Various transformations of Cba_Ntk_t.

1 files changed, 193 insertions, 112 deletions

diff --git a/src/base/cba/cbaBlast.c b/src/base/cba/cbaBlast.c
index 8d2d53cd..26931e38 100644
--- a/src/base/cba/cbaBlast.c
+++ b/src/base/cba/cbaBlast.c
@@ -42,12 +42,15 @@ ABC_NAMESPACE_IMPL_START
   SeeAlso     []
 
 ***********************************************************************/
-void Cba_ManExtractSave( Cba_Man_t * p, int iLNtk, int iLObj, int iRNtk, int iRObj )
+int Cba_ManAddBarbuf( Gia_Man_t * pNew, int iRes, Cba_Man_t * p, int iLNtk, int iLObj, int iRNtk, int iRObj )
 {
+//    if ( iRes == 0 || iRes == 1 )
+//        return iRes;
     Vec_IntPush( p->vBuf2LeafNtk, iLNtk );
     Vec_IntPush( p->vBuf2LeafObj, iLObj );
     Vec_IntPush( p->vBuf2RootNtk, iRNtk );
     Vec_IntPush( p->vBuf2RootObj, iRObj );
+    return Gia_ManAppendBuf( pNew, iRes );
 }
 int Cba_ManExtract_rec( Gia_Man_t * pNew, Cba_Ntk_t * p, int i )
 {
@@ -61,44 +64,64 @@ int Cba_ManExtract_rec( Gia_Man_t * pNew, Cba_Ntk_t * p, int i )
         Cba_Ntk_t * pBox = Cba_ObjBoModel( p, i );
         int iObj = Cba_NtkPo( pBox, Cba_ObjCioIndex(p, i) );
         iRes = Cba_ManExtract_rec( pNew, pBox, iObj );
-        iRes = Gia_ManAppendBuf( pNew, iRes );
-        Cba_ManExtractSave( p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pBox), iObj );
+        iRes = Cba_ManAddBarbuf( pNew, iRes, p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pBox), iObj );
     }
     else if ( Cba_ObjIsPi(p, i) )
     {
-        Cba_Ntk_t * pHost = Cba_NtkHost( p );
-        int iObj = Cba_ObjBoxBi( pHost, p->iBoxObj, Cba_ObjCioIndex(p, i) );
+        Cba_Ntk_t * pHost = Cba_NtkHostNtk( p );
+        int iObj = Cba_ObjBoxBi( pHost, Cba_NtkHostObj(p), Cba_ObjCioIndex(p, i) );
         iRes = Cba_ManExtract_rec( pNew, pHost, iObj );
-        iRes = Gia_ManAppendBuf( pNew, iRes );
-        Cba_ManExtractSave( p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pHost), iObj );
+        iRes = Cba_ManAddBarbuf( pNew, iRes, p->pDesign, Cba_NtkId(p), i, Cba_NtkId(pHost), iObj );
     }
     else if ( Cba_ObjIsNode(p, i) )
     {
         int * pFanins = Cba_ObjFaninArray(p, i);
         int k, pLits[3], Type = Cba_ObjNodeType(p, i);
         assert( pFanins[0] <= 3 );
-        for ( k = 0; k < pFanins[0]; k++ )
-            pLits[k] = Cba_ManExtract_rec( pNew, p, pFanins[k+1] );
-        if ( Type == CBA_NODE_AND )
-            iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
-        else if ( Type == CBA_NODE_OR )
-            iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
-        else if ( Type == CBA_NODE_XOR )
-            iRes = Gia_ManHashXor( pNew, pLits[0], pLits[1] );
-        else if ( Type == CBA_NODE_XNOR )
-            iRes = Abc_LitNot( Gia_ManHashXor( pNew, pLits[0], pLits[1] ) );
-        else assert( 0 ), iRes = -1;
