mirror of
https://github.com/Karaka-Management/phpOMS.git
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116 lines
3.9 KiB
PHP
116 lines
3.9 KiB
PHP
<?php
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/**
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* Jingga
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*
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* PHP Version 8.1
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*
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* @package tests
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* @copyright Dennis Eichhorn
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* @license OMS License 2.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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declare(strict_types=1);
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namespace phpOMS\tests\Math\Topology;
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use phpOMS\Math\Topology\Kernel2D;
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/**
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* @testdox phpOMS\tests\Math\Topology\Kernel2DTest: Metric/distance calculations
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*
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* @internal
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*/
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final class Kernel2DTest extends \PHPUnit\Framework\TestCase
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{
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public function testUniform() : void
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{
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self::assertEquals(0.5, Kernel2D::uniformKernel(1, 0));
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self::assertEquals(0.5, Kernel2D::uniformKernel(1, -1));
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self::assertEquals(0.5, Kernel2D::uniformKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::uniformKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::uniformKernel(1, -2));
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}
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public function testTriangle() : void
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{
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self::assertEquals(1.0, Kernel2D::triangularKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::triangularKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::triangularKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::triangularKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::triangularKernel(1, -2));
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}
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public function testEpanechnikov() : void
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{
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self::assertEquals(3 / 4, Kernel2D::epanechnikovKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, -2));
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}
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public function testQuartic() : void
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{
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self::assertEquals(15 / 6, Kernel2D::quarticKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::quarticKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::quarticKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::quarticKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::quarticKernel(1, -2));
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}
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public function testTriweight() : void
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{
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self::assertEquals(35 / 32, Kernel2D::triweightKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::triweightKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::triweightKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::triweightKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::triweightKernel(1, -2));
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}
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public function testTricube() : void
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{
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self::assertEquals(70 / 81, Kernel2D::tricubeKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::tricubeKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::tricubeKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::tricubeKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::tricubeKernel(1, -2));
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}
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public function testGaussian() : void
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{
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self::assertEquals(1 / \sqrt(2 * \M_PI), Kernel2D::gaussianKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::gaussianKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::gaussianKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::gaussianKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::gaussianKernel(1, -2));
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}
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public function testCosine() : void
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{
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self::assertEquals(\M_PI / 4, Kernel2D::cosineKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::cosineKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::cosineKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::cosineKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::cosineKernel(1, -2));
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}
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public function testLogistic() : void
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{
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self::assertEquals(0.5, Kernel2D::logisticKernel(1, 0));
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self::assertEquals(0.0, Kernel2D::logisticKernel(1, -1));
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self::assertEquals(0.0, Kernel2D::logisticKernel(1, 1));
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self::assertEquals(0.0, Kernel2D::logisticKernel(1, 2));
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self::assertEquals(0.0, Kernel2D::logisticKernel(1, -2));
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}
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}
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