Thyra_LinearOpBase.hpp

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// 
//    Thyra: Interfaces and Support for Abstract Numerical Algorithms
//                 Copyright (2004) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
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#ifndef THYRA_LINEAR_OP_BASE_HPP
#define THYRA_LINEAR_OP_BASE_HPP

#include "Thyra_LinearOpBaseDecl.hpp"
#include "Thyra_MultiVectorBase.hpp"
#include "Thyra_VectorSpaceBase.hpp"

namespace Thyra {

// Virtual functions with default implementations

template<class RangeScalar, class DomainScalar>
bool LinearOpBase<RangeScalar,DomainScalar>::applySupports(
  const EConj conj
  ) const
{
  return (
    Teuchos::ScalarTraits<RangeScalar>::isComplex ? conj==NONCONJ_ELE : true
    );
}

template<class RangeScalar, class DomainScalar>
bool LinearOpBase<RangeScalar,DomainScalar>::applyTransposeSupports(
  const EConj conj
  ) const
{
  return false;
}

template<class RangeScalar, class DomainScalar>
void LinearOpBase<RangeScalar,DomainScalar>::applyTranspose(
  const EConj conj,
  const MultiVectorBase<RangeScalar> &X,
  MultiVectorBase<DomainScalar> *Y,
  const DomainScalar alpha,
  const DomainScalar beta
  ) const
{
  const std::string
    &typeName = TypeNameTraits<LinearOpBase<RangeScalar,DomainScalar> >::name();
  TEST_FOR_EXCEPTION(
    true, std::logic_error,
    typeName << "::applyTranspose(...): " <<
    "Error, the concrete subclass described as { " << this->description() << " } "
    " with this->applyTransposeSupports("<<toString(conj)<<")="<<this->applyTransposeSupports(conj)
    << " did not override this function and does not support transposes."
    );
}

template<class RangeScalar, class DomainScalar>
RCP<const LinearOpBase<RangeScalar,DomainScalar> > 
LinearOpBase<RangeScalar,DomainScalar>::clone() const
{
  return Teuchos::null;
}

} // end namespace Thyra

#endif // THYRA_LINEAR_OP_BASE_HPP

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