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fix parameter order

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This commit is contained in:
Dennis Eichhorn 2023-10-22 16:54:39 +00:00
parent 8f0f105b8a
commit c52b6c8863
2 changed files with 38 additions and 36 deletions
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2
Math/Topology/Kernel2D.php
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@ -17,6 +17,8 @@ namespace phpOMS\Math\Topology;
/** /**
* Kernels. * Kernels.
* *
* The bandwidth in the following functions is equivalent with sigma.
*
* @package phpOMS\Math\Topology * @package phpOMS\Math\Topology
* @license OMS License 2.0 * @license OMS License 2.0
* @link https://jingga.app * @link https://jingga.app

72
tests/Math/Topology/Kernel2DTest.php
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@ -25,91 +25,91 @@ final class Kernel2DTest extends \PHPUnit\Framework\TestCase
{ {
public function testUniform() : void public function testUniform() : void
{ {
self::assertEquals(0.5, Kernel2D::uniformKernel(1, 0)); self::assertEquals(0.5, Kernel2D::uniformKernel(0, 1));
self::assertEquals(0.5, Kernel2D::uniformKernel(1, -1)); self::assertEquals(0.5, Kernel2D::uniformKernel(-1, 1));
self::assertEquals(0.5, Kernel2D::uniformKernel(1, 1)); self::assertEquals(0.5, Kernel2D::uniformKernel(1, 1));
self::assertEquals(0.0, Kernel2D::uniformKernel(1, 2)); self::assertEquals(0.0, Kernel2D::uniformKernel(2, 1));
self::assertEquals(0.0, Kernel2D::uniformKernel(1, -2)); self::assertEquals(0.0, Kernel2D::uniformKernel(-2, 1));
} }
public function testTriangle() : void public function testTriangle() : void
{ {
self::assertEquals(1.0, Kernel2D::triangularKernel(1, 0)); self::assertEquals(1.0, Kernel2D::triangularKernel(0, 1));
self::assertEquals(0.0, Kernel2D::triangularKernel(1, -1)); self::assertEquals(0.0, Kernel2D::triangularKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::triangularKernel(1, 1)); self::assertEquals(0.0, Kernel2D::triangularKernel(1, 1));
self::assertEquals(0.0, Kernel2D::triangularKernel(1, 2)); self::assertEquals(0.0, Kernel2D::triangularKernel(2, 1));
self::assertEquals(0.0, Kernel2D::triangularKernel(1, -2)); self::assertEquals(0.0, Kernel2D::triangularKernel(-2, 1));
} }
public function testEpanechnikov() : void public function testEpanechnikov() : void
{ {
self::assertEquals(3 / 4, Kernel2D::epanechnikovKernel(1, 0)); self::assertEquals(3 / 4, Kernel2D::epanechnikovKernel(0, 1));
self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, -1)); self::assertEquals(0.0, Kernel2D::epanechnikovKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, 1)); self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, 1));
self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, 2)); self::assertEquals(0.0, Kernel2D::epanechnikovKernel(2, 1));
self::assertEquals(0.0, Kernel2D::epanechnikovKernel(1, -2)); self::assertEquals(0.0, Kernel2D::epanechnikovKernel(-2, 1));
} }
public function testQuartic() : void public function testQuartic() : void
{ {
self::assertEquals(15 / 6, Kernel2D::quarticKernel(1, 0)); self::assertEquals(15 / 6, Kernel2D::quarticKernel(0, 1));
self::assertEquals(0.0, Kernel2D::quarticKernel(1, -1)); self::assertEquals(0.0, Kernel2D::quarticKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::quarticKernel(1, 1)); self::assertEquals(0.0, Kernel2D::quarticKernel(1, 1));
self::assertEquals(0.0, Kernel2D::quarticKernel(1, 2)); self::assertEquals(0.0, Kernel2D::quarticKernel(2, 1));
