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DECBDDREFEXT

NAME

decbddrefext − decrements the external reference of a 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 AT asim DOT lip6 DOT fr

SYNOPSYS

#include "bdd101.h"
bddnode ∗decbddrefext( BddNode )
bddnode ∗BddNode;

PARAMETERS

BddNode

The bdd node.

DESCRIPTION

decbddrefext decrements the number of external reference of the bdd node BddNode.

RETURN VALUE

decbddrefext returns the BddNode pointer.

ERRORS

"negative reference, index xxx error !"

The BddNode must have a postive number of external reference.

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 );
decbddrefext( BddNode );
/* displays Node VAR: 0 INDEX: 2 MARK: 0 REF_EXT: 0 REF_INT: 0 */
viewbddnode( (bddsystem ∗)0, 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.

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