SundanceLabelCellPredicate.hpp

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//                              Sundance
//                 Copyright (2005) Sandia Corporation
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#ifndef SUNDANCE_LABELCELLPREDICATE_H
#define SUNDANCE_LABELCELLPREDICATE_H

#include "SundanceDefs.hpp"
#include "SundanceCellPredicateBase.hpp"
#include "SundanceSet.hpp"
#include "Teuchos_Array.hpp"

namespace Sundance
{
using namespace Teuchos;
  
/** 
 * LabelCellPredicate tests whether a cell's label is equal to
 * a reference label. 
 */
class LabelCellPredicate : public CellPredicateBase 
{
public:
  /** Construct with an integer label */
  LabelCellPredicate(int label) 
    : CellPredicateBase(), labelIndices_(makeSet(label)){;}
  /** Construct with an array of labels */
  LabelCellPredicate(const Array<int>& labels) 
    : CellPredicateBase(), labelIndices_(makeSet(labels)){;}
  /** Construct with a set of labels */
  LabelCellPredicate(const Set<int>& labels) 
    : CellPredicateBase(), labelIndices_(labels){;}

  /** virtual dtor */
  virtual ~LabelCellPredicate(){;}
      
  /** Test the predicate on a batch of cells */
  virtual void testBatch(const Array<int>& cellLID,
    Array<int>& results) const ;

  /** Write to XML */
  virtual XMLObject toXML() const ;

  /** comparison */
  virtual bool lessThan(const CellPredicateBase* other) const ;

  /** */
  virtual std::string description() const 
    {return "Label(" + labelIndices_.toString() + ")";}

  /* */
  GET_RCP(CellPredicateBase);

private:

  Set<int> labelIndices_;

};

}

#endif