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Name

isbddvarinsupport - tests if a variable appears in a bdd.

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"
int isbddvarinsupport( BddSystem, BddNode, Variable ) bddsystem *BddSystem;
bddnode *BddNode;

bddvar
Variable;

Parameters

BddSystem
The bdd system.
BddNode
The bdd node.
Variable
The variable number.

Description

isbddvarinsupport tests if the variable number Variable appears in the support of the bdd node BddNode, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

Return Value

isbddvarinsupport returns 1 if Variable appears, 0 otherwise.

Errors

variable xxx out of range, error !"
The Variable parameter must be less or equal to the BddSystem->NUM_BER_VAR field.

Example

#include bdd101.h"
bddsystem *BddSystem;
bddcircuit *BddCircuit;

bddnode
*BddNode;
bddnode
*BddVariable; 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 ) ); /* displays 1 */
printf( %d", isbddvarinsupport( (bddsystem *)0, BddNode, Variable ) ); destroybddsystem( (bddsystem *)0 );
destroybddcircuit( (bddcircuit *)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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