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Man Pages


Manual Reference Pages  -  ADDBDDNODEASSOC (3)

NAME

addbddnodeassoc - adds a bdd node in a variable association.

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Errors
Example
See Also

SYNOPSYS






#include "bdd101.h"
bddassoc *addbddnodeassoc( BddSystem, BddAssoc, Variable, BddNode )
  bddsystem  *BddSystem;
  bddassoc   *BddAssoc;
  bddvar      Variable;
  bddnode    *BddNode;


PARAMETERS

BddSystem The bdd system.
BddAssoc The variable association.
Variable The variable number.
BddNode The bdd node to add.

DESCRIPTION

addbddnodeassoc adds the bdd node BddNode, associated to the variable number Variable, in the variable association BddAssoc, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used. The number of external reference of BddNode is incremented.

RETURN VALUE

addbddnodeassoc returns a pointer to the variable association.

ERRORS

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

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 = addbddassoc( (bddsystem *)0 );
   addbddnodeassoc( (bddsystem *)0, Assoc, Variable, BddSubst );
   BddNode = substbddnodeassoc( (bddsystem *)0, BddSubst, 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)

[Include document man1/alc_bug_report.1]

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ASIM/LIP6 ADDBDDNODEASSOC (3) October 1, 1997

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