1 files changed, 102 insertions, 0 deletions
diff --git a/src/opt/sfm/sfmLib.c b/src/opt/sfm/sfmLib.c
new file mode 100644
index 00000000..fefa21bb
--- /dev/null
+++ b/src/opt/sfm/sfmLib.c
@@ -0,0 +1,102 @@
+/**CFile****************************************************************
+
+  FileName    [sfmLib.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [SAT-based optimization using internal don't-cares.]
+
+  Synopsis    [Preprocessing genlib library.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: sfmLib.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "sfmInt.h"
+#include "misc/st/st.h"
+#include "map/mio/mio.h"
+
+ABC_NAMESPACE_IMPL_START
+
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Sfm_DecCreateCnf( Vec_Int_t * vGateSizes, Vec_Wrd_t * vGateFuncs, Vec_Wec_t * vGateCnfs )
+{
+    Vec_Str_t * vCnf, * vCnfBase;
+    Vec_Int_t * vCover;
+    word uTruth;
+    int i, nCubes;
+    vCnf = Vec_StrAlloc( 100 );
+    vCover = Vec_IntAlloc( 100 );
+    Vec_WrdForEachEntry( vGateFuncs, uTruth, i )
+    {
+        nCubes = Sfm_TruthToCnf( uTruth, Vec_IntEntry(vGateSizes, i), vCover, vCnf );
+        vCnfBase = (Vec_Str_t *)Vec_WecEntry( vGateCnfs, i );
+        Vec_StrGrow( vCnfBase, Vec_StrSize(vCnf) );
+        memcpy( Vec_StrArray(vCnfBase), Vec_StrArray(vCnf), Vec_StrSize(vCnf) );
+        vCnfBase->nSize = Vec_StrSize(vCnf);
+    }
+    Vec_IntFree( vCover );
+    Vec_StrFree( vCnf );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Preprocess the library.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Sfm_LibPreprocess( Mio_Library_t * pLib, Vec_Int_t * vGateSizes, Vec_Wrd_t * vGateFuncs, Vec_Wec_t * vGateCnfs, Vec_Ptr_t * vGateHands )
+{
+    Mio_Gate_t * pGate;
+    int nGates = Mio_LibraryReadGateNum(pLib);
+    Vec_IntGrow( vGateSizes, nGates );
+    Vec_WrdGrow( vGateFuncs, nGates );
+    Vec_WecInit( vGateCnfs,  nGates );
+    Vec_PtrGrow( vGateHands, nGates );
+    Mio_LibraryForEachGate( pLib, pGate )
+    {
+        Vec_IntPush( vGateSizes, Mio_GateReadPinNum(pGate) );
+        Vec_WrdPush( vGateFuncs, Mio_GateReadTruth(pGate) );
+        Mio_GateSetValue( pGate, Vec_PtrSize(vGateHands) );
+        Vec_PtrPush( vGateHands, pGate );
+    }
+    Sfm_DecCreateCnf( vGateSizes, vGateFuncs, vGateCnfs );
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
+ABC_NAMESPACE_IMPL_END
+