SundanceProductTransformationSequence.hpp

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#ifndef SUNDANCE_PRODUCTTRANSFORMATIONSEQUENCE_H
#define SUNDANCE_PRODUCTTRANSFORMATIONSEQUENCE_H

#include "SundanceDefs.hpp"
#include "SundanceProductTransformation.hpp"
#include "Teuchos_Array.hpp"

namespace Sundance
{
using namespace Sundance;
using namespace Teuchos;




/** 
 * ProductTransformationSequence is a sequence of transformations
 * to be applied to a product, producing a transformed expression. 
 */
class ProductTransformationSequence : public ProductTransformation,
                                      public Array<RCP<ProductTransformation> >
{
public:
  /** */
  ProductTransformationSequence();

  /** */
  virtual ~ProductTransformationSequence(){;}

  /**
   * Test whether the transform is applicable in this case,
   * and if it is, apply it. The return value is true is the
   * transformation was applied, otherwise false. 
   * Returns by non-const reference
   * the transformed expression. 
   *
   * For ProductTransformationSequence, this is implemented by
   * trying to apply all transformations in sequence. If one
   * succeeds, we exit immediately with true.
   */
  virtual bool doTransform(const RCP<ScalarExpr>& left, 
    const RCP<ScalarExpr>& right,
    RCP<ScalarExpr>& rtn) const ;

        
};
}

#endif