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test_data_accessor.hh
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/**
* @file test_data_accessor.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Thu Apr 11 2013
* @date last modification: Fri Jan 26 2018
*
* @brief Data Accessor class for testing
*
*
* Copyright (©) 2014-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "data_accessor.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#include <gtest/gtest.h>
/* -------------------------------------------------------------------------- */
using namespace akantu;
/* -------------------------------------------------------------------------- */
class TestAccessor : public DataAccessor<Element> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
inline TestAccessor(const Mesh & mesh,
const ElementTypeMapArray<Real> & barycenters);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Barycenter, barycenters, Real);
/* ------------------------------------------------------------------------ */
/* Ghost Synchronizer inherited members */
/* ------------------------------------------------------------------------ */
protected:
inline UInt getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const;
inline void packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const;
inline void unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
const ElementTypeMapArray<Real> & barycenters;
const Mesh & mesh;
};
/* -------------------------------------------------------------------------- */
/* TestSynchronizer implementation */
/* -------------------------------------------------------------------------- */
inline TestAccessor::TestAccessor(const Mesh & mesh,
const ElementTypeMapArray<Real> & barycenters)
: barycenters(barycenters), mesh(mesh) {}
inline UInt TestAccessor::getNbData(const Array<Element> & elements,
const SynchronizationTag &) const {
if (elements.size())
// return Mesh::getSpatialDimension(elements(0).type) * sizeof(Real) *
// elements.size();
return mesh.getSpatialDimension() * sizeof(Real) * elements.size();
else
return 0;
}
inline void TestAccessor::packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag &) const {
UInt spatial_dimension = mesh.getSpatialDimension();
Array<Element>::const_iterator<Element> bit = elements.begin();
Array<Element>::const_iterator<Element> bend = elements.end();
for (; bit != bend; ++bit) {
const Element & element = *bit;
Vector<Real> bary(
this->barycenters(element.type, element.ghost_type).storage() +
element.element * spatial_dimension,
spatial_dimension);
buffer << bary;
}
}
inline void TestAccessor::unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag &) {
UInt spatial_dimension = mesh.getSpatialDimension();
for (const auto & element : elements) {
Vector<Real> barycenter_loc(
this->barycenters(element.type, element.ghost_type).storage() +
element.element * spatial_dimension,
spatial_dimension);
Vector<Real> bary(spatial_dimension);
buffer >> bary;
auto dist = (barycenter_loc - bary).template norm<L_inf>();
EXPECT_NEAR(0, dist, 1e-15);
}
}

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