intersectbddnode

Langue: en

Version: October 1, 1997 (fedora - 04/07/09)

Section: 3 (Bibliothèques de fonctions)

Sommaire

NAME

intersectbddnode - tests for an intersection between two bdd nodes.
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SYNOPSYS

 #include "bdd101.h"
 bddnode *intersectbddnode( BddSystem, BddNode1, BddNode2 )
   bddsystem *BddSystem;
   bddnode   *BddNode1;
   bddnode   *BddNode2;

PARAMETERS

BddSystem
The bdd system.
BddNode1
The first bdd node.
BddNode2
The second bdd node.

DESCRIPTION

intersectbddnode tests if the intersection of BddNode1 and BddNode2 exists, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

intersectbddnode returns the bdd node zero if there is no intersection, and a computed bdd node otherwise.

EXAMPLE

 #include "bdd101.h"
    bddsystem  *BddSystem;
    bddcircuit *BddCircuit;
    bddnode    *BddNode1;
    bddnode    *BddNode2;
    bddnode    *BddImply;
    chain_list *Expr;
    BddSystem  = createbddsystem( 100, 1000, 100, 50000 );
    BddCircuit = createbddcircuit( "hello_world", 10, 10, BddSystem );
    Expr = createablbinexpr( ABL_AND,
                             createablatom( "i0" ),
                             createablatom( "i1" ) );
    BddNode1 = addbddcircuitabl( BddCircuit, Expr );
    freeablexpr( Expr );
    Expr = createablbinexpr( ABL_OR,
                             createablatom( "i0" ),
                             createablatom( "i1" ) );
    BddNode1 = addbddcircuitabl( BddCircuit, Expr );
    freeablexpr( Expr );
    BddImply = intersectbddnode( (bddsystem *)0, BddNode1, BddNode2 );
    Expr = convertbddcircuitabl( BddCircuit, BddNode );
    /* displays (i0 and i1)) */
    viewablexpr( Expr, ABL_VIEW_VHDL );
    freeablexpr( Expr );
    destroybddsystem( (bddsystem *)0 );
    destroybddcircuit( (bddcircuit *)0 );

SEE ALSO

bdd(1)
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