1 files changed, 101 insertions, 0 deletions
diff --git a/src/aig/cnf/cnfCore.c b/src/aig/cnf/cnfCore.c
new file mode 100644
index 00000000..b09f0bdc
--- /dev/null
+++ b/src/aig/cnf/cnfCore.c
@@ -0,0 +1,101 @@
+/**CFile****************************************************************
+
+  FileName    [cnfCore.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [AIG-to-CNF conversion.]
+
+  Synopsis    []
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - April 28, 2007.]
+
+  Revision    [$Id: cnfCore.c,v 1.00 2007/04/28 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "cnf.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Cnf_Dat_t * Cnf_Derive( Cnf_Man_t * p, Dar_Man_t * pAig )
+{
+    Cnf_Dat_t * pCnf = NULL;
+    Vec_Ptr_t * vMapped;
+    int nIters = 2;
+    int clk;
+
+    // connect the managers
+    pAig->pManCnf = p;
+    p->pManAig = pAig;
+
+    // generate cuts for all nodes, assign cost, and find best cuts
+clk = clock();
+    Dar_ManComputeCuts( pAig );
+PRT( "Cuts", clock() - clk );
+/*
+    // iteratively improve area flow
+    for ( i = 0; i < nIters; i++ )
+    {
+clk = clock();
+        Cnf_ManScanMapping( p, 0 );
+        Cnf_ManMapForCnf( p );
+PRT( "iter ", clock() - clk );
+    }
+*/
+    // write the file
+    vMapped = Dar_ManScanMapping( p, 1 );
+    Vec_PtrFree( vMapped );
+
+clk = clock();
+    Cnf_ManTransferCuts( p );
+
+    Cnf_ManPostprocess( p );
+    Cnf_ManScanMapping( p, 0 );
+/*
+    Cnf_ManPostprocess( p );
+    Cnf_ManScanMapping( p, 0 );
+    Cnf_ManPostprocess( p );
+    Cnf_ManScanMapping( p, 0 );
+*/
+PRT( "Ext ", clock() - clk );
+
+/*
+    vMapped = Cnf_ManScanMapping( p, 1 );
+    pCnf = Cnf_ManWriteCnf( p, vMapped );
+    Vec_PtrFree( vMapped );
+
+    // clean up
+    Cnf_ManFreeCuts( p );
+    Dar_ManCutsFree( pAig );
+    return pCnf;
+*/
+    return NULL;
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+