1 files changed, 144 insertions, 0 deletions
diff --git a/src/map/cov/covMan.c b/src/map/cov/covMan.c
new file mode 100644
index 00000000..74a5cf8a
--- /dev/null
+++ b/src/map/cov/covMan.c
@@ -0,0 +1,144 @@
+/**CFile****************************************************************
+
+  FileName    [covMan.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Mapping into network of SOPs/ESOPs.]
+
+  Synopsis    [Decomposition manager.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: covMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "cov.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Cov_Man_t * Cov_ManAlloc( Abc_Ntk_t * pNtk, int nFaninMax )
+{
+    Cov_Man_t * pMan;
+    Cov_Obj_t * pMem;
+    Abc_Obj_t * pObj;
+    int i;
+    assert( pNtk->pManCut == NULL );
+
+    // start the manager
+    pMan = ABC_ALLOC( Cov_Man_t, 1 );
+    memset( pMan, 0, sizeof(Cov_Man_t) );
+    pMan->nFaninMax = nFaninMax;
+    pMan->nCubesMax = 2 * pMan->nFaninMax;
+    pMan->nWords    = Abc_BitWordNum( nFaninMax * 2 );
+
+    // get the cubes
+    pMan->vComTo0 = Vec_IntAlloc( 2*nFaninMax );
+    pMan->vComTo1 = Vec_IntAlloc( 2*nFaninMax );
+    pMan->vPairs0 = Vec_IntAlloc( nFaninMax );
+    pMan->vPairs1 = Vec_IntAlloc( nFaninMax );
+    pMan->vTriv0  = Vec_IntAlloc( 1 );  Vec_IntPush( pMan->vTriv0, -1 ); 
+    pMan->vTriv1  = Vec_IntAlloc( 1 );  Vec_IntPush( pMan->vTriv1, -1 ); 
+
+    // allocate memory for object structures
+    pMan->pMemory = pMem = ABC_ALLOC( Cov_Obj_t, sizeof(Cov_Obj_t) * Abc_NtkObjNumMax(pNtk) );
+    memset( pMem, 0, sizeof(Cov_Obj_t) * Abc_NtkObjNumMax(pNtk) );
+    // allocate storage for the pointers to the memory
+    pMan->vObjStrs = Vec_PtrAlloc( Abc_NtkObjNumMax(pNtk) );
+    Vec_PtrFill( pMan->vObjStrs, Abc_NtkObjNumMax(pNtk), NULL );
+    Abc_NtkForEachObj( pNtk, pObj, i )
+        Vec_PtrWriteEntry( pMan->vObjStrs, i, pMem + i );
+    // create the cube manager
+    pMan->pManMin = Min_ManAlloc( nFaninMax );
+    return pMan;
+}
+
+/**Function*************************************************************
+
+  Synopsis    []
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Cov_ManFree( Cov_Man_t * p )
+{
+    Vec_Int_t * vSupp;
+    int i;
+    for ( i = 0; i < p->vObjStrs->nSize; i++ )
+    {
+        vSupp = ((Cov_Obj_t *)p->vObjStrs->pArray[i])->vSupp;
+        if ( vSupp ) Vec_IntFree( vSupp );
+    }
+
+    Min_ManFree( p->pManMin );
+    Vec_PtrFree( p->vObjStrs );
+    Vec_IntFree( p->vFanCounts );
+    Vec_IntFree( p->vTriv0 );
+    Vec_IntFree( p->vTriv1 );
+    Vec_IntFree( p->vComTo0 );
+    Vec_IntFree( p->vComTo1 );
+    Vec_IntFree( p->vPairs0 );
+    Vec_IntFree( p->vPairs1 );
+    ABC_FREE( p->pMemory );
+    ABC_FREE( p );
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Drop the covers at the node.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Abc_NodeCovDropData( Cov_Man_t * p, Abc_Obj_t * pObj )
+{
+    int nFanouts;
+    assert( p->vFanCounts );
+    nFanouts = Vec_IntEntry( p->vFanCounts, pObj->Id );
+    assert( nFanouts > 0 );
+    if ( --nFanouts == 0 )
+    {
+        Vec_IntFree( Abc_ObjGetSupp(pObj) );
+        Abc_ObjSetSupp( pObj, NULL );
+        Min_CoverRecycle( p->pManMin, Abc_ObjGetCover2(pObj) );
+        Abc_ObjSetCover2( pObj, NULL );
+        p->nSupps--;
+    }
+    Vec_IntWriteEntry( p->vFanCounts, pObj->Id, nFanouts );
+}
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+