Transforming miter by swapping sides.

src/aig/gia/giaDup.c

@@ -2794,6 +2794,67 @@ Gia_Man_t * Gia_ManTransformTwoWord2DualOutput( Gia_Man_t * p )
     return pNew;
 }
 
+void Gia_ManCollectOneSide_rec( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vNodes )
+{
+    if ( Gia_ObjIsTravIdCurrent(p, pObj) )
+        return;
+    Gia_ObjSetTravIdCurrent(p, pObj);
+    if ( !Gia_ObjIsAnd(pObj) )
+        return;
+    Gia_ManCollectOneSide_rec( p, Gia_ObjFanin0(pObj), vNodes );
+    Gia_ManCollectOneSide_rec( p, Gia_ObjFanin1(pObj), vNodes );
+    Vec_IntPush( vNodes, Gia_ObjId(p, pObj) );
+}
+Vec_Int_t * Gia_ManCollectOneSide( Gia_Man_t * p, int iSide )
+{
+    Gia_Obj_t * pObj; int i;
+    Vec_Int_t * vNodes = Vec_IntAlloc( Gia_ManAndNum(p) );
+    Gia_ManIncrementTravId( p );
+    Gia_ManForEachPo( p, pObj, i )
+        if ( (i & 1) == iSide )
+            Gia_ManCollectOneSide_rec( p, Gia_ObjFanin0(pObj), vNodes );
+    return vNodes;
+}
+Gia_Man_t * Gia_ManTransformDualOutput( Gia_Man_t * p )
+{
+    Vec_Int_t * vNodes0 = Gia_ManCollectOneSide( p, 0 );
+    Vec_Int_t * vNodes1 = Gia_ManCollectOneSide( p, 1 );
+    Gia_Man_t * pNew, * pTemp;
+    Gia_Obj_t * pObj, * pObj2;
+    int i, fSwap = 0;
+    assert( Gia_ManRegNum(p) == 0 );
+    assert( (Gia_ManPoNum(p) & 1) == 0 );
+    if ( Vec_IntSize(vNodes0) > Vec_IntSize(vNodes1) )
+    {
+        ABC_SWAP( Vec_Int_t *, vNodes0, vNodes1 );
+        fSwap = 1;
+    }
+    assert( Vec_IntSize(vNodes0) <= Vec_IntSize(vNodes1) );
+    pNew = Gia_ManStart( Gia_ManObjNum(p) );
+    pNew->pName = Abc_UtilStrsav( p->pName );
+    pNew->pSpec = Abc_UtilStrsav( p->pSpec );
+    Gia_ManConst0(p)->Value = 0;
+    Gia_ManHashAlloc( pNew );
+    Gia_ManForEachCi( p, pObj, i )
+        pObj->Value = Gia_ManAppendCi( pNew );
+    Gia_ManForEachObjVec( vNodes0, p, pObj, i )
+        pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
+    Gia_ManForEachObjVec( vNodes1, p, pObj, i )
+        pObj->Value = Gia_ManHashAnd( pNew, Gia_ObjFanin0Copy(pObj), Gia_ObjFanin1Copy(pObj) );
+    Vec_IntFree( vNodes0 );
+    Vec_IntFree( vNodes1 );
+    Gia_ManForEachPo( p, pObj, i )
+    {
+        pObj2 = Gia_ManPo( p, i^fSwap );
+        pObj->Value = Gia_ManAppendCo( pNew, Gia_ObjFanin0Copy(pObj2) );
+    }
+    Gia_ManHashStop( pNew );
+    Gia_ManSetRegNum( pNew, Gia_ManRegNum(p) );
+    pNew = Gia_ManCleanup( pTemp = pNew );
+    Gia_ManStop( pTemp );
+    return pNew;
+}
+
 /**Function*************************************************************
 
   Synopsis    [Performs 'zero' and 'undc' operation.]

