/**
* Axiom: 0A = 0
* Multiplying (scaling) by 0 gives the zero vector
* @dataProvider dataProviderForSingleVector
*/
public function testScalarMultiplyZeroIdentity(array $A)
{
$A = new Vector($A);
$０A = $A->scalarMultiply(0);
$zero = new Vector(array_fill(0, $A->getN(), 0));
$this->assertEquals($zero, $０A);
$this->assertEquals($zero->getVector(), $０A->getVector());
}
/**
* @dataProvider dataProviderForGetN
*/
public function testGetN(array $A, int $n)
{
$vector = new Vector($A);
$this->assertEquals($n, $vector->getN());
}