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Man Pages
EXISTBDDNODEASSOCON(3) BDD FUNCTIONS EXISTBDDNODEASSOCON(3)

existbddnodeassocon - computes an existantial quantification.
See the file man1/alc_origin.1.

#include "bdd101.h"
bddnode ∗existbddnodeassocon( BddSystem, BddNode, BddAssoc )
  bddsystem ∗BddSystem;
  bddnode   ∗BddNode;
  bddassoc  ∗BddAssoc;

BddSystem
The bdd system.
BddNode
The bdd node to treat.
BddAssoc
The variable association.

existbddnodeassocon suppress in BddNode, all the variables associated with something in the variable association BddAssoc, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.
 

existbddnodeassocon returns the computed bdd node.

"bad variable association xxx, error !"
The BddAssoc parameter must a valid variable association.

#include "bdd101.h"
   bddsystem  ∗BddSystem;
   bddcircuit ∗BddCircuit;
   bddnode    ∗BddNode;
   bddnode    ∗BddSubst;
   bddnode    ∗BddVariable;
   bddassoc   ∗Assoc;
   chain_list ∗Expr;
   bddvar         Variable;
   BddSystem  = createbddsystem( 100, 1000, 100, 50000 );
   BddCircuit = createbddcircuit( "hello_world", 10, 10, BddSystem );
   Expr = createablbinexpr( ABL_AND,
                            createablatom( "i0" ),
                            createablatom( "i1" ) );
   BddNode = addbddcircuitabl( BddCircuit, Expr );
   freeablexpr( Expr );
   BddVariable = searchbddcircuitin( (bddcircuit ∗)0, "i0" );
   Variable = getbddvarbyindex( (bddsystem ∗)0, BddVariable->INDEX );
   Assoc = addbddassoc( (bddsystem ∗)0 );
   addbddnodeassoc( (bddsystem ∗)0, Assoc, Variable, BddSystem->ONE );
   BddNode = existbddnodeassocon( (bddsystem ∗)0, BddNode, Assoc );
   Expr = convertbddcircuitabl( BddCircuit, BddNode );
   /* displays i1 */
   viewablexpr( Expr, ABL_VIEW_VHDL );
   freeablexpr( Expr );
   destroybddassoc( (bddsystem ∗)0 );
   destroybddsystem( (bddsystem ∗)0 );
   destroybddcircuit( (bddcircuit ∗)0 );

bdd(1)
See the file man1/alc_bug_report.1.
October 1, 1997 ASIM/LIP6

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