alignment_trace_matrix_proxy.hpp

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// SPDX-FileCopyrightText: 2006-2025 Knut Reinert & Freie Universität Berlin
// SPDX-FileCopyrightText: 2016-2025 Knut Reinert & MPI für molekulare Genetik
// SPDX-License-Identifier: BSD-3-Clause
 
#pragma once
 
#include <concepts>
 
#include <seqan3/alignment/matrix/detail/trace_directions.hpp>
#include <seqan3/utility/simd/concept.hpp>
#include <seqan3/utility/type_traits/basic.hpp>
 
namespace seqan3::detail
{
 
template <typename coordinate_type, typename trace_type>
struct alignment_trace_matrix_proxy
{
    static_assert(std::same_as<trace_type, trace_directions> || simd_concept<trace_type>
                      || decays_to_ignore_v<trace_type>,
                  "Value type must either be a trace_directions object, a simd vector over such or std::ignore.");
 
    coordinate_type coordinate{}; 
    trace_type & current;         
    trace_type & r_left;          
    trace_type & w_left;          
    trace_type & up;              
};
 
} // namespace seqan3::detail