public function testNegate()
{
// Arrange
$vector = new Vector(array(1, 2, 3));
// Act
$vector->negate();
// Assert
$this->assertEquals('[-1.0000000000, -2.0000000000, -3.0000000000]', (string) $vector);
}
public function testNegate()
{
// Arrange
$vector = new Vector(array(1, 2, 3));
// Act
$vector->negate();
// Assert
$this->assertEquals('[-1.0000000000, -2.0000000000, -3.0000000000]', (string) $vector);
}
