public function execute($left, $right)
{
$result = new StructComplex();
$result->setRe($left->getRe() + $right->getRe());
$result->setIm($left->getIm() + $right->getIm());
return $result;
}
public function execute($numenator, $denominator)
{
$result = new StructComplex();
if (0 == $denominator->getRe() && 0 == $denominator->getIm()) {
throw new \InvalidArgumentException('None of rational and imaginary part of denominator can not be 0.');
}
$result->setRe(($numenator->getRe() * $denominator->getRe() + $numenator->getIm() * $denominator->getIm()) / (pow($denominator->getRe(), 2) + pow($denominator->getIm(), 2)));
$result->setIm(($numenator->getIm() * $denominator->getRe() - $numenator->getRe() * $denominator->getIm()) / (pow($denominator->getRe(), 2) + pow($denominator->getIm(), 2)));
return $result;
}