24 lines
968 B
PHP
24 lines
968 B
PHP
<?php
|
|
|
|
namespace PhpOffice\PhpSpreadsheetTests\Calculation\Functions\MathTrig;
|
|
|
|
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig\MatrixFunctions;
|
|
|
|
class MUnitTest extends AllSetupTeardown
|
|
{
|
|
public function testMUNIT(): void
|
|
{
|
|
$identity = MatrixFunctions::funcMUnit(3);
|
|
self::assertEquals([[1, 0, 0], [0, 1, 0], [0, 0, 1]], $identity);
|
|
$startArray = [[1, 2, 2], [4, 5, 6], [7, 8, 9]];
|
|
$resultArray = MatrixFunctions::funcMMult($startArray, $identity);
|
|
self::assertEquals($startArray, $resultArray);
|
|
$inverseArray = MatrixFunctions::funcMInverse($startArray);
|
|
$resultArray = MatrixFunctions::funcMMult($startArray, $inverseArray);
|
|
self::assertEquals($identity, $resultArray);
|
|
self::assertEquals('#VALUE!', MatrixFunctions::funcMUnit(0));
|
|
self::assertEquals('#VALUE!', MatrixFunctions::funcMUnit(-1));
|
|
self::assertEquals('#VALUE!', MatrixFunctions::funcMUnit('X'));
|
|
}
|
|
}
|