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ADDBDDVARFIRST(3) BDD FUNCTIONS ADDBDDVARFIRST(3)

NAME

addbddvarfirst - adds a new variable, before all others.

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 ∗addbddvarfirst( BddSystem )
  bddsystem ∗BddSystem;

PARAMETERS

BddSystem
The bdd system.

DESCRIPTION

addbddvarfirst creates a new variable, with the number 0, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

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

ERRORS

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

EXAMPLE

#include "bdd101.h"
   bddsystem  ∗BddSystem;
   bddnode    ∗BddNode;
   BddSystem  = createbddsystem( 100, 1000, 100, 50000 );
   BddNode = addbddvarfirst( (bddsystem ∗)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