utils.h

// Copyright (C) 2018-2022 Garth N. Wells
//
// This file is part of DOLFINx (https://www.fenicsproject.org)
//
// SPDX-License-Identifier:    LGPL-3.0-or-later
 
#pragma once
 
#include <concepts>
#include <cstdint>
#include <span>
 
namespace dolfinx::la
{
enum class Norm : std::int8_t
{
  l1,
  l2,
  linf,
  frobenius
};

template <class U, class T>
concept MatSet
    = std::invocable<U, std::span<const std::int32_t>,
                     std::span<const std::int32_t>, std::span<const T>>;
} // namespace dolfinx::la