executor.hpp

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// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2023 NeoFOAM authors
#pragma once
 
#include <string>
#include <variant>
 
#include "NeoFOAM/core/executor/serialExecutor.hpp"
#include "NeoFOAM/core/executor/GPUExecutor.hpp"
#include "NeoFOAM/core/executor/CPUExecutor.hpp"
#include "NeoFOAM/core/error.hpp"
 
namespace NeoFOAM
{
 
using Executor = std::variant<SerialExecutor, CPUExecutor, GPUExecutor>;
 
[[nodiscard]] inline bool operator==(const Executor& lhs, const Executor& rhs)
{
    return std::visit(
        []<typename ExecLhs,
           typename ExecRhs>([[maybe_unused]] const ExecLhs&, [[maybe_unused]] const ExecRhs&)
        {
            if constexpr (std::is_same_v<ExecLhs, ExecRhs>)
            {
                return typename ExecLhs::exec() == typename ExecRhs::exec();
            }
            else
            {
                return false;
            }
        },
        lhs,
        rhs
    );
};
 
[[nodiscard]] inline bool operator!=(const Executor& lhs, const Executor& rhs)
{
    return !(lhs == rhs);
};
 
} // namespace NeoFOAM