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Name

delbddassoc - deletes a variable association.

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 delbddassoc( BddSystem, BddAssoc )
bddsystem *BddSystem;
bddassoc *BddAssoc;

Parameters

BddSystem
The bdd system.
BddAssoc
The variable association to delete.

Description

delbddassoc deletes the variable association BddAssoc in the bdd system BddSystem. If a null pointer is given, the default bdd system is used. For all the bdd nodes of the variable association BddAssoc, the number of external reference is decremented.

Return Value

delbddassoc returns 1 if the variable association is found, 0 otherwise.

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 = delbddassoc( (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)

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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