NAME¶

delbddnode - deletes an unused bdd node.

ORIGIN¶

This software belongs to the ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Université Pierre et Marie CURIE, in Paris, France.

Web : http://asim.lip6.fr/recherche/alliance/
E-mail : alliance-users@asim.lip6.fr

SYNOPSYS¶

#include "bdd101.h"
void delbddnode( BddSystem, BddNode )


  bddsystem ∗BddSystem;


  bddnode   ∗BddNode;

PARAMETERS¶

BddSystem

The bdd system.

BddNode

The bdd node.

DESCRIPTION¶

delbddnode tries to delete the bdd node BddNode and its children, if they have not external reference, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used. The use of this function is not recommended because, it takes time. It is better to call the decbddrefext function, and do a garbage collection with the garbagebddsystem function.

RETURN VALUE¶

delbddnode returns nothing.

EXAMPLE¶

#include "bdd101.h"


   bddsystem  ∗BddSystem;


   bddcircuit ∗BddCircuit;


   bddnode    ∗BddNode;


   chain_list ∗Expr;


   BddSystem  = createbddsystem( 100, 1000, 100, 50000 );


   BddCircuit = createbddcircuit( "hello_world", 10, 10, BddSystem );


   BddNode = addbddcircuitin( (bddcircuit ∗)0, "i0", 0, BDD_IN_MODE_FIRST );


   BddNode = addbddnode( (bddsystem ∗)0, BddNode->INDEX, BddNode->LOW, BddNode->HIGH );


   Expr = convertbddcircuitabl( (bddcircuit ∗)0, BddNode );


   delbddnode( (bddsystem ∗)0, decbddrefext( BddNode ) );


   /* displays (not i0) */


   viewablexpr( Expr, ABL_VIEW_VHDL );


   freeablexpr( Expr );


   destroybddsystem( (bddsystem ∗)0 );


   destroybddcircuit( (bddcircuit ∗)0 );

SEE ALSO¶

bdd(1)

BUG REPORT¶

This tool is under development at the ASIM department of the LIP6 laboratory.
We need your feedback to improve documentation and tools.