/**
* Tests the LU decomposition.
*
* @test
* @dataProvider provider
* @param array matrix
* @param array permutation
* @param array L
* @param array U
* @param double determinant
*/
public function testLUDecomposition($array, $expectedPermutation, $expectedL, $expectedU)
{
$matrix = new \Libraries\Matrix(sizeof($array), sizeof($array[0]));
$matrix->fromArray($array);
$decomposition = new \Libraries\Decompositions\LU($matrix);
$this->assertSame($expectedL, $decomposition->getL()->asArray());
$this->assertSame($expectedU, $decomposition->getU()->asArray());
$this->assertSame($expectedPermutation, $decomposition->getPermutation()->asArray());
}
/**
* Tests add exceptions.
*
* @test
* @dataProvider providerOperateExceptions
* @expectedException InvalidArgumentException
* @param array matrix
* @param array vector
*/
public function testOperateExceptions($matrix, $vector)
{
$matrixMatrix = new \Libraries\Matrix(sizeof($matrix), sizeof($matrix[0]));
$vectorVector = new \Libraries\Vector(sizeof($vector));
$matrixMatrix->fromArray($matrix);
$vectorVector->fromArray($vector);
\Libraries\Matrix::operate($matrixMatrix, $vectorVector);
}