+        if ( pFanins[0] == 0 )
+        {
+            if ( Type == CBA_NODE_C0 )
+                iRes = 0;
+            else if ( Type == CBA_NODE_C1 )
+                iRes = 1;
+            else assert( 0 );
+        }
+        else if ( pFanins[0] == 1 )
+        {
+            if ( Type == CBA_NODE_BUF )
+                iRes = Cba_ManExtract_rec( pNew, p, pFanins[1] );
+            else if ( Type == CBA_NODE_INV )
+                iRes = Abc_LitNot( Cba_ManExtract_rec( pNew, p, pFanins[1] ) );
+            else assert( 0 );
+        }
+        else
+        {
+            for ( k = 0; k < pFanins[0]; k++ )
+                pLits[k] = Cba_ManExtract_rec( pNew, p, pFanins[k+1] );
+            if ( Type == CBA_NODE_AND )
+                iRes = Gia_ManHashAnd( pNew, pLits[0], pLits[1] );
+            else if ( Type == CBA_NODE_OR )
+                iRes = Gia_ManHashOr( pNew, pLits[0], pLits[1] );
+            else if ( Type == CBA_NODE_XOR )
+                iRes = Gia_ManHashXor( pNew, pLits[0], pLits[1] );
+            else if ( Type == CBA_NODE_XNOR )
+                iRes = Abc_LitNot( Gia_ManHashXor( pNew, pLits[0], pLits[1] ) );
+            else assert( 0 );
+        }
     }
     else assert( 0 );
     Cba_NtkSetCopy( p, i, iRes );
     return iRes;
 }
-
 Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
 {
     Cba_Ntk_t * pRoot = Cba_ManRoot(p);
     Gia_Man_t * pNew, * pTemp; 
     int i, iObj;
+    Vec_IntFreeP( &p->vBuf2LeafNtk );
+    Vec_IntFreeP( &p->vBuf2LeafObj );
+    Vec_IntFreeP( &p->vBuf2RootNtk );
+    Vec_IntFreeP( &p->vBuf2RootObj );
     p->vBuf2LeafNtk = Vec_IntAlloc( 1000 );
     p->vBuf2LeafObj = Vec_IntAlloc( 1000 );
     p->vBuf2RootNtk = Vec_IntAlloc( 1000 );
@@ -108,12 +131,13 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
     pNew = Gia_ManStart( Cba_ManObjNum(p) );
     pNew->pName = Abc_UtilStrsav(p->pName);
     pNew->pSpec = Abc_UtilStrsav(p->pSpec);
-
     Vec_IntFill( &p->vCopies, Cba_ManObjNum(p), -1 );
     Cba_NtkForEachPi( pRoot, iObj, i )
         Cba_NtkSetCopy( pRoot, iObj, Gia_ManAppendCi(pNew) );
+    Gia_ManHashAlloc( pNew );
     Cba_NtkForEachPo( pRoot, iObj, i )
         Cba_ManExtract_rec( pNew, pRoot, iObj );
+    Gia_ManHashStop( pNew );
     Cba_NtkForEachPo( pRoot, iObj, i )
         Gia_ManAppendCo( pNew, Cba_NtkCopy(pRoot, iObj) );
     assert( Vec_IntSize(p->vBuf2LeafNtk) == pNew->nBufs );
@@ -121,7 +145,7 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
     // cleanup
     pNew = Gia_ManCleanup( pTemp = pNew );
     Gia_ManStop( pTemp );
-//    Gia_ManPrintStats( pNew, NULL );
+    Gia_ManPrintStats( pNew, NULL );
 //    pNew = Gia_ManSweepHierarchy( pTemp = pNew );
 //    Gia_ManStop( pTemp );
 //    Gia_ManPrintStats( pNew, NULL );
@@ -130,7 +154,7 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
 
