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getbddnodesupport

NAME

getbddnodesupport - gives the variable support of a bdd node.

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SYNOPSYS

 #include "bdd101.h"
 void *getbddnodesupport( BddSystem, BddNode, Mode )
   bddsystem *BddSystem;
   bddnode   *BddNode;
   int        Mode;
 

PARAMETERS

BddSystem

The bdd system.

BddNode

The bdd node.

Mode

The type of support.

DESCRIPTION

getbddnodesupport gives the support of the bdd node BddNode in the bdd system BddSystem. If a null pointer is given, the default bdd system is used. If Mode is BDD_SUPPORT_CHAIN the support is returned using chain_list else it is returned using ptype_list. The support must be freed using the freechain or freeptype functions.

RETURN VALUE

getablexprsupport returns a pointer to a chain_list or a ptype_list.

EXAMPLE

 #include "bdd101.h"
    bddsystem  *BddSystem;
    bddcircuit *BddCircuit;
    bddnode    *BddNode;
    chain_list *Expr;
    chain_list *Support;
    chain_list *ScanSupport;
    bddindex       Index;
    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 );
    Support = getablbddnodesupport( (bddsystem *0), BddNode, BDD_SUPPORT_CHAIN );
    for ( ScanSupport  = Support;
          ScanSupport != (chain_list *)0;
          ScanSupport  = ScanSupport->NEXT )
    {
      Index = (bddnode *)ScanSupport->INDEX;
      printf( "%s ", BddCircuit->NAME_IN[ Index - BDD_INDEX_MIN ] );
    }
    freechain( Support );
    destroybddsystem( (bddsystem *)0 );
    destroybddcircuit( (bddcircuit *)0 );
 

SEE ALSO

bdd(1)

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