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Man Pages


Manual Reference Pages  -  SUBSTBDDNODEASSOC (3)

NAME

substbddnodeassoc - substitutes a set of variables with a set of bdd node.

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Errors
Example
See Also

SYNOPSYS






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


PARAMETERS

BddSystem The bdd system.
BddNode The bdd node to treat.
BddAssoc The variable association.

DESCRIPTION

substbddnodeassoc substitutes in the bdd node BddNode all the variables associated to something in the variable association BddAssoc, with the corresponding bdd node, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

substbddnodeassoc returns the computed bdd node.

ERRORS

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

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 SUBSTBDDNODEASSOC (3) October 1, 1997

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