/**
* Axiom: A⊥⋅A = 0
* Perp dot product with itself will be zero.
* @dataProvider dataProviderForPerpendicularIdentity
*/
public function testPerpDotProductZero(array $A)
{
$A = new Vector($A);
$A⊥⋅A = $A->perpDotProduct($A);
$this->assertEquals(0, $A⊥⋅A);
}
public function testPerpDotProductExceptionNNotBothTwo()
{
$A = new Vector([1, 2, 3]);
$B = new Vector([1, 2, 3]);
$this->setExpectedException('MathPHP\\Exception\\VectorException');
$A->perpDotProduct($B);
}
