1 files changed, 0 insertions, 134 deletions
diff --git a/src/opt/dec/decUtil.c b/src/opt/dec/decUtil.c
deleted file mode 100644
index 463bc7e2..00000000
--- a/src/opt/dec/decUtil.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/**CFile****************************************************************
-
-  FileName    [decUtil.c]
-
-  PackageName [MVSIS 2.0: Multi-valued logic synthesis system.]
-
-  Synopsis    [Decomposition unitilies.]
-
-  Author      [MVSIS Group]
-  
-  Affiliation [UC Berkeley]
-
-  Date        [Ver. 1.0. Started - February 1, 2003.]
-
-  Revision    [$Id: decUtil.c,v 1.1 2003/05/22 19:20:05 alanmi Exp $]
-
-***********************************************************************/
-
-#include "abc.h"
-#include "dec.h"
-
-////////////////////////////////////////////////////////////////////////
-///                        DECLARATIONS                              ///
-////////////////////////////////////////////////////////////////////////
-
-////////////////////////////////////////////////////////////////////////
-///                     FUNCTION DEFINITIONS                         ///
-////////////////////////////////////////////////////////////////////////
-
-/**Function*************************************************************
-
-  Synopsis    [Converts graph to BDD.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-DdNode * Dec_GraphDeriveBdd( DdManager * dd, Dec_Graph_t * pGraph )
-{
-    DdNode * bFunc, * bFunc0, * bFunc1;
-    Dec_Node_t * pNode;
-    int i;
-
-    // sanity checks
-    assert( Dec_GraphLeaveNum(pGraph) >= 0 );
-    assert( Dec_GraphLeaveNum(pGraph) <= pGraph->nSize );
-
-    // check for constant function
-    if ( Dec_GraphIsConst(pGraph) )
-        return Cudd_NotCond( b1, Dec_GraphIsComplement(pGraph) );
-    // check for a literal
-    if ( Dec_GraphIsVar(pGraph) )
-        return Cudd_NotCond( Cudd_bddIthVar(dd, Dec_GraphVarInt(pGraph)), Dec_GraphIsComplement(pGraph) );
-
-    // assign the elementary variables
-    Dec_GraphForEachLeaf( pGraph, pNode, i )
-        pNode->pFunc = Cudd_bddIthVar( dd, i );
-
-    // compute the function for each internal node
-    Dec_GraphForEachNode( pGraph, pNode, i )
-    {
-        bFunc0 = Cudd_NotCond( Dec_GraphNode(pGraph, pNode->eEdge0.Node)->pFunc, pNode->eEdge0.fCompl ); 
-        bFunc1 = Cudd_NotCond( Dec_GraphNode(pGraph, pNode->eEdge1.Node)->pFunc, pNode->eEdge1.fCompl ); 
-        pNode->pFunc = Cudd_bddAnd( dd, bFunc0, bFunc1 );   Cudd_Ref( pNode->pFunc );
-    }
-
-    // deref the intermediate results
-    bFunc = pNode->pFunc;   Cudd_Ref( bFunc );
-    Dec_GraphForEachNode( pGraph, pNode, i )
-        Cudd_RecursiveDeref( dd, pNode->pFunc );
-    Cudd_Deref( bFunc );
-
-    // complement the result if necessary
-    return Cudd_NotCond( bFunc, Dec_GraphIsComplement(pGraph) );
-}
-
-/**Function*************************************************************
-
-  Synopsis    [Derives the truth table.]
-
-  Description []
-               
-  SideEffects []
-
-  SeeAlso     []
-
-***********************************************************************/
-unsigned Dec_GraphDeriveTruth( Dec_Graph_t * pGraph )
-{
-    unsigned uTruths[5] = { 0xAAAAAAAA, 0xCCCCCCCC, 0xF0F0F0F0, 0xFF00FF00, 0xFFFF0000 };
-    unsigned uTruth, uTruth0, uTruth1;
-    Dec_Node_t * pNode;
-    int i;
-
-    // sanity checks
-    assert( Dec_GraphLeaveNum(pGraph) >= 0 );
-    assert( Dec_GraphLeaveNum(pGraph) <= pGraph->nSize );
-    assert( Dec_GraphLeaveNum(pGraph) <= 5 );
-
-    // check for constant function
-    if ( Dec_GraphIsConst(pGraph) )
-        return Dec_GraphIsComplement(pGraph)? 0 : ~((unsigned)0);
-    // check for a literal
-    if ( Dec_GraphIsVar(pGraph) )
-        return Dec_GraphIsComplement(pGraph)? ~uTruths[Dec_GraphVarInt(pGraph)] : uTruths[Dec_GraphVarInt(pGraph)];
-
-    // assign the elementary variables
-    Dec_GraphForEachLeaf( pGraph, pNode, i )
-        pNode->pFunc = (void *)uTruths[i];
-
-    // compute the function for each internal node
-    Dec_GraphForEachNode( pGraph, pNode, i )
-    {
-        uTruth0 = (unsigned)Dec_GraphNode(pGraph, pNode->eEdge0.Node)->pFunc;
-        uTruth1 = (unsigned)Dec_GraphNode(pGraph, pNode->eEdge1.Node)->pFunc;
-        uTruth0 = pNode->eEdge0.fCompl? ~uTruth0 : uTruth0;
-        uTruth1 = pNode->eEdge1.fCompl? ~uTruth1 : uTruth1;
-        uTruth = uTruth0 & uTruth1;
-        pNode->pFunc = (void *)uTruth;
-    }
-
-    // complement the result if necessary
-    return Dec_GraphIsComplement(pGraph)? ~uTruth : uTruth;
-}
-
-
-////////////////////////////////////////////////////////////////////////
-///                       END OF FILE                                ///
-////////////////////////////////////////////////////////////////////////
-
-