libff::bn128_ate_G2_precomp Struct Reference

#include <bn128_pairing.hpp>

Public Member Functions
bool	operator== (const bn128_ate_G2_precomp &other) const

Public Attributes
bn::Fp2	Q [3]
std::vector< bn128_ate_ell_coeffs >	coeffs

Friends
std::ostream &	operator<< (std::ostream &out, const bn128_ate_G2_precomp &prec_Q)
std::istream &	operator>> (std::istream &in, bn128_ate_G2_precomp &prec_Q)

Detailed Description

Definition at line 34 of file bn128_pairing.hpp.

Member Function Documentation

operator==()

bool libff::bn128_ate_G2_precomp::operator==

(

const bn128_ate_G2_precomp &

other

)

const

Definition at line 54 of file bn128_pairing.cpp.

{
    if (!(this->Q[0] == other.Q[0] && this->Q[1] == other.Q[1] &&
          this->Q[2] == other.Q[2] &&
          this->coeffs.size() == other.coeffs.size())) {
        return false;
    }
 
    /* work around for upstream serialization bug */
    for (size_t i = 0; i < this->coeffs.size(); ++i) {
        std::stringstream this_ss, other_ss;
        this_ss << this->coeffs[i];
        other_ss << other.coeffs[i];
        if (this_ss.str() != other_ss.str()) {
            return false;
        }
    }
 
    return true;
}

Friends And Related Function Documentation

operator<<

std::ostream& operator<< ( std::ostream &  out, const bn128_ate_G2_precomp &  prec_Q  )

friend

Definition at line 75 of file bn128_pairing.cpp.

{
    for (size_t i = 0; i < 3; ++i) {
#ifndef BINARY_OUTPUT
        out << prec_Q.Q[i].a_ << "\n";
        out << prec_Q.Q[i].b_ << "\n";
#else
        out.write((char *)&prec_Q.Q[i].a_, sizeof(prec_Q.Q[i].a_));
        out.write((char *)&prec_Q.Q[i].b_, sizeof(prec_Q.Q[i].b_));
#endif
    }
 
    out << prec_Q.coeffs.size() << "\n";
 
    for (size_t i = 0; i < prec_Q.coeffs.size(); ++i) {
#ifndef BINARY_OUTPUT
        out << prec_Q.coeffs[i].a_.a_ << "\n";
        out << prec_Q.coeffs[i].a_.b_ << "\n";
        out << prec_Q.coeffs[i].b_.a_ << "\n";
        out << prec_Q.coeffs[i].b_.b_ << "\n";
        out << prec_Q.coeffs[i].c_.a_ << "\n";
        out << prec_Q.coeffs[i].c_.b_ << "\n";
#else
        out.write(
            (char *)&prec_Q.coeffs[i].a_.a_, sizeof(prec_Q.coeffs[i].a_.a_));
        out.write(
            (char *)&prec_Q.coeffs[i].a_.b_, sizeof(prec_Q.coeffs[i].a_.b_));
        out.write(
            (char *)&prec_Q.coeffs[i].b_.a_, sizeof(prec_Q.coeffs[i].b_.a_));
        out.write(
            (char *)&prec_Q.coeffs[i].b_.b_, sizeof(prec_Q.coeffs[i].b_.b_));
        out.write(
            (char *)&prec_Q.coeffs[i].c_.a_, sizeof(prec_Q.coeffs[i].c_.a_));
        out.write(
            (char *)&prec_Q.coeffs[i].c_.b_, sizeof(prec_Q.coeffs[i].c_.b_));
#endif
    }
 
    return out;
}

operator>>

std::istream& operator>> ( std::istream &  in, bn128_ate_G2_precomp &  prec_Q  )

friend

Definition at line 116 of file bn128_pairing.cpp.

{
    for (size_t i = 0; i < 3; ++i) {
#ifndef BINARY_OUTPUT
        in >> prec_Q.Q[i].a_;
        consume_newline(in);
        in >> prec_Q.Q[i].b_;
        consume_newline(in);
#else
        in.read((char *)&prec_Q.Q[i].a_, sizeof(prec_Q.Q[i].a_));
        in.read((char *)&prec_Q.Q[i].b_, sizeof(prec_Q.Q[i].b_));
#endif
    }
 
    size_t count;
    in >> count;
    consume_newline(in);
    prec_Q.coeffs.resize(count);
    for (size_t i = 0; i < count; ++i) {
#ifndef BINARY_OUTPUT
        in >> prec_Q.coeffs[i].a_.a_;
        consume_newline(in);
        in >> prec_Q.coeffs[i].a_.b_;
        consume_newline(in);
        in >> prec_Q.coeffs[i].b_.a_;
        consume_newline(in);
        in >> prec_Q.coeffs[i].b_.b_;
        consume_newline(in);
        in >> prec_Q.coeffs[i].c_.a_;
        consume_newline(in);
        in >> prec_Q.coeffs[i].c_.b_;
        consume_newline(in);
#else
        in.read(
            (char *)&prec_Q.coeffs[i].a_.a_, sizeof(prec_Q.coeffs[i].a_.a_));
        in.read(
            (char *)&prec_Q.coeffs[i].a_.b_, sizeof(prec_Q.coeffs[i].a_.b_));
        in.read(
            (char *)&prec_Q.coeffs[i].b_.a_, sizeof(prec_Q.coeffs[i].b_.a_));
        in.read(
            (char *)&prec_Q.coeffs[i].b_.b_, sizeof(prec_Q.coeffs[i].b_.b_));
        in.read(
            (char *)&prec_Q.coeffs[i].c_.a_, sizeof(prec_Q.coeffs[i].c_.a_));
        in.read(
            (char *)&prec_Q.coeffs[i].c_.b_, sizeof(prec_Q.coeffs[i].c_.b_));
#endif
    }
    return in;
}

Member Data Documentation

coeffs

std::vector<bn128_ate_ell_coeffs> libff::bn128_ate_G2_precomp::coeffs

Definition at line 36 of file bn128_pairing.hpp.

Q

bn::Fp2 libff::bn128_ate_G2_precomp::Q[3]

Definition at line 35 of file bn128_pairing.hpp.

---

The documentation for this struct was generated from the following files:

• /home/runner/work/libff/libff/libff/algebra/curves/bn128/bn128_pairing.hpp
• /home/runner/work/libff/libff/libff/algebra/curves/bn128/bn128_pairing.cpp