VBlockSizes.h

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/*
 * Copyright 2020 IFPEN-CEA
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

 
#pragma once
 
#include <alien/core/block/VBlock.h>
#include <alien/distribution/MatrixDistribution.h>
#include <alien/distribution/VectorDistribution.h>
#include <alien/utils/Precomp.h>
 
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namespace Alien
{
 
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class ALIEN_EXPORT VBlockSizes final
{
 public:
  VBlockSizes(const VBlock& block, const VectorDistribution& dist);

  VBlockSizes(const VBlock& block, const MatrixDistribution& dist);

  ~VBlockSizes() {}
 
 private:
  VBlockSizes(VBlockSizes&& block) = delete;
  VBlockSizes& operator=(const VBlockSizes& block) = delete;
 
 public:
  Arccore::Integer localSize() const;

  Arccore::Integer globalSize() const;

  Arccore::Integer offset() const;

  // FIXME: not implemented yet !
  std::shared_ptr<VBlockSizes> clone() const;
 
 private:
  void compute(const VBlock::ValuePerBlock& all_blocks_sizes, Arccore::Integer local_size,
               Arccore::Integer local_offset,
               Arccore::MessagePassing::IMessagePassingMng* parallel_mng);

  Arccore::Integer m_local_scalarized_size;
  Arccore::Integer m_global_scalarized_size;
  Arccore::Integer m_scalarized_offset;
};
 
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} // namespace Alien
 
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