phpOMS/tests/Math/Numerics/Interpolation/LinearInterpolationTest.php
2024-03-20 07:21:26 +00:00

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PHP
Executable File

<?php
/**
* Jingga
*
* PHP Version 8.2
*
* @package tests
* @copyright Dennis Eichhorn
* @license OMS License 2.0
* @version 1.0.0
* @link https://jingga.app
*/
declare(strict_types=1);
namespace phpOMS\tests\Math\Numerics\Interpolation;
use phpOMS\Math\Numerics\Interpolation\LinearInterpolation;
/**
* @internal
*/
#[\PHPUnit\Framework\Attributes\CoversClass(\phpOMS\Math\Numerics\Interpolation\LinearInterpolation::class)]
#[\PHPUnit\Framework\Attributes\TestDox('phpOMS\tests\Math\Numerics\Interpolation\LinearInterpolationTest: Linear interpolation')]
final class LinearInterpolationTest extends \PHPUnit\Framework\TestCase
{
#[\PHPUnit\Framework\Attributes\Group('framework')]
#[\PHPUnit\Framework\Attributes\TestDox('The linear interpolation is correct')]
public function testInterpolation() : void
{
$interpolation = new LinearInterpolation([
['x' => 10.0, 'y' => 0.5],
['x' => 20.0, 'y' => 1.0],
['x' => 30.0, 'y' => 3.0],
['x' => 40.0, 'y' => 5.0],
['x' => 50.0, 'y' => 7.0],
]);
self::assertEqualsWithDelta(0.45, $interpolation->interpolate(9.0), 0.1);
self::assertEqualsWithDelta(4.4, $interpolation->interpolate(37.0), 0.1);
self::assertEqualsWithDelta(10, $interpolation->interpolate(55.0), 0.1);
}
}