 /**Function*************************************************************
 
-  Synopsis    []
+  Synopsis    [Returns the number of objects in each network.]
 
   Description []
                
@@ -139,122 +163,179 @@ Gia_Man_t * Cba_ManExtract( Cba_Man_t * p, int fVerbose )
   SeeAlso     []
 
 ***********************************************************************/
-// return the array of object counters for each network
-void Cba_ManCountNodes_rec( Cba_Man_t * p, Abc_Obj_t * pObj, int iNtk, Vec_Int_t * vObjCounts, Vec_Int_t * vBufDrivers, Vec_Int_t * vObj2Ntk, Vec_Int_t * vObj2Obj ) 
+Vec_Int_t * Cba_ManCountGia( Cba_Man_t * p, Gia_Man_t * pGia, int fAlwaysAdd )
 {
-    if ( Abc_ObjIsBarBuf(pObj) )
+    Cba_Ntk_t * pNtk;
+    Gia_Obj_t * pObj; 
+    int i, k, iBox, Count = 0;
+    Vec_Int_t * vNtkSizes = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
+    Vec_Int_t * vDrivenCos = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
+    assert( Vec_IntSize(p->vBuf2LeafNtk) == Gia_ManBufNum(pGia) );
+    // assing for each GIA node, the network it belongs to and count nodes for all networks
+    Gia_ManConst0(pGia)->Value = 1;
+    Gia_ManForEachPi( pGia, pObj, i )
+        pObj->Value = 1;
+    Gia_ManForEachAnd( pGia, pObj, i )
     {
-        Abc_Obj_t * pFanin = Abc_ObjFanin0(pObj);
-        if ( Abc_ObjIsPi(pFanin) || (Abc_ObjIsNode(pFanin) && Abc_ObjFaninNum(pFanin) > 0) )
-            Vec_IntAddToEntry( vBufDrivers, iNtk, 1 );
-        Cba_ManCountNodes_rec( p, Abc_ObjFanin0(pObj), pObj->iTemp, vObjCounts, vBufDrivers, vObj2Ntk, vObj2Obj );
+        if ( Gia_ObjIsBuf(pObj) )
+        {
+            if ( Gia_ObjIsAnd(Gia_ObjFanin0(pObj)) )
+                Vec_IntAddToEntry( vDrivenCos, Gia_ObjFanin0(pObj)->Value, 1 );
+            pObj->Value = Vec_IntEntry( p->vBuf2LeafNtk, Count++ );
+        }
+        else
+        {
+            pObj->Value = Gia_ObjFanin0(pObj)->Value;
+            assert( pObj->Value == Gia_ObjFanin1(pObj)->Value );
+            Vec_IntAddToEntry( vNtkSizes, pObj->Value, 1 );
+        }
     }
-    else if ( Abc_ObjFaninNum(pObj) > 0 )
+    assert( Count == Gia_ManBufNum(pGia) );
+    Gia_ManForEachPo( pGia, pObj, i )
     {
-        Abc_Obj_t * pFanin; int i;
-        Abc_ObjForEachFanin( pObj, pFanin, i )
-            Cba_ManCountNodes_rec( p, pFanin, iNtk, vObjCounts, vBufDrivers, vObj2Ntk, vObj2Obj );
-        Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), iNtk );
-        Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(vObjCounts, iNtk) );
-        Vec_IntAddToEntry( vObjCounts, iNtk, 1 );
+        assert( Gia_ObjFanin0(pObj)->Value == 1 );
+        pObj->Value = Gia_ObjFanin0(pObj)->Value;
+        if ( Gia_ObjIsAnd(Gia_ObjFanin0(pObj)) )
+            Vec_IntAddToEntry( vDrivenCos, pObj->Value, 1 );
     }
-}
-Vec_Int_t * Cba_ManCountNodes( Cba_Man_t * p, Abc_Ntk_t * pAbcNtk, Vec_Int_t * vBuf2RootNtk, Vec_Int_t ** pvObj2Ntk, Vec_Int_t ** pvObj2Obj )
-{
-    Cba_Ntk_t * pNtk; 
-    Abc_Obj_t * pObj;
-    Vec_Int_t * vObjCounts = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
