sfc.h

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// Copyright (C) 2026 Garth N. Wells
//
// This file is part of DOLFINx (https://www.fenicsproject.org)
//
// SPDX-License-Identifier:    LGPL-3.0-or-later
 
#pragma once
 
#include "AdjacencyList.h"
#include "partition.h"
#include <cstdint>
#include <mpi.h>
#include <optional>
#include <span>
#include <vector>

 
namespace dolfinx::graph
{
std::vector<int> partition_sfc_morton(
    MPI_Comm comm, int nparts, std::span<const double> x, int gdim,
    std::optional<std::span<const std::int32_t>> weights = std::nullopt);

std::vector<int> partition_sfc_hilbert(
    MPI_Comm comm, int nparts, std::span<const double> x, int gdim,
    std::optional<std::span<const std::int32_t>> weights = std::nullopt);

std::vector<std::int32_t> reorder_sfc_morton(std::span<const double> x,
                                             int gdim);

std::vector<std::int32_t> reorder_sfc_hilbert(std::span<const double> x,
                                              int gdim);
} // namespace dolfinx::graph