1 files changed, 164 insertions, 0 deletions
diff --git a/src/aig/hop/hopMan.c b/src/aig/hop/hopMan.c
new file mode 100644
index 00000000..99f5d316
--- /dev/null
+++ b/src/aig/hop/hopMan.c
@@ -0,0 +1,164 @@
+/**CFile****************************************************************
+
+  FileName    [hopMan.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Minimalistic And-Inverter Graph package.]
+
+  Synopsis    [AIG manager.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - May 11, 2006.]
+
+  Revision    [$Id: hopMan.c,v 1.00 2006/05/11 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "hop.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Starts the AIG manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Hop_Man_t * Hop_ManStart()
+{
+    Hop_Man_t * p;
+    // start the manager
+    p = ALLOC( Hop_Man_t, 1 );
+    memset( p, 0, sizeof(Hop_Man_t) );
+    // perform initializations
+    p->nTravIds = 1;
+    p->fRefCount = 1;
+    p->fCatchExor = 0;
+    // allocate arrays for nodes
+    p->vPis = Vec_PtrAlloc( 100 );
+    p->vPos = Vec_PtrAlloc( 100 );
+    // prepare the internal memory manager
+    Hop_ManStartMemory( p );
+    // create the constant node
+    p->pConst1 = Hop_ManFetchMemory( p );
+    p->pConst1->Type = AIG_CONST1;
+    p->pConst1->fPhase = 1;
+    p->nCreated = 1;
+    // start the table
+//    p->nTableSize = 107;
+    p->nTableSize = 10007;
+    p->pTable = ALLOC( Hop_Obj_t *, p->nTableSize );
+    memset( p->pTable, 0, sizeof(Hop_Obj_t *) * p->nTableSize );
+    return p;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Stops the AIG manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Hop_ManStop( Hop_Man_t * p )
+{
+    Hop_Obj_t * pObj;
+    int i;
+    // make sure the nodes have clean marks
+    pObj = Hop_ManConst1(p);
+    assert( !pObj->fMarkA && !pObj->fMarkB );
+    Hop_ManForEachPi( p, pObj, i )
+        assert( !pObj->fMarkA && !pObj->fMarkB );
+    Hop_ManForEachPo( p, pObj, i )
+        assert( !pObj->fMarkA && !pObj->fMarkB );
+    Hop_ManForEachNode( p, pObj, i )
+        assert( !pObj->fMarkA && !pObj->fMarkB );
+    // print time
+    if ( p->time1 ) { PRT( "time1", p->time1 ); }
+    if ( p->time2 ) { PRT( "time2", p->time2 ); }
+//    Hop_TableProfile( p );
+    if ( p->vChunks )  Hop_ManStopMemory( p );
+    if ( p->vPis )     Vec_PtrFree( p->vPis );
+    if ( p->vPos )     Vec_PtrFree( p->vPos );
+    if ( p->vObjs )    Vec_PtrFree( p->vObjs );
+    free( p->pTable );
+    free( p );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Returns the number of dangling nodes removed.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+int Hop_ManCleanup( Hop_Man_t * p )
+{
+    Vec_Ptr_t * vObjs;
+    Hop_Obj_t * pNode;
+    int i, nNodesOld;
+    assert( p->fRefCount );
+    nNodesOld = Hop_ManNodeNum(p);
+    // collect roots of dangling nodes
+    vObjs = Vec_PtrAlloc( 100 );
+    Hop_ManForEachNode( p, pNode, i )
+        if ( Hop_ObjRefs(pNode) == 0 )
+            Vec_PtrPush( vObjs, pNode );
+    // recursively remove dangling nodes
+    Vec_PtrForEachEntry( vObjs, pNode, i )
+        Hop_ObjDelete_rec( p, pNode );
+    Vec_PtrFree( vObjs );
+    return nNodesOld - Hop_ManNodeNum(p);
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Stops the AIG manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Hop_ManPrintStats( Hop_Man_t * p )
+{
+    printf( "PI/PO = %d/%d. ", Hop_ManPiNum(p), Hop_ManPoNum(p) );
+    printf( "A = %7d. ",       Hop_ManAndNum(p) );
+    printf( "X = %5d. ",       Hop_ManExorNum(p) );
+    printf( "Cre = %7d. ",     p->nCreated );
+    printf( "Del = %7d. ",     p->nDeleted );
+    printf( "Lev = %3d. ",     Hop_ManCountLevels(p) );
+    printf( "\n" );
+}
+
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+