-    Vec_Int_t * vBufDrivers = Vec_IntStart( Cba_ManNtkNum(p) + 1 );
-    // set networks to which barbufs belong
-    int i, k, iBox, iBarBuf = Vec_IntSize( vBuf2RootNtk );
-    assert( Vec_IntSize(vBuf2RootNtk) == pAbcNtk->nBarBufs2 );
-    Abc_NtkForEachNodeReverse( pAbcNtk, pObj, i )
-        pObj->iTemp = Vec_IntEntry( vBuf2RootNtk, --iBarBuf );
-    assert( iBarBuf == 0 );
-    // start with primary inputs
+    // for each network, count the total number of COs
     Cba_ManForEachNtk( p, pNtk, i )
     {
-        Vec_IntAddToEntry( vObjCounts, i, Cba_NtkPiNum(pNtk) );
+        Count = Cba_NtkPiNum(pNtk) + 2 * Cba_NtkPoNum(pNtk) - (fAlwaysAdd ? 0 : Vec_IntEntry(vDrivenCos, i));
         Cba_NtkForEachBox( pNtk, iBox, k )
-            Vec_IntAddToEntry( vObjCounts, i, Cba_NtkPiNum(Cba_ObjBoxModel(pNtk, iBox)) + Cba_NtkPoNum(Cba_ObjBoxModel(pNtk, iBox)) + 1 );
+            Count += Cba_ObjBoxSize(pNtk, iBox) + Cba_ObjBoxBiNum(pNtk, iBox);
+        Vec_IntAddToEntry( vNtkSizes, i, Count );
     }
-    // count internal nodes (network is in topo order)
-    *pvObj2Ntk = Vec_IntStartFull( Abc_NtkObjNumMax(pAbcNtk) );
-    *pvObj2Obj = Vec_IntStartFull( Abc_NtkObjNumMax(pAbcNtk) );
-    Abc_NtkForEachPo( pAbcNtk, pObj, i )
-        Cba_ManCountNodes_rec( p, Abc_ObjFanin0(pObj), p->iRoot, vObjCounts, vBufDrivers, *pvObj2Ntk, *pvObj2Obj );
-    // count PIs, POs, and PO drivers
-    Cba_ManForEachNtk( p, pNtk, i )
-        Vec_IntAddToEntry( vObjCounts, i, 2 * Cba_NtkPoNum(pNtk) - Vec_IntEntry(vBufDrivers, i) );
-    Vec_IntFree( vBufDrivers );
-    return vObjCounts;
+    Vec_IntFree( vDrivenCos );
+    return vNtkSizes;
 }
-Cba_Man_t * Cba_ManInsert( Cba_Man_t * p, Abc_Ntk_t * pAbcNtk, int fVerbose )
+void Cba_ManRemapBarbufs( Cba_Man_t * pNew, Cba_Man_t * p )
 {
-    Cba_Man_t * pNew;
-    Cba_Ntk_t * pNtk;
-    Abc_Obj_t * pObj, * pFanin;
-    Vec_Int_t * vObj2Ntk, * vObj2Obj;
-    Vec_Int_t * vObjCounts = Cba_ManCountNodes( p, pAbcNtk, p->vBuf2RootNtk, &vObj2Ntk, &vObj2Obj );
-    Vec_Int_t * vFanins;
-    int i, k, iNtk, iBuf = 0;
-    // create initial mapping
-    pNew = Cba_ManDupStart( p, vObjCounts );
-    // set PIs point to the leaves
-    Abc_NtkForEachPi( pAbcNtk, pObj, i )
+    Cba_Ntk_t * pNtk;  int Entry, i;
+    assert( p->vBuf2RootNtk != NULL );
+    assert( pNew->vBuf2RootNtk == NULL );
+    pNew->vBuf2RootNtk = Vec_IntDup( p->vBuf2RootNtk );
+    pNew->vBuf2RootObj = Vec_IntDup( p->vBuf2RootObj );
+    pNew->vBuf2LeafNtk = Vec_IntDup( p->vBuf2LeafNtk );
+    pNew->vBuf2LeafObj = Vec_IntDup( p->vBuf2LeafObj );
+    Vec_IntForEachEntry( p->vBuf2LeafObj, Entry, i )
     {
-        Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), p->iRoot );
-        Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), i );
+        pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2LeafNtk, i) );
+        Vec_IntWriteEntry( pNew->vBuf2LeafObj, i, Cba_NtkCopy(pNtk, Entry) );
     }
-    // set buffers to point to the leaves
-    assert( Vec_IntSize(p->vBuf2LeafNtk) == pAbcNtk->nBarBufs2 );
