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Name

addbddvarbefore - adds a new variable, before an existing one.

Origin

This software belongs to the ALLIANCE CAD system from the CAO-VLSI team at ASIM/LIP6/UPMC laboratory.
LIP6/ASIM
University P. et M. Curie 4, place Jussieu 75252 PARIS Cedex 05 FRANCE
Fax : {33/0} 1.44.27.62.86
E-mail support : alliance-support@asim.lip6.fr

Synopsys

#include bdd101.h"
bddnode *addbddvarbefore( BddSystem )
bddsystem *BddSystem;

bddindex
Index;

Parameters

BddSystem
The bdd system.
Index
The bdd index of an existing variable.

Description

addbddvarbefore creates a new variable, with the number BddSys_tem->INDEX_TO_VAR[ Index ] in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

Return Value

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

Errors

no more variables, error !"
There is no variable number left. index xxx out of range, error !"
The Index parameter must be a valid index.

Example

#include bdd101.h"
bddsystem *BddSystem;

bddnode
*BddNode1;
bddnode
*BddNode2; BddSystem = createbddsystem( 100, 1000, 100, 50000 ); BddNode1 = addbddvarfirst( (bddsystem *)0 ); BddNode2 = addbddvarbefore( (bddsystem *)0, BddNode1->INDEX ); destroybddsystem( (bddsystem *)0 );

See Also

bdd(1)

Bug Report

This tool is under development at the ASIM/LIP6/UPMC laboratory, cao-vlsi research team.
We need your feedbak to improve documentation and tools. If you find bugs, please fill-in the form at http://asim.lip6.fr/alliance/support/bug-report/ Thanks for doing this.


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