From 67f4f1adae4b3d27f19b95fc92ab9213feebf035 Mon Sep 17 00:00:00 2001 From: Alan Mishchenko Date: Sun, 7 Feb 2016 21:13:33 -0800 Subject: Experiments with SAT-based mapping. --- src/sat/bsat/satSolver.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'src/sat/bsat') diff --git a/src/sat/bsat/satSolver.h b/src/sat/bsat/satSolver.h index fc92e557..c7e324cd 100644 --- a/src/sat/bsat/satSolver.h +++ b/src/sat/bsat/satSolver.h @@ -581,6 +581,29 @@ static inline int sat_solver_add_constraint( sat_solver * pSat, int iVar, int iV return 2; } +static inline int sat_solver_add_half_sorter( sat_solver * pSat, int iVarA, int iVarB, int iVar0, int iVar1 ) +{ + lit Lits[3]; + int Cid; + + Lits[0] = toLitCond( iVarA, 0 ); + Lits[1] = toLitCond( iVar0, 1 ); + Cid = sat_solver_addclause( pSat, Lits, Lits + 2 ); + assert( Cid ); + + Lits[0] = toLitCond( iVarA, 0 ); + Lits[1] = toLitCond( iVar1, 1 ); + Cid = sat_solver_addclause( pSat, Lits, Lits + 2 ); + assert( Cid ); + + Lits[0] = toLitCond( iVarB, 0 ); + Lits[1] = toLitCond( iVar0, 1 ); + Lits[2] = toLitCond( iVar1, 1 ); + Cid = sat_solver_addclause( pSat, Lits, Lits + 3 ); + assert( Cid ); + return 3; +} + ABC_NAMESPACE_HEADER_END -- cgit v1.2.3