Version abc90329

1 files changed, 113 insertions, 0 deletions

diff --git a/src/map/cov/covMinMan.c b/src/map/cov/covMinMan.c
new file mode 100644
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+++ b/src/map/cov/covMinMan.c
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+/**CFile****************************************************************
+
+  FileName    [covMinMan.c]
+
+  SystemName  [ABC: Logic synthesis and verification system.]
+
+  PackageName [Mapping into network of SOPs/ESOPs.]
+
+  Synopsis    [SOP manipulation.]
+
+  Author      [Alan Mishchenko]
+  
+  Affiliation [UC Berkeley]
+
+  Date        [Ver. 1.0. Started - June 20, 2005.]
+
+  Revision    [$Id: covMinMan.c,v 1.00 2005/06/20 00:00:00 alanmi Exp $]
+
+***********************************************************************/
+
+#include "covInt.h"
+
+////////////////////////////////////////////////////////////////////////
+///                        DECLARATIONS                              ///
+////////////////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////////////////
+///                     FUNCTION DEFINITIONS                         ///
+////////////////////////////////////////////////////////////////////////
+
+/**Function*************************************************************
+
+  Synopsis    [Starts the minimization manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+Min_Man_t * Min_ManAlloc( int nVars )
+{
+    Min_Man_t * pMan;
+    // start the manager
+    pMan = ABC_ALLOC( Min_Man_t, 1 );
+    memset( pMan, 0, sizeof(Min_Man_t) );
+    pMan->nVars   = nVars;
+    pMan->nWords  = Abc_BitWordNum( nVars * 2 );
+    pMan->pMemMan = Extra_MmFixedStart( sizeof(Min_Cube_t) + sizeof(unsigned) * (pMan->nWords - 1) );
+    // allocate storage for the temporary cover
+    pMan->ppStore = ABC_ALLOC( Min_Cube_t *, pMan->nVars + 1 );
+    // create tautology cubes
+    Min_ManClean( pMan, nVars );
+    pMan->pOne0  = Min_CubeAlloc( pMan );
+    pMan->pOne1  = Min_CubeAlloc( pMan );
+    pMan->pTemp  = Min_CubeAlloc( pMan );
+    pMan->pBubble = Min_CubeAlloc( pMan );  pMan->pBubble->uData[0] = 0;
+    // create trivial cubes
+    Min_ManClean( pMan, 1 );
+    pMan->pTriv0[0] = Min_CubeAllocVar( pMan, 0, 0 );
+    pMan->pTriv0[1] = Min_CubeAllocVar( pMan, 0, 1 );   
+    pMan->pTriv1[0] = Min_CubeAllocVar( pMan, 0, 0 );
+    pMan->pTriv1[1] = Min_CubeAllocVar( pMan, 0, 1 );   
+    Min_ManClean( pMan, nVars );
+    return pMan;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Cleans the minimization manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Min_ManClean( Min_Man_t * p, int nSupp )
+{
+    // set the size of the cube manager
+    p->nVars  = nSupp;
+    p->nWords = Abc_BitWordNum(2*nSupp);
+    // clean the storage
+    memset( p->ppStore, 0, sizeof(Min_Cube_t *) * (nSupp + 1) );
+    p->nCubes = 0;
+}
+
+/**Function*************************************************************
+
+  Synopsis    [Stops the minimization manager.]
+
+  Description []
+               
+  SideEffects []
+
+  SeeAlso     []
+
+***********************************************************************/
+void Min_ManFree( Min_Man_t * p )
+{
+    Extra_MmFixedStop( p->pMemMan );
+    ABC_FREE( p->ppStore );
+    ABC_FREE( p );
+}
+
+
+////////////////////////////////////////////////////////////////////////
+///                       END OF FILE                                ///
+////////////////////////////////////////////////////////////////////////
+
+