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moving math function into Math static helper

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This commit is contained in:
Benjamin Delespierre
2022-03-26 23:09:44 +01:00
parent e248e7c428
commit b942f37aba
6 changed files with 90 additions and 86 deletions
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14
tests/Unit/AlgorithmTest.php
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@ -10,6 +10,7 @@ use Kmeans\Interfaces\ClusterCollectionInterface;
use Kmeans\Interfaces\InitializationSchemeInterface;
use Kmeans\Interfaces\PointCollectionInterface;
use Kmeans\Interfaces\SpaceInterface;
use Kmeans\Math;
use Kmeans\Point;
use Kmeans\PointCollection;
use Kmeans\Space;
@ -23,6 +24,7 @@ use PHPUnit\Framework\TestCase;
* @uses \Kmeans\Point
* @uses \Kmeans\PointCollection
* @uses \Kmeans\Space
* @uses \Kmeans\Math
*/
class AlgorithmTest extends TestCase
{
@ -47,9 +49,9 @@ class AlgorithmTest extends TestCase
* @covers ::getDistanceBetween
* @covers ::invokeIterationCallbacks
* @covers ::iterate
* @covers euclidean_dist
* @covers find_centroid
* @covers generate_gaussian_noise
* @covers \Kmeans\Math::euclideanDist
* @covers \Kmeans\Math::centroid
* @covers \Kmeans\Math::gaussianNoise
* @param int<0, max> $dimensions
* @param array<array<float>> $expected
* @param array<array<float>> $initialClusterCentroids
@ -87,7 +89,7 @@ class AlgorithmTest extends TestCase
foreach ($expected as $n => $expectedCentroid) {
// assert found cluster centroids are in the vicinity
// of expected centroids
$this->assertLessThan(1, euclidean_dist(
$this->assertLessThan(1, Math::euclideanDist(
$expectedCentroid,
$resultClusters[$n]->getCentroid()->getCoordinates()
));
@ -167,7 +169,7 @@ class AlgorithmTest extends TestCase
* @covers ::invokeIterationCallbacks
* @covers ::getClosestCluster
* @covers ::getDistanceBetween
* @covers euclidean_dist
* @covers \Kmeans\Math::euclideanDist
*/
public function testIterationCallback(): void
{
@ -213,7 +215,7 @@ class AlgorithmTest extends TestCase
$coordinates = $centroid;
foreach ($coordinates as &$n) {
list($n) = generate_gaussian_noise($n, $radius);
list($n) = Math::gaussianNoise($n, $radius);
}
$points->attach(new Point($space, $coordinates));