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ADDBDDVAR(3) BDD FUNCTIONS ADDBDDVAR(3)

NAME

addbddvar - adds a new variable in the bdd system.

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"
bddnode ∗addbddvar( BddSystem, Variable )


  bddsystem ∗BddSystem;


  bddvar     Variable;

PARAMETERS

The bdd system.
The variable number.

DESCRIPTION

addbddvar creates a new variable, with the number Variable, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

addbddvar returns a pointer to the bdd node of the new variable.

ERRORS

"no more variables, error !"

There is no variable number left.
"variable xxx out of range, error !"
The Variable parameter must be less or equal to the BddSystem->NUMBER_VAR field.

EXAMPLE

#include "bdd101.h"


   bddsystem  ∗BddSystem;


   bddnode    ∗BddNode;


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


   BddNode = addbddvar( (bddsystem ∗)0, 0 );


   destroybddsystem( (bddsystem ∗)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.

October 1, 1997 ASIM/LIP6