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ref_node_dd.hh
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Sun, Oct 13, 08:05

ref_node_dd.hh
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/**
* @file ref_node_dd.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Till Junge <till.junge@epfl.ch>
* @author Max Hodapp <max.hodapp@epfl.ch>
* @author Jaehyun Cho <jaehyun.cho@epfl.ch>
*
* @date Fri Nov 15 14:49:04 2013
*
* @brief Generic reference to DD nodes
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __LIBMULTISCALE_REF_NODE_DD_HH__
#define __LIBMULTISCALE_REF_NODE_DD_HH__
/* ----------------------------------------------------------------- */
#include "ref_point.hh"
/* ----------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* ----------------------------------------------------------------- */
template <UInt Dim, typename DaughterClass> class RefDDNode;
/* ----------------------------------------------------------------- */
template <FieldType ftype> struct field_getter {
template <typename Ref> static Real *get(Ref &&ref) {
LM_FATAL("cannot get this field: " << ftype);
return nullptr;
};
};
#define DECLARE_FIELD_GETTER(_field) \
template <> struct field_getter<_##_field> { \
template <typename Ref> static auto get(Ref &&ref) { \
return ref._field(); \
}; \
};
DECLARE_FIELD_GETTER(position);
DECLARE_FIELD_GETTER(position0);
DECLARE_FIELD_GETTER(force);
#undef DECLARE_FIELD_GETTER
/* ----------------------------------------------------------------- */
template <typename Ref, FieldType ftype> class AccessorDDNodalDof {
public:
using TensorType = decltype(field_getter<ftype>::get(Ref()));
AccessorDDNodalDof(Ref &nd) : field(field_getter<ftype>::get(nd)){};
template <typename T> inline TensorType &operator=(const T &val) {
field = val;
return field;
}
template <typename T> inline T operator=(const T val[]) {
field = Eigen::Map<TensorType>(val);
return field;
}
template <typename T> inline T operator+=(const T &val) {
field += val;
return field;
}
inline Real &operator[](UInt index) { return field[index]; }
UInt size() { return Ref::Dim; }
private:
TensorType field;
};
/* ---------------------------------------------------------------------- */
/**
* Class RefDDNode
*
*/
template <UInt Dim, typename DaughterClass>
class RefDDNode : public RefPoint<Dim> {
public:
static constexpr UInt dim = Dim;
virtual ~RefDDNode(){};
RefDDNode(){};
#define declare_accessor(_name) \
auto _name() { return static_cast<DaughterClass *>(this)->_name(); }
declare_accessor(position0);
declare_accessor(position);
declare_accessor(force);
#undef declare_accessor
template <FieldType ftype>
AccessorDDNodalDof<RefDDNode<Dim, DaughterClass>, ftype> field() {
AccessorDDNodalDof<RefDDNode<Dim, DaughterClass>, ftype> acc(*this);
return acc;
}
};
/* ------------------------------------------------------------------------ */
__END_LIBMULTISCALE__
#endif /* __LIBMULTISCALE_REF_NODE_DD_HH__ */

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