Fail on homomorphic multiplication

[pdroalves]

Hello,

I've found some cases in which the homomorphic multiplication seems to fail. In particular, I got this MWE that tries to compute -22.5 * -22.5:

	long logN = 7;
	long L = 2;
	long logp = 45;
	long logSlots = 1;

	long K = L + 1;
	Context context(logN, logp, L, K);
	SecretKey secretKey(context);
	Scheme scheme(secretKey, context);

	srand(0);

	complex<double> mvec1 = {-22.5,0};
	complex<double> mvec2 = {-22.5,0};

	complex<double> mvecMult;

	mvecMult = mvec1 * mvec2;

	Ciphertext cipher1 = scheme.encryptSingle(mvec1, L);
	Ciphertext cipher2 = scheme.encryptSingle(mvec2, L);

	Ciphertext multCipher = scheme.mult(cipher1, cipher2);
	scheme.reScaleByAndEqual(multCipher, 1);

	complex<double>* dvecMult = scheme.decrypt(secretKey, multCipher);

        std::cout << "Expected: " << (mvec1 * mvec2) << std::endl;
        std::cout << "Output: " << *dvecMult << std::endl;

This is the output I get:

Expected: (506.25,-0)
Output: (-18073.4,-30416)

Still, it works for 22.5 * 22.5. Any ideas about what is happening here?