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Man Pages


Manual Reference Pages  -  DECBDDREFEXT (3)

NAME

decbddrefext - decrements the external reference of a bdd node.

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Errors
Example
See Also

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)

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 DECBDDREFEXT (3) October 1, 1997

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