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fixes #178

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This commit is contained in:
Dennis Eichhorn 2018-09-04 22:27:05 +02:00
parent 1ae4bba960
commit 7a5f75eedc
1 changed files with 35 additions and 0 deletions
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35
tests/Math/Matrix/LUDecompositionTest.php
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@ -44,10 +44,45 @@ class LUDecompositionTest extends \PHPUnit\Framework\TestCase
$vec = new Vector(); $vec = new Vector();
$vec->setMatrix([[40], [49], [28]]); $vec->setMatrix([[40], [49], [28]]);
self::assertTrue($lu->isNonSingular());
self::assertEquals([[1], [2], [3]], $lu->solve($vec)->toArray(), '', 0.2); self::assertEquals([[1], [2], [3]], $lu->solve($vec)->toArray(), '', 0.2);
self::assertEquals([0, 1, 2], $lu->getPivot()); self::assertEquals([0, 1, 2], $lu->getPivot());
} }
public function testSingularMatrix()
{
$B = new Matrix();
$B->setMatrix([
[25, 15, -5],
[0, 0, 1],
[0, 0, 2],
]);
$lu = new LUDecomposition($B);
self::assertFalse($lu->isNonSingular());
}
/**
* @expectedException \Exception
*/
public function testSolveOfSingularMatrix()
{
$B = new Matrix();
$B->setMatrix([
[25, 15, -5],
[0, 0, 1],
[0, 0, 2],
]);
$lu = new LUDecomposition($B);
$vec = new Vector();
$vec->setMatrix([[40], [49], [28]]);
$lu->solve($vec);
}
/** /**
* @expectedException \phpOMS\Math\Matrix\Exception\InvalidDimensionException * @expectedException \phpOMS\Math\Matrix\Exception\InvalidDimensionException
*/ */