Method decrypt

tenseal/cpp/tensors/ckkstensor.cpp:117–150

}

PlainTensor<double> CKKSTensor::decrypt(const shared_ptr<SecretKey>& sk) const {
    Plaintext plaintext;
    auto sz = this->_data.flat_size();
    auto shape = this->shape_with_batch();

    if (_batch_size) {
        vector<vector<double>> result;
        result.reserve(sz);

        for (auto it = _data.cbegin(); it != _data.cend(); it++) {
            vector<double> buff;
            this->tenseal_context()->decrypt(*sk, *it, plaintext);
            this->tenseal_context()->decode<CKKSEncoder>(plaintext, buff);
            result.push_back(
                vector<double>(buff.begin(), buff.begin() + *_batch_size));
        }

        return PlainTensor<double>(/*batched_tensor=*/result,
                                   /*shape_with_batch=*/shape,
                                   /*batch_axis=*/0);
    } else {
        vector<double> result;
        result.reserve(sz);

        for (auto it = _data.cbegin(); it != _data.cend(); it++) {
            vector<double> buff;
            this->tenseal_context()->decrypt(*sk, *it, plaintext);
            this->tenseal_context()->decode<CKKSEncoder>(plaintext, buff);
            result.push_back(buff[0]);
        }

        return PlainTensor<double>(result, /*shape_with_batch=*/shape);
    }
}

shared_ptr<CKKSTensor> CKKSTensor::negate_inplace() {
    for (auto& ct : _data)