poseidon2_hash.hpp

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// AUTOGENERATED FILE
#pragma once
 
#include <string_view>
 
#include "barretenberg/relations/relation_parameters.hpp"
#include "barretenberg/relations/relation_types.hpp"
#include "barretenberg/vm2/generated/columns.hpp"
 
namespace bb::avm2 {
 
template <typename FF_> class poseidon2_hashImpl {
  public:
    using FF = FF_;
 
    static constexpr std::array<size_t, 20> SUBRELATION_PARTIAL_LENGTHS = { 3, 3, 3, 3, 3, 3, 3, 4, 3, 4,
                                                                            5, 3, 3, 3, 3, 3, 3, 3, 3, 3 };
 
    template <typename AllEntities> inline static bool skip(const AllEntities& in)
    {
        using C = ColumnAndShifts;
 
        return (in.get(C::poseidon2_hash_sel)).is_zero();
    }
 
    template <typename ContainerOverSubrelations, typename AllEntities>
    void static accumulate(ContainerOverSubrelations& evals,
                           const AllEntities& in,
                           [[maybe_unused]] const RelationParameters<FF>&,
                           [[maybe_unused]] const FF& scaling_factor);
};
 
template <typename FF> class poseidon2_hash : public Relation<poseidon2_hashImpl<FF>> {
  public:
    static constexpr const std::string_view NAME = "poseidon2_hash";
 
    // Subrelation indices constants, to be used in tests.
    static constexpr size_t SR_SEL_ON_START_OR_END = 3;
    static constexpr size_t SR_TRACE_CONTINUITY = 4;
    static constexpr size_t SR_START_AFTER_LATCH = 5;
 
    static std::string get_subrelation_label(size_t index)
    {
#ifdef AVM_INCLUDE_COLUMN_INFORMATION
        switch (index) {
        case SR_SEL_ON_START_OR_END:
            return "SEL_ON_START_OR_END";
        case SR_TRACE_CONTINUITY:
            return "TRACE_CONTINUITY";
        case SR_START_AFTER_LATCH:
            return "START_AFTER_LATCH";
        }
#endif
        return std::to_string(index);
    }
};
 
} // namespace bb::avm2