php-ml/tests/Phpml/Math/Kernel/RBFTest.php
Tomáš Votruba 653c7c772d Upgrade to PHP 7.1 (#150)
* upgrade to PHP 7.1

* bump travis and composer to PHP 7.1

* fix tests
2017-11-14 21:21:23 +01:00

27 lines
788 B
PHP

<?php
declare(strict_types=1);
namespace test\Phpml\Math\Kernel;
use Phpml\Math\Kernel\RBF;
use PHPUnit\Framework\TestCase;
class RBFTest extends TestCase
{
public function testComputeRBFKernelFunction(): void
{
$rbf = new RBF($gamma = 0.001);
$this->assertEquals(1, $rbf->compute([1, 2], [1, 2]));
$this->assertEquals(0.97336, $rbf->compute([1, 2, 3], [4, 5, 6]), '', $delta = 0.0001);
$this->assertEquals(0.00011, $rbf->compute([4, 5], [1, 100]), '', $delta = 0.0001);
$rbf = new RBF($gamma = 0.2);
$this->assertEquals(1, $rbf->compute([1, 2], [1, 2]));
$this->assertEquals(0.00451, $rbf->compute([1, 2, 3], [4, 5, 6]), '', $delta = 0.0001);
$this->assertEquals(0, $rbf->compute([4, 5], [1, 100]));
}
}