vector compute_indices()

in pir.cpp [185:206]

• 16 lines of code
• 3 McCabe index (conditional complexity)

vector<uint64_t> compute_indices(uint64_t desiredIndex, vector<uint64_t> Nvec) {
    uint32_t num = Nvec.size();
    uint64_t product = 1;

    for (uint32_t i = 0; i < num; i++) {
        product *= Nvec[i];
    }

    uint64_t j = desiredIndex;
    vector<uint64_t> result;

    for (uint32_t i = 0; i < num; i++) {

        product /= Nvec[i];
        uint64_t ji = j / product;

        result.push_back(ji);
        j -= ji * product;
    }

    return result;
}