4cbf11
2 changed files with 4 additions and 6 deletions
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2
src/Phpml/Math/Product.php
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@ -12,7 +12,7 @@ class Product
* *
* @return mixed * @return mixed
*/ */
public function scalar(array $a, array $b) public static function scalar(array $a, array $b)
{ {
$product = 0; $product = 0;
foreach ($a as $index => $value) { foreach ($a as $index => $value) {

8
tests/Phpml/Math/ProductTest.php
View File

@ -10,11 +10,9 @@ class ProductTest extends \PHPUnit_Framework_TestCase
public function testScalarProduct() public function testScalarProduct()
{ {
$product = new Product(); $this->assertEquals(10, Product::scalar([2, 3], [-1, 4]));
$this->assertEquals(-0.1, Product::scalar([1, 4, 1], [-2, 0.5, -0.1]));
$this->assertEquals(10, $product->scalar([2, 3], [-1, 4])); $this->assertEquals(8, Product::scalar([2], [4]));
$this->assertEquals(-0.1, $product->scalar([1, 4, 1], [-2, 0.5, -0.1]));
$this->assertEquals(8, $product->scalar([2], [4]));
} }
} }