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ADDBDDASSOC(3)			 BDD FUNCTIONS			ADDBDDASSOC(3)

NAME
       addbddassoc - creates a new association variables.

SYNOPSYS
       #include	"bdd101.h"
       bddassoc	*addbddassoc( BddSystem	)
	 bddsystem  *BddSystem;

PARAMETERS
       BddSystem	   The bdd system.

DESCRIPTION
       addbddassoc  creates  a	new  association  variables  in	the bdd	system
       BddSystem.  If a	null pointer is	given, the default bdd system is used.

RETURN VALUE
       addbddassoc returns a pointer to	the new	variable association.

ERRORS
       "no more	variable association, error !"
	      There is no variable association number left.

EXAMPLE
       #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 );
	  Expr = createablbinexpr( ABL_OR,
				   createablatom( "i2" ),
				   createablatom( "i3" ) );
	  BddSubst = 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, BddSubst );
	  BddNode = substbddnodeassoc( (bddsystem *)0, BddSubst, Assoc );
	  delbddassoc( (bddsystem *)0, Assoc );
	  Expr = convertbddcircuitabl( BddCircuit, BddNode );
	  /* displays ((i3 or i2) and i1) */
	  viewablexpr( Expr, ABL_VIEW_VHDL );
	  freeablexpr( Expr );
	  destroybddassoc( (bddsystem *)0 );
	  destroybddsystem( (bddsystem *)0 );
	  destroybddcircuit( (bddcircuit *)0 );

SEE ALSO
       bdd(1)

ASIM/LIP6			October	1, 1997			ADDBDDASSOC(3)
NAME | SYNOPSYS | PARAMETERS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLE | SEE ALSO

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