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61 lines
1.1 KiB
C++
61 lines
1.1 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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sat_asymm_branch.h
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Abstract:
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SAT solver asymmetric branching
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Author:
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Leonardo de Moura (leonardo) 2011-05-30.
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Revision History:
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--*/
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#ifndef _SAT_ASYMM_BRANCH_H_
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#define _SAT_ASYMM_BRANCH_H_
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#include"sat_types.h"
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#include"statistics.h"
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#include"params.h"
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namespace sat {
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class solver;
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class asymm_branch {
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struct report;
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solver & s;
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int m_counter;
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// config
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bool m_asymm_branch;
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unsigned m_asymm_branch_rounds;
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unsigned m_asymm_branch_limit;
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// stats
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unsigned m_elim_literals;
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bool process(clause & c);
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public:
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asymm_branch(solver & s, params_ref const & p);
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void operator()(bool force = false);
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void updt_params(params_ref const & p);
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static void collect_param_descrs(param_descrs & d);
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void collect_statistics(statistics & st);
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void reset_statistics();
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void dec(unsigned c) { m_counter -= c; }
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};
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};
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#endif
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