/**
* Axiom: -1A = -A
* Additive inverse
* @dataProvider dataProviderForAdditiveInverse
*/
public function testScalarMultiplyNegativeOneIdentity(array $A, array $R)
{
$A = new Vector($A);
$ーA = $A->scalarMultiply(-1);
$R = new Vector($R);
$this->assertEquals($R, $ーA);
$this->assertEquals($R->getVector(), $ーA->getVector());
}
/**
* @dataProvider dataProviderForScalarMultiply
*/
public function testScalarMultiply(array $A, $k, array $R)
{
$A = new Vector($A);
$kA = $A->scalarMultiply($k);
$R = new Vector($R);
$this->assertEquals($R, $kA);
$this->assertEquals($R->getVector(), $kA->getVector());
}
