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Man Pages


Manual Reference Pages  -  IMPLYBDDNODE (3)

NAME

implybddnode - computes a bdd that implies a conjonction of two bdd nodes.

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Example
See Also

SYNOPSYS






#include "bdd101.h"
bddnode *implybddnode( 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

implybddnode tests if the intersection of BddNode1 and not BddNode2, exists, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

implybddnode 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_OR,
                            createablatom( "i0" ),
                            createablatom( "i1" ) );
   BddNode1 = addbddcircuitabl( BddCircuit, Expr );
   freeablexpr( Expr );
   Expr = createablbinexpr( ABL_AND,
                            createablatom( "i0" ),
                            createablatom( "i1" ) );
   BddNode1 = addbddcircuitabl( BddCircuit, Expr );
   freeablexpr( Expr );
   BddImply = implybddnode( (bddsystem *)0, BddNode1, BddNode2 );
   Expr = convertbddcircuitabl( BddCircuit, BddNode );
   /* displays (i0 and (not i1)) */
   viewablexpr( Expr, ABL_VIEW_VHDL );
   freeablexpr( Expr );
   destroybddsystem( (bddsystem *)0 );
   destroybddcircuit( (bddcircuit *)0 );


SEE ALSO

bdd(1)

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 IMPLYBDDNODE (3) October 1, 1997

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