sine_array_precomputation.cpp

Plaintext calculate_sine_array(int m, int N, int start, int stop, CryptoContext<DCRTPoly> cc) {
	vector<int64_t> *sines = new vector<int64_t>();
	for (int k = 0; k != N; k++) {
		if (k < start || k >= stop) {
			sines->push_back(0);
			continue;
		}
		int sinVal = int(sin(((2 * pi * k * m) / N)) * 100); //FOR MORE ACCURATE RESULTS, INCREASE MULTIPLE OF 10
		sines->push_back(sinVal);
	}
	Plaintext sineArray = cc->MakePackedPlaintext(*sine);
	return sineArray;
}