aclReductionAlgGenerator.h

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/*
 * Advanced Simulation Library <http://asl.org.il>
 * 
 * Copyright 2015 Avtech Scientific <http://avtechscientific.com>
 *
 *
 * This file is part of Advanced Simulation Library (ASL).
 *
 * ASL is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3 of the License.
 *
 * ASL is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with ASL. If not, see <http://www.gnu.org/licenses/>.
 *
 */
 
 
#ifndef ACLREDUCTIONALGGENERATUR_H
#define ACLREDUCTIONALGGENERATUR_H
 
#include "aclVectorOfElementsDef.h"
#include <math/aslVectors.h>
#include <utilities/aslUValue.h>
 
 
namespace acl
{
  class Kernel;
  enum ReductionOperatorType {ROT_SUM, ROT_PRODUCT, ROT_MINIMUM, ROT_MAXIMUM};
    

  template <typename ResType, enum ReductionOperatorType Op> class ReductionAlgGenerator
  {
    private:
      VectorOfElements ve;
      unsigned int nGroups;
      unsigned int nLocal;
    public:
        asl::UValue<asl::AVec<ResType>> res;
    private:
      std::vector<std::vector<ResType>> groupRes;
      VectorOfElementsData groupResACL;
 
      shared_ptr<Kernel> kernel;
      
    public: 
      ReductionAlgGenerator(VectorOfElements v);
      void compute(); 
      void generateAlg(Kernel & k);
      void generateAlg();
  };
 
  template <typename ResType> std::shared_ptr<ReductionAlgGenerator<ResType, ROT_SUM>> 
    generateSumAlg(VectorOfElements v);
 
  template <typename ResType> std::shared_ptr<ReductionAlgGenerator<ResType, ROT_MINIMUM>> 
    generateMinAlg(VectorOfElements v);
 
  template <typename ResType> std::shared_ptr<ReductionAlgGenerator<ResType, ROT_MAXIMUM>> 
    generateMaxAlg(VectorOfElements v);
 
  template <typename ResType> std::shared_ptr<ReductionAlgGenerator<ResType, ROT_PRODUCT>> 
    generateProductAlg(VectorOfElements v);
  
 
}  //namespace acl
 
#endif // ACLREDUCTIONALGGENERATUR_H