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terms_to_assemble.hh
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Wed, Nov 13, 15:53

terms_to_assemble.hh
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/**
* @file terms_to_assemble.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Wed Nov 08 2017
*
* @brief List of terms to assemble to a matrix
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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 "aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <vector>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_TERMS_TO_ASSEMBLE_HH__
#define __AKANTU_TERMS_TO_ASSEMBLE_HH__
namespace akantu {
class TermsToAssemble {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
TermsToAssemble() = default;
virtual ~TermsToAssemble() = default;
class TermToAssemble {
public:
TermToAssemble(UInt i, UInt j) : _i(i), _j(j), val(0.) {}
inline TermToAssemble & operator=(Real val) {
this->val = val;
return *this;
}
inline TermToAssemble operator+=(Real val) {
this->val += val;
return *this;
}
inline operator Real() const { return val; }
inline UInt i() const { return _i; }
inline UInt j() const { return _j; }
private:
UInt _i, _j;
Real val;
};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
inline TermToAssemble & operator()(UInt i, UInt j) {
terms.emplace_back(i, j);
return terms.back();
}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
private:
using TermsContainer = std::vector<TermToAssemble>;
public:
using const_terms_iterator = TermsContainer::const_iterator;
const_terms_iterator begin() const { return terms.begin(); }
const_terms_iterator end() const { return terms.end(); }
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
TermsContainer terms;
};
} // namespace akantu
#endif /* __AKANTU_TERMS_TO_ASSEMBLE_HH__ */

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