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

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

  ~VBlockImpl() {}

  VBlockImpl(const VBlockImpl& block);
 
 private:
  VBlockImpl(VBlockImpl&& block) = delete;
  VBlockImpl& operator=(const VBlockImpl& block) = delete;
 
 public:
  Arccore::Integer sizeFromLocalIndex(Arccore::Integer index) const;

  Arccore::Integer offsetFromLocalIndex(Arccore::Integer index) const;

  Arccore::Integer offset(Arccore::Integer index) const;

  Arccore::ConstArrayView<Arccore::Integer> sizeOfLocalIndex() const;

  Arccore::ConstArrayView<Arccore::Integer> offsetOfLocalIndex() const;

  std::shared_ptr<VBlockImpl> clone() const;
 
 private:
  void compute(Arccore::Integer local_size, Arccore::Integer local_offset);
 
  struct Internal;
  std::shared_ptr<Internal> m_internal;
};
 
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} // namespace Alien
 
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