Intrepid2_CubatureTensor.hpp

Go to the documentation of this file.

// @HEADER
// ************************************************************************
//
//                           Intrepid2 Package
//                 Copyright (2007) 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.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact Kyungjoo Kim  (kyukim@sandia.gov), or
//                    Mauro Perego  (mperego@sandia.gov)
//
// ************************************************************************
// @HEADER

#ifndef __INTREPID2_CUBATURE_TENSOR_HPP__
#define __INTREPID2_CUBATURE_TENSOR_HPP__

#include "Intrepid2_ConfigDefs.hpp"
#include "Intrepid2_Cubature.hpp"
#include "Intrepid2_CubatureDirect.hpp"

namespace Intrepid2 {

  template<typename ExecSpaceType = void,
           typename pointValueType = double,
           typename weightValueType = double>
  class CubatureTensor
    : public Cubature<ExecSpaceType,pointValueType,weightValueType> {
  private:

    ordinal_type numCubatures_;

    CubatureDirect<ExecSpaceType,pointValueType,weightValueType> cubatures_[Parameters::MaxDimension];

    ordinal_type dimension_;

  public:

    template<typename cubPointValueType,  class ...cubPointProperties,
             typename cubWeightValueType, class ...cubWeightProperties>
    void
    getCubatureImpl( Kokkos::DynRankView<cubPointValueType, cubPointProperties...>  cubPoints,
                     Kokkos::DynRankView<cubWeightValueType,cubWeightProperties...> cubWeights ) const;

    typedef typename Cubature<ExecSpaceType,pointValueType,weightValueType>::pointViewType  pointViewType;
    typedef typename Cubature<ExecSpaceType,pointValueType,weightValueType>::weightViewType weightViewType;

    using Cubature<ExecSpaceType,pointValueType,weightValueType>::getCubature;

    virtual
    void
    getCubature( pointViewType  cubPoints,
                 weightViewType cubWeights ) const {
      getCubatureImpl( cubPoints,
                       cubWeights );
    }

    virtual
    ordinal_type
    getNumPoints() const {
      ordinal_type numCubPoints = 1;
      for (ordinal_type i=0;i<numCubatures_;++i)
        numCubPoints *= cubatures_[i].getNumPoints();
      return numCubPoints;
    }

    virtual
    ordinal_type
    getDimension() const {
      return dimension_;
    }

    virtual
    const char*
    getName() const {
      return "CubatureTensor";
    }

    virtual
    ordinal_type 
    getAccuracy() const {
      ordinal_type r_val = 0;
      for (ordinal_type i=0;i<numCubatures_;++i)
        r_val = Util<ordinal_type>::max(r_val, cubatures_[i].getAccuracy());
      return r_val;
    }

    ordinal_type getNumCubatures() const {
      return numCubatures_;
    }

    void getAccuracy( ordinal_type *accuracy ) const {
      for (ordinal_type i=0;i<numCubatures_;++i)
        accuracy[i] = cubatures_[i].getAccuracy();
    }

    CubatureTensor() 
      : numCubatures_(0),
        dimension_(0) {}

    CubatureTensor(const CubatureTensor &b)
      : numCubatures_(b.numCubatures_),
        dimension_(b.dimension_) {
      for (ordinal_type i=0;i<numCubatures_;++i) 
        cubatures_[i] = b.cubatures_[i];
    }

    template<typename CubatureType0,
             typename CubatureType1>
    CubatureTensor( const CubatureType0 cubature0,
                    const CubatureType1 cubature1 )
      : numCubatures_(2),
        dimension_(cubature0.getDimension()+cubature1.getDimension()) {
      cubatures_[0] = cubature0;
      cubatures_[1] = cubature1;
    }

    template<typename CubatureType0,
             typename CubatureType1,
             typename CubatureType2>
    CubatureTensor( const CubatureType0 cubature0,
                    const CubatureType1 cubature1,
                    const CubatureType2 cubature2 ) 
      : numCubatures_(3),
        dimension_(cubature0.getDimension()+cubature1.getDimension()+cubature2.getDimension()) {
      cubatures_[0] = cubature0;
      cubatures_[1] = cubature1;
      cubatures_[2] = cubature2;
    }

  };


} // end namespace Intrepid2


// include templated definitions
#include <Intrepid2_CubatureTensorDef.hpp>

#endif