src/base/abci/abc.c

@@ -1241,12 +1241,9 @@ void Abc_End( Abc_Frame_t * pAbc )
         Sdm_ManQuit();
     }
     Abc_NtkFraigStoreClean();
-    if ( Abc_FrameGetGlobalFrame()->pGia )
-        Gia_ManStop( Abc_FrameGetGlobalFrame()->pGia );
-    if ( Abc_FrameGetGlobalFrame()->pGia2 )
-        Gia_ManStop( Abc_FrameGetGlobalFrame()->pGia2 );
-    if ( Abc_FrameGetGlobalFrame()->pGiaBest )
-        Gia_ManStop( Abc_FrameGetGlobalFrame()->pGiaBest );
+    Gia_ManStopP( &pAbc->pGia );
+    Gia_ManStopP( &pAbc->pGia2 );
+    Gia_ManStopP( &pAbc->pGiaBest );
     if ( Abc_NtkRecIsRunning3() )
         Abc_NtkRecStop3();
 }
@@ -12457,7 +12454,7 @@ int Abc_CommandTest( Abc_Frame_t * pAbc, int argc, char ** argv )
 //        Cba_PrsReadBlifTest();
     }
 //    Abc_NtkComputePaths( Abc_FrameReadNtk(pAbc) );
-//    Acb_DataReadTest();
+//    Psl_FileTest();
     return 0;
 usage:
     Abc_Print( -2, "usage: test [-CKDNM] [-aovwh] <file_name>\n" );
@@ -32152,9 +32149,10 @@ int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
     int fTrans   = 0;
     int fTransX  = 0;
     int fConvert = 0;
+    int fTransZ  = 0;
     int fVerbose = 0;
     Extra_UtilGetoptReset();
-    while ( ( c = Extra_UtilGetopt( argc, argv, "Idstxyvh" ) ) != EOF )
+    while ( ( c = Extra_UtilGetopt( argc, argv, "Idstxyzvh" ) ) != EOF )
     {
         switch ( c )
         {
@@ -32184,6 +32182,9 @@ int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
         case 'y':
             fConvert ^= 1;
             break;
+        case 'z':
+            fTransZ ^= 1;
+            break;
         case 'v':
             fVerbose ^= 1;
             break;
@@ -32193,7 +32194,7 @@ int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
             goto usage;
         }
     }
-    if ( fTrans || fTransX || fConvert )
+    if ( fTrans || fTransX || fTransZ || fConvert )
     {
         if ( pAbc->pGia == NULL )
         {
@@ -32215,6 +32216,12 @@ int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
             pAux = Gia_ManTransformMiter2( pAbc->pGia );
             Abc_Print( 1, "The miter (current AIG) is transformed by XORing POs of two word-level outputs.\n" );
         }
+        else if ( fTransZ ) 
+        {
+            extern Gia_Man_t * Gia_ManTransformDualOutput( Gia_Man_t * p );
+            pAux = Gia_ManTransformDualOutput( pAbc->pGia );
+            Abc_Print( 1, "The dual-output miter (current AIG) is transformed by ordering sides.\n" );
+        }
         else
         {
             pAux = Gia_ManTransformTwoWord2DualOutput( pAbc->pGia );
@@ -32260,7 +32267,7 @@ int Abc_CommandAbc9Miter( Abc_Frame_t * pAbc, int argc, char ** argv )
     return 0;
 
 usage:
-    Abc_Print( -2, "usage: &miter [-I num] [-dstxyvh] <file>\n" );
+    Abc_Print( -2, "usage: &miter [-I num] [-dstxyzvh] <file>\n" );
     Abc_Print( -2, "\t         creates miter of two designs (current AIG vs. <file>)\n" );
     Abc_Print( -2, "\t-I num : the number of last PIs to replicate [default = %d]\n", nInsDup );
     Abc_Print( -2, "\t-d     : toggle creating dual-output miter [default = %s]\n", fDualOut? "yes": "no" );
@@ -32268,6 +32275,7 @@ usage:
     Abc_Print( -2, "\t-t     : toggle XORing POs of dual-output miter [default = %s]\n", fTrans? "yes": "no" );
     Abc_Print( -2, "\t-x     : toggle XORing POs of two-word miter [default = %s]\n", fTransX? "yes": "no" );
     Abc_Print( -2, "\t-y     : toggle convering two-word miter into dual-output miter [default = %s]\n", fConvert? "yes": "no" );
+    Abc_Print( -2, "\t-z     : toggle odering sides of the dual-output miter [default = %s]\n", fTransZ? "yes": "no" );
     Abc_Print( -2, "\t-v     : toggle printing verbose information [default = %s]\n", fVerbose? "yes": "no" );
     Abc_Print( -2, "\t-h     : print the command usage\n");
     Abc_Print( -2, "\t<file> : AIGER file with the design to miter\n");