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41 lines
760 B
C++
41 lines
760 B
C++
/*++
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Copyright (c) 2020 Microsoft Corporation
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Module Name:
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int_branch.h
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Abstract:
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Branch heuristic
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Author:
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Nikolaj Bjorner (nbjorner)
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Lev Nachmanson (levnach)
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Revision History:
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--*/
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#pragma once
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#include "math/lp/lar_solver.h"
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#include "math/lp/int_solver.h"
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#include "math/lp/lia_move.h"
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namespace lp {
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class int_solver;
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class lar_solver;
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class int_branch {
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class int_solver& lia;
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class lar_solver& lra;
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lia_move create_branch_on_column(int j);
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int find_inf_int_base_column();
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int find_inf_int_nbasis_column() const;
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int find_any_inf_int_column_basis_first();
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public:
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int_branch(int_solver& lia);
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~int_branch() {}
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lia_move operator()();
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};
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}
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