Started PO partitioning command.

2 files changed, 121 insertions, 0 deletions

diff --git a/src/aig/gia/giaCone.c b/src/aig/gia/giaCone.c
new file mode 100644
index 00000000..0b1b55f0
--- /dev/null
+++ b/src/aig/gia/giaCone.c
@@ -0,0 +1,120 @@
+/**CFile****************************************************************
+
+  FileName    [giaCone.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Scalable AIG package.]
+
+  Synopsis    []
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: giaCone.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "gia.h"
+
+ABC_NAMESPACE_IMPL_START
+
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Gia_ManConeMark_rec( Gia_Man_t * p, Gia_Obj_t * pObj, Vec_Int_t * vRoots, int nLimit )
+{
+    if ( Gia_ObjIsTravIdCurrent(p, pObj) )
+        return 0;
+    Gia_ObjSetTravIdCurrent(p, pObj);
+    if ( Gia_ObjIsAnd(pObj) )
+    {
+        if ( Gia_ManConeMark_rec( p, Gia_ObjFanin0(pObj), vRoots, nLimit ) )
+            return 1;
+        if ( Gia_ManConeMark_rec( p, Gia_ObjFanin1(pObj), vRoots, nLimit ) )
+            return 1;
+    }
+    else if ( Gia_ObjIsCo(pObj) )
+    {
+        if ( Gia_ManConeMark_rec( p, Gia_ObjFanin0(pObj), vRoots, nLimit ) )
+            return 1;
+    }
+    else if ( Gia_ObjIsRo(p, pObj) )
+        Vec_IntPush( vRoots, Gia_ObjId(p, Gia_ObjRoToRi(p, pObj)) );
+    else if ( Gia_ObjIsPi(p, pObj) )
+    {}
+    else assert( 0 );
+    return (int)(Vec_IntSize(vRoots) > nLimit);
+}
+int Gia_ManConeMark( Gia_Man_t * p, int iOut, int Limit )
+{
+    Vec_Int_t * vRoots;
+    Gia_Obj_t * pObj;
+    int i, RetValue;
+    // start the outputs
+    pObj = Gia_ManPo( p, iOut );
+    vRoots = Vec_IntAlloc( 100 );
+    Vec_IntPush( vRoots, Gia_ObjId(p, pObj) );
+    // mark internal nodes
+    Gia_ManIncrementTravId( p );
+    Gia_ObjSetTravIdCurrent( p, Gia_ManConst0(p) );
+    Gia_ManForEachObjVec( vRoots, p, pObj, i )
+        if ( Gia_ManConeMark_rec( p, pObj, vRoots, Limit ) )
+            break;
+    RetValue = Vec_IntSize( vRoots ) - 1;
+    Vec_IntFree( vRoots );
+    return RetValue;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Gia_Man_t * Gia_ManConeExtract( Gia_Man_t * p, int iOut, int nDelta, int nOutsMin, int nOutsMax )
+{
+    int i, Count = 0;
+    // mark nodes belonging to output 'iOut'
+    for ( i = 0; i < Gia_ManPoNum(p); i++ )
+        Count += (Gia_ManConeMark(p, i, 10000) < 10000);
+     //   printf( "%d ", Gia_ManConeMark(p, i, 1000) );
+    printf( "%d out of %d\n", Count, Gia_ManPoNum(p) );
+
+    // add other outputs as long as they are nDelta away
+
+    return NULL;
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+
+ABC_NAMESPACE_IMPL_END
+
diff --git a/src/aig/gia/module.make b/src/aig/gia/module.make
index a8e3e9ee..3fbd5e40 100644
--- a/src/aig/gia/module.make
+++ b/src/aig/gia/module.make
@@ -7,6 +7,7 @@ SRC +=    src/aig/gia/gia.c \
     src/aig/gia/giaCex.c \
     src/aig/gia/giaChoice.c \
     src/aig/gia/giaCof.c \
+    src/aig/gia/giaCone.c \
     src/aig/gia/giaCSatOld.c \
     src/aig/gia/giaCSat.c \
     src/aig/gia/giaCTas.c \