Returns a NumArray filled with 1
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public static ones ( ) : |
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| return | ||
/**
* @return array
*/
public function run()
{
$result = [];
for ($i = 100; $i <= 1000; $i += 100) {
$numArray = NumPHP::ones($i, $i);
$time = microtime(true);
$numArray->abs();
$timeDiff = microtime(true) - $time;
$result[$i] = new TestRun($i, $timeDiff);
}
return $result;
}
/**
* Tests NumArray::getSize on scalar
*/
public function testGetSize()
{
$numArray = NumPHP::ones();
$this->assertSame(1, $numArray->getSize());
}
/**
* Tests if InvalidArgumentException will be thrown, when using LinAlg::solve with not align matrix and vector
*
* @expectedException \NumPHP\LinAlg\Exception\InvalidArgumentException
* @expectedExceptionMessage Can not solve a linear system with matrix (4, 4) and matrix (3)
*/
public function testSolveNotAlign()
{
$matrix = NumPHP::identity(4);
$vector = NumPHP::ones(3);
LinAlg::solve($matrix, $vector);
}
/**
* Tests if Helper::isSquareMatrix works with invalid square matrix
*/
public function testCheckSquareMatrixInvalid()
{
$numArray = NumPHP::ones(2, 3);
$this->assertFalse(Helper::isSquareMatrix($numArray));
}
/**
* Tests NumPHP::eye with argument 1
*/
public function testEye1()
{
$numArray = NumPHP::eye(1);
$expectedNumArray = NumPHP::ones(1, 1);
$this->assertNumArrayEquals($expectedNumArray, $numArray);
}
/**
* Tests if InvalidArgumentException will be thrown, when using NumArray::reshape
* with wrong size
*
* @expectedException \NumPHP\Core\Exception\InvalidArgumentException
* @expectedExceptionMessage Total size of new array must be unchanged
*/
public function testReshapeInvalidArgumentException()
{
$numArray = NumPHP::ones(2, 3);
$numArray->reshape(2, 2);
}
/**
* Tests NumPHP::onesLike with 3x2 matrix
*/
public function testOnesLike()
{
$numArray = new NumArray([[1, 1], [1, 1], [1, 1]]);
$expectedNumArray = NumPHP::ones(3, 2);
$this->assertNumArrayEquals($expectedNumArray, NumPHP::onesLike($numArray));
}