self::assertEquals(0.0, Kernel2D::quarticKernel(1, -2)); self::assertEquals(0.0, Kernel2D::quarticKernel(-2, 1));
} }
public function testTriweight() : void public function testTriweight() : void
{ {
self::assertEquals(35 / 32, Kernel2D::triweightKernel(1, 0)); self::assertEquals(35 / 32, Kernel2D::triweightKernel(0, 1));
self::assertEquals(0.0, Kernel2D::triweightKernel(1, -1)); self::assertEquals(0.0, Kernel2D::triweightKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::triweightKernel(1, 1)); self::assertEquals(0.0, Kernel2D::triweightKernel(1, 1));
self::assertEquals(0.0, Kernel2D::triweightKernel(1, 2)); self::assertEquals(0.0, Kernel2D::triweightKernel(2, 1));
self::assertEquals(0.0, Kernel2D::triweightKernel(1, -2)); self::assertEquals(0.0, Kernel2D::triweightKernel(-2, 1));
} }
public function testTricube() : void public function testTricube() : void
{ {
self::assertEquals(70 / 81, Kernel2D::tricubeKernel(1, 0)); self::assertEquals(70 / 81, Kernel2D::tricubeKernel(0, 1));
self::assertEquals(0.0, Kernel2D::tricubeKernel(1, -1)); self::assertEquals(0.0, Kernel2D::tricubeKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::tricubeKernel(1, 1)); self::assertEquals(0.0, Kernel2D::tricubeKernel(1, 1));
self::assertEquals(0.0, Kernel2D::tricubeKernel(1, 2)); self::assertEquals(0.0, Kernel2D::tricubeKernel(2, 1));
self::assertEquals(0.0, Kernel2D::tricubeKernel(1, -2)); self::assertEquals(0.0, Kernel2D::tricubeKernel(-2, 1));
} }
public function testGaussian() : void public function testGaussian() : void
{ {
self::assertEquals(1 / \sqrt(2 * \M_PI), Kernel2D::gaussianKernel(1, 0)); self::assertEquals(1 / \sqrt(2 * \M_PI), Kernel2D::gaussianKernel(0, 1));
self::assertEquals(0.0, Kernel2D::gaussianKernel(1, -1)); self::assertEquals(0.0, Kernel2D::gaussianKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::gaussianKernel(1, 1)); self::assertEquals(0.0, Kernel2D::gaussianKernel(1, 1));
self::assertEquals(0.0, Kernel2D::gaussianKernel(1, 2)); self::assertEquals(0.0, Kernel2D::gaussianKernel(2, 1));
self::assertEquals(0.0, Kernel2D::gaussianKernel(1, -2)); self::assertEquals(0.0, Kernel2D::gaussianKernel(-2, 1));
} }
public function testCosine() : void public function testCosine() : void
{ {
self::assertEquals(\M_PI / 4, Kernel2D::cosineKernel(1, 0)); self::assertEquals(\M_PI / 4, Kernel2D::cosineKernel(0, 1));
self::assertEquals(0.0, Kernel2D::cosineKernel(1, -1)); self::assertEquals(0.0, Kernel2D::cosineKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::cosineKernel(1, 1)); self::assertEquals(0.0, Kernel2D::cosineKernel(1, 1));
self::assertEquals(0.0, Kernel2D::cosineKernel(1, 2)); self::assertEquals(0.0, Kernel2D::cosineKernel(2, 1));
self::assertEquals(0.0, Kernel2D::cosineKernel(1, -2)); self::assertEquals(0.0, Kernel2D::cosineKernel(-2, 1));
} }
public function testLogistic() : void public function testLogistic() : void
{ {
self::assertEquals(0.5, Kernel2D::logisticKernel(1, 0)); self::assertEquals(0.5, Kernel2D::logisticKernel(0, 1));
self::assertEquals(0.0, Kernel2D::logisticKernel(1, -1)); self::assertEquals(0.0, Kernel2D::logisticKernel(-1, 1));
self::assertEquals(0.0, Kernel2D::logisticKernel(1, 1)); self::assertEquals(0.0, Kernel2D::logisticKernel(1, 1));
self::assertEquals(0.0, Kernel2D::logisticKernel(1, 2)); self::assertEquals(0.0, Kernel2D::logisticKernel(2, 1));
self::assertEquals(0.0, Kernel2D::logisticKernel(1, -2)); self::assertEquals(0.0, Kernel2D::logisticKernel(-2, 1));
} }
} }