translator_non_native_field_relation.hpp

Go to the documentation of this file.

// === AUDIT STATUS ===
// internal:    { status: not started, auditors: [], date: YYYY-MM-DD }
// external_1:  { status: not started, auditors: [], date: YYYY-MM-DD }
// external_2:  { status: not started, auditors: [], date: YYYY-MM-DD }
// =====================
 
#pragma once
#include "barretenberg/ecc/curves/bn254/bn254.hpp"
#include "barretenberg/relations/relation_types.hpp"
 
namespace bb {
 
template <typename FF_> class TranslatorNonNativeFieldRelationImpl {
  public:
    using FF = FF_;
 
    // 1 + polynomial degree of this relation
    static constexpr std::array<size_t, 3> SUBRELATION_PARTIAL_LENGTHS{
        3, // Lower wide limb subrelation (checks result is 0 mod 2¹³⁶)
        3, // Higher wide limb subrelation (checks result is 0 in higher mod 2¹³⁶),
        3  // Prime subrelation (checks result in native field)
    };
 
    template <typename AllEntities> inline static bool skip(const AllEntities& in)
    {
        return in.lagrange_even_in_minicircuit.is_zero();
    }
    template <typename ContainerOverSubrelations, typename AllEntities, typename Parameters>
    static void accumulate(ContainerOverSubrelations& accumulators,
                           const AllEntities& in,
                           const Parameters& params,
                           const FF& scaling_factor);
};
 
template <typename FF> using TranslatorNonNativeFieldRelation = Relation<TranslatorNonNativeFieldRelationImpl<FF>>;
 
} // namespace bb