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43 lines
1.0 KiB
PHP
43 lines
1.0 KiB
PHP
<?php
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/**
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* Karaka
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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 1.0
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* @version 1.0.0
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* @link https://karaka.app
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*/
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declare(strict_types=1);
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namespace phpOMS\tests\Math\Numerics\Interpolation;
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use phpOMS\Math\Numerics\Interpolation\LagrangeInterpolation;
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/**
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* @testdox phpOMS\tests\Math\Numerics\Interpolation\LagrangeInterpolationTest: Lagrange interpolation
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*
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* @internal
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*/
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final class LagrangeInterpolationTest extends \PHPUnit\Framework\TestCase
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{
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/**
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* @testdox The lagrange interpolation is correct
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* @covers phpOMS\Math\Numerics\Interpolation\LagrangeInterpolation
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* @group framework
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*/
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public function testInterpolation() : void
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{
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$interpolation = new LagrangeInterpolation([
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['x' => 0.0, 'y' => 2.0],
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['x' => 1.0, 'y' => 3.0],
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['x' => 2.0, 'y' => 12.0],
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['x' => 5.0, 'y' => 147.0],
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]);
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self::assertEqualsWithDelta(35.0, $interpolation->interpolate(3.0), 0.1);
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}
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}
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