-    assert( Vec_IntSize(p->vBuf2LeafObj) == pAbcNtk->nBarBufs2 );
-    Abc_NtkForEachBarBuf( pAbcNtk, pObj, i )
+    Vec_IntForEachEntry( p->vBuf2RootObj, Entry, i )
     {
-        Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2LeafNtk, iBuf) );
-        Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2LeafObj, iBuf) );
-        iBuf++;
+        pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2RootNtk, i) );
+        Vec_IntWriteEntry( pNew->vBuf2RootObj, i, Cba_NtkCopy(pNtk, Entry) );
     }
-    assert( iBuf == pAbcNtk->nBarBufs2 );
-    // copy internal nodes
-    vFanins = Vec_IntAlloc( 100 );
-    Abc_NtkForEachNode( pAbcNtk, pObj, i )
+}
+void Cba_NtkCreateAndConnectBuffer( Gia_Man_t * pGia, Gia_Obj_t * pObj, Cba_Ntk_t * pNtk, int iTerm )
+{
+    Vec_IntWriteEntry( &pNtk->vTypes, pNtk->nObjs, CBA_OBJ_NODE );
+    if ( !pGia || !Gia_ObjFaninId0p(pGia, pObj) )
+    {
+        Vec_IntWriteEntry( &pNtk->vFuncs,  pNtk->nObjs, pGia && Gia_ObjFaninC0(pObj) ? CBA_NODE_C1 : CBA_NODE_C0 );
+        Vec_IntWriteEntry( &pNtk->vFanins, pNtk->nObjs, Cba_ManHandleBuffer(pNtk->pDesign, -1) );
+    }
+    else
     {
-        if ( Abc_ObjIsBarBuf(pObj) )
-            continue;
-        if ( Abc_ObjFaninNum(pObj) == 0 )
-            continue;
-        Vec_IntClear( vFanins );
-        iNtk = Vec_IntEntry(vObj2Ntk, Abc_ObjId(pObj));
-        Abc_ObjForEachFanin( pObj, pFanin, k )
+        Vec_IntWriteEntry( &pNtk->vFuncs,  pNtk->nObjs, Gia_ObjFaninC0(pObj) ? CBA_NODE_INV : CBA_NODE_BUF );
+        Vec_IntWriteEntry( &pNtk->vFanins, pNtk->nObjs, Cba_ManHandleBuffer(pNtk->pDesign, Gia_ObjFanin0(pObj)->Value) );
+    }
+    Vec_IntWriteEntry( &pNtk->vNameIds, pNtk->nObjs, Cba_ObjNameId(pNtk, iTerm) );
+    Vec_IntWriteEntry( &pNtk->vFanins, iTerm, pNtk->nObjs++ );
+}
+void Cba_NtkInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
+{
+    Cba_Ntk_t * pNtk, * pRoot = Cba_ManRoot( p );
+    Vec_Int_t * vTemp = Vec_IntAlloc( 100 );
+    int i, j, k, iBox, iTerm, Count = 0;
+    Gia_Obj_t * pObj;
+
+    Gia_ManConst0(pGia)->Value = ~0;
+    Gia_ManForEachPi( pGia, pObj, i )
+        pObj->Value = Cba_NtkPi( pRoot, i );
+    Gia_ManForEachAnd( pGia, pObj, i )
+    {
+        if ( Gia_ObjIsBuf(pObj) )
+        {
+            pNtk = Cba_ManNtk( p, Vec_IntEntry(p->vBuf2RootNtk, Count) );
+            iTerm = Vec_IntEntry( p->vBuf2RootObj, Count );
+            assert( Cba_ObjIsCo(pNtk, iTerm) );
+            Cba_NtkCreateAndConnectBuffer( pGia, pObj, pNtk, iTerm );
+            // prepare leaf
+            pObj->Value = Vec_IntEntry( p->vBuf2LeafObj, Count++ );
+        }
+        else
         {
-            assert( Vec_IntEntry(vObj2Ntk, Abc_ObjId(pFanin)) == iNtk );
-            Vec_IntPush( vFanins, Vec_IntEntry(vObj2Obj, Abc_ObjId(pFanin)) );
+            Cba_NodeType_t Type;
+            pNtk = Cba_ManNtk( p, pObj->Value );
+            if ( Gia_ObjFaninC0(pObj) && Gia_ObjFaninC1(pObj) )
+                Type = CBA_NODE_AND00;
+            else if ( Gia_ObjFaninC0(pObj) )
+                Type = CBA_NODE_AND01;
