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Man Pages


Manual Reference Pages  -  ISBDDVARINSUPPORT (3)

NAME

isbddvarinsupport - tests if a variable appears in a bdd.

[Include document man1/alc_origin.1]

CONTENTS

Synopsys
Parameters
Description
Return Value
Errors
Example
See Also

SYNOPSYS






#include "bdd101.h"
int isbddvarinsupport( BddSystem, BddNode, Variable )
  bddsystem *BddSystem;
  bddnode   *BddNode;
  bddvar     Variable;


PARAMETERS

BddSystem The bdd system.
BddNode The bdd node.
Variable The variable number.

DESCRIPTION

isbddvarinsupport tests if the variable number Variable appears in the support of the bdd node BddNode, in the bdd system BddSystem. If a null pointer is given, the default bdd system is used.

RETURN VALUE

isbddvarinsupport returns 1 if Variable appears, 0 otherwise.

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    *BddVariable;
   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 );
   BddVariable = searchbddcircuitin( (bddcircuit *)0, "i0" );
   Variable = getbddvarbyindex( (bddsystem * 0), BddVariable->INDEX ) );
   /* displays 1 */
   printf( "%d", isbddvarinsupport( (bddsystem *)0, BddNode, Variable ) );
   destroybddsystem( (bddsystem *)0 );
   destroybddcircuit( (bddcircuit *)0 );


SEE ALSO

bdd(1)

[Include document man1/alc_bug_report.1]

Search for    or go to Top of page |  Section 3 |  Main Index


ASIM/LIP6 ISBDDVARINSUPPORT (3) October 1, 1997

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