void EncryptedMatrix::validate()

in src/hit/api/linearalgebra/encryptedmatrix.cpp [139:182]
39 lines of code
10 McCabe index (conditional complexity)

    void EncryptedMatrix::validate() const {
        // validate the unit
        unit.validate();

        if (height_ <= 0) {
            LOG_AND_THROW_STREAM("Invalid EncryptedMatrix: "
                                 << "height must be non-negative, got " << height_);
        }
        if (width_ <= 0) {
            LOG_AND_THROW_STREAM("Invalid EncryptedMatrix: "
                                 << "width must be non-negative, got " << width_);
        }

        if (cts.size() != ceil(height_ / static_cast<double>(unit.encoding_height()))) {
            LOG_AND_THROW_STREAM("Invalid ciphertexts in EncryptedMatrix: "
                                 << "Expected " << ceil(height_ / static_cast<double>(unit.encoding_height()))
                                 << " vertical units, found a " << cts.size() << ". ");
        }

        if (cts[0].size() != ceil(width_ / static_cast<double>(unit.encoding_width()))) {
            LOG_AND_THROW_STREAM("Invalid ciphertexts in EncryptedMatrix: "
                                 << "Expected " << ceil(width_ / static_cast<double>(unit.encoding_width()))
                                 << " horizontal units, found a " << cts[0].size() << ". ");
        }

        int row_size = cts[0].size();
        for (const auto &cts_i : cts) {
            if (cts_i.size() != row_size) {
                LOG_AND_THROW_STREAM("Invalid ciphertexts in EncryptedMatrix: "
                                     << "Each horizontal row should have " << row_size << " units, but a row has "
                                     << cts_i.size() << " horizontal units. ");
            }
            for (const auto &ct : cts_i) {
                if (ct.scale() != cts[0][0].scale()) {
                    LOG_AND_THROW_STREAM("Invalid EncryptedMatrix: "
                                         << "Each ciphertext must have the same scale.");
                }
                if (ct.he_level() != cts[0][0].he_level()) {
                    LOG_AND_THROW_STREAM("Invalid EncryptedMatrix: "
                                         << "Each ciphertext must have the same level.");
                }
            }
        }
    }