+            else if ( Gia_ObjFaninC1(pObj) )
+                Type = CBA_NODE_AND10;
+            else 
+                Type = CBA_NODE_AND;
+            Vec_IntFillTwo( vTemp, 2, Gia_ObjFanin0(pObj)->Value, Gia_ObjFanin1(pObj)->Value );
+            Vec_IntWriteEntry( &pNtk->vTypes,  pNtk->nObjs, CBA_OBJ_NODE );
+            Vec_IntWriteEntry( &pNtk->vFuncs,  pNtk->nObjs, Type );
+            Vec_IntWriteEntry( &pNtk->vFanins, pNtk->nObjs, Cba_ManHandleArray(p, vTemp) );
+            pObj->Value = pNtk->nObjs++;
         }
-        pNtk = Cba_ManNtk( pNew, iNtk );
-        Vec_IntPush( &pNtk->vTypes,   CBA_OBJ_NODE );
-        Vec_IntPush( &pNtk->vFuncs,   -1 );
-        Vec_IntPush( &pNtk->vFanins,  Cba_ManHandleArray(pNew, vFanins) );
     }
-    // set buffers to point to the roots
-    assert( Vec_IntSize(p->vBuf2RootNtk) == pAbcNtk->nBarBufs2 );
-    assert( Vec_IntSize(p->vBuf2RootObj) == pAbcNtk->nBarBufs2 );
-    iBuf = 0;
-    Abc_NtkForEachBarBuf( pAbcNtk, pObj, i )
+    assert( Count == Gia_ManBufNum(pGia) );
+    Vec_IntFree( vTemp );
+
+    // create constant 0 drivers for COs without barbufs
+    Cba_ManForEachNtk( p, pNtk, i )
     {
-        Vec_IntWriteEntry( vObj2Ntk, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2RootNtk, iBuf) );
-        Vec_IntWriteEntry( vObj2Obj, Abc_ObjId(pObj), Vec_IntEntry(p->vBuf2RootObj, iBuf) );
-        iBuf++;
+        Cba_NtkForEachBox( pNtk, iBox, k )
+            Cba_BoxForEachBi( pNtk, iBox, iTerm, j )
+                if ( Cba_ObjFanin0(pNtk, iTerm) == -1 )
+                    Cba_NtkCreateAndConnectBuffer( NULL, NULL, pNtk, iTerm );
+        Cba_NtkForEachPo( pNtk, iTerm, k )
+            if ( pNtk != pRoot && Cba_ObjFanin0(pNtk, iTerm) == -1 )
+                Cba_NtkCreateAndConnectBuffer( NULL, NULL, pNtk, iTerm );
     }
-    assert( iBuf == pAbcNtk->nBarBufs2 );
-    // connect driven root nodes
+    // create node and connect POs
+    Gia_ManForEachPo( pGia, pObj, i )
+        Cba_NtkCreateAndConnectBuffer( pGia, pObj, pRoot, Cba_NtkPo(pRoot, i) );
+    assert( Cba_NtkObjNum(pRoot) == pRoot->nObjs );
+}
+Cba_Man_t * Cba_ManInsertGia( Cba_Man_t * p, Gia_Man_t * pGia )
+{
+    Vec_Int_t * vNtkSizes = Cba_ManCountGia( p, pGia, 1 );
+    Cba_Man_t * pNew = Cba_ManDupStart( p, vNtkSizes );
+    Cba_ManRemapBarbufs( pNew, p );
+    Cba_NtkInsertGia( pNew, pGia );
+    Vec_IntFree( vNtkSizes );
+    return pNew;
+
+}
 
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
 
-    Vec_IntFree( vObj2Ntk );
-    Vec_IntFree( vObj2Obj );
+***********************************************************************/
+Cba_Man_t * Cba_ManBlastTest( Cba_Man_t * p )
+{
+    Gia_Man_t * pGia = Cba_ManExtract( p, 0 );
+    Cba_Man_t * pNew = Cba_ManInsertGia( p, pGia );
+    Gia_ManStop( pGia );
+    Cba_ManAssignInternNames( pNew );
     return pNew;
 }
 
+
 ////////////////////////////////////////////////////////////////////////
 ///                       END OF FILE                                ///
 ////////////////////////////////////////////////////////////////////////