Program Listing for File coefpackedencoding.h
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//==================================================================================
// BSD 2-Clause License
//
// Copyright (c) 2014-2022, NJIT, Duality Technologies Inc. and other contributors
//
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// Author TPOC: contact@openfhe.org
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/*
Represents and defines packing integers of plaintext objects into polynomial coefficients in OpenFHE
*/
#ifndef SRC_CORE_LIB_ENCODING_COEFPACKEDENCODING_H_
#define SRC_CORE_LIB_ENCODING_COEFPACKEDENCODING_H_
#include <initializer_list>
#include <memory>
#include <vector>
#include <string>
#include "encoding/plaintext.h"
namespace lbcrypto {
class CoefPackedEncoding : public PlaintextImpl {
std::vector<int64_t> value;
public:
template <typename T, typename std::enable_if<std::is_same<T, Poly::Params>::value ||
std::is_same<T, NativePoly::Params>::value ||
std::is_same<T, DCRTPoly::Params>::value,
bool>::type = true>
CoefPackedEncoding(std::shared_ptr<T> vp, EncodingParams ep, SCHEME schemeId = SCHEME::INVALID_SCHEME)
: PlaintextImpl(vp, ep, schemeId) {}
template <typename T, typename std::enable_if<std::is_same<T, Poly::Params>::value ||
std::is_same<T, NativePoly::Params>::value ||
std::is_same<T, DCRTPoly::Params>::value,
bool>::type = true>
CoefPackedEncoding(std::shared_ptr<T> vp, EncodingParams ep, const std::vector<int64_t>& coeffs,
SCHEME schemeId = SCHEME::INVALID_SCHEME)
: PlaintextImpl(vp, ep, schemeId), value(coeffs) {}
virtual ~CoefPackedEncoding() = default;
const std::vector<int64_t>& GetCoefPackedValue() const {
return value;
}
void SetIntVectorValue(const std::vector<int64_t>& val) {
value = val;
}
bool Encode();
bool Decode();
PlaintextEncodings GetEncodingType() const {
return COEF_PACKED_ENCODING;
}
size_t GetLength() const {
return value.size();
}
void SetLength(size_t siz) {
value.resize(siz);
}
bool CompareTo(const PlaintextImpl& other) const {
const auto& oth = static_cast<const CoefPackedEncoding&>(other);
return oth.value == this->value;
}
void PrintValue(std::ostream& out) const {
// for sanity's sake, trailing zeros get elided into "..."
out << "(";
size_t i = value.size();
while (--i > 0)
if (value[i] != 0)
break;
for (size_t j = 0; j <= i; j++)
out << ' ' << value[j];
out << " ... )";
}
};
} /* namespace lbcrypto */
#endif /* SRC_CORE_LIB_ENCODING_COEFPACKEDENCODING_H_ */