FMKWayConstrMgr.hpp

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#pragma once
 
#include <cstdint>  // for uint8_t
#include <span>     // for span
#include <vector>   // for vector
 
#include "FMConstrMgr.hpp"  // for FMConstrMgr, FMConstrMgr::node_t, Lega...
// #include "moveinfo.hpp"     // for MoveInfo
 
// forward declare
template <typename Node> struct MoveInfo;
template <typename Node> struct MoveInfoV;
 
template <typename Gnl> class FMKWayConstrMgr : public FMConstrMgr<Gnl> {
  private:
    std::vector<int> illegal;
 
  public:
    FMKWayConstrMgr(const Gnl& hyprgraph, double bal_tol, std::uint8_t num_parts)
        : FMConstrMgr<Gnl>{hyprgraph, bal_tol, num_parts}, illegal(num_parts, 1) {}
 
    auto select_togo() const -> std::uint8_t;
 
    auto init(std::span<const std::uint8_t> part) -> void {
        FMConstrMgr<Gnl>::init(part);
        auto it = this->diff.begin();
        for (auto& il : this->illegal) {
            il = (*it < this->lowerbound);
            ++it;
        }
    }
 
    auto check_legal(const MoveInfoV<typename Gnl::node_t>& move_info_v) -> LegalCheck;
};