NullMatrix.cc

/*
 * 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
 */
 
#include "NullMatrix.h"
 
#include <alien/core/impl/MultiMatrixImpl.h>
#include <alien/utils/ICopyOnWriteObject.h>
 
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namespace Alien
{
 
using namespace Arccore;
 
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NullMatrix::NullMatrix()
: m_space(0)
{}
 
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void NullMatrix::visit(ICopyOnWriteMatrix& m ALIEN_UNUSED_PARAM) const
{
  throw FatalErrorException("NullMatrix can't be used in an expression");
}
 
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const MatrixDistribution&
NullMatrix::distribution() const
{
  return m_distribution;
}
 
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const Space&
NullMatrix::rowSpace() const
{
  return m_space;
}
 
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const Space&
NullMatrix::colSpace() const
{
  return m_space;
}
 
/*---------------------------------------------------------------------------*/
 
MultiMatrixImpl*
NullMatrix::impl()
{
  // throw FatalErrorException("NullMatrix impl can't be used");
  return nullptr;
}
 
/*---------------------------------------------------------------------------*/
 
const MultiMatrixImpl*
NullMatrix::impl() const
{
  // throw FatalErrorException("NullMatrix impl can't be used");
  return nullptr;
}
 
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} // namespace Alien
 
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