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rAKA/src/fem/element_classes/element_class_point_1_inline_impl.cc
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element_class_point_1_inline_impl.cc
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/**
* @file element_class_point_1_inline_impl.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Fri May 2 09:09:21 2013
*
* @brief Specialization of the element_class class for the type _point_1
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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/>.
*
* @section DESCRIPTION
*
* @verbatim
x
(0)
@endverbatim
*
* @subsection shapes Shape functions
* @f{eqnarray*}{
* N1 &=& 1
* @f}
*
* @subsection quad_points Position of quadrature points
* @f{eqnarray*}{
* q_0 &=& 0
* @f}
*/
AKANTU_DEFINE_ELEMENT_CLASS_PROPERTY(_point_1,
_gt_point,
_itp_lagrange_point_1,
_ek_regular,
0,
_git_point,
1);
AKANTU_DEFINE_SHAPE(_gt_point, _gst_point);
/* -------------------------------------------------------------------------- */
template <>
template <class vector_type>
inline void
InterpolationElement<_itp_lagrange_point_1>::computeShapes(__attribute__ ((unused)) const vector_type & natural_coords,
vector_type & N) {
N(0) = 1; /// N1(q_0)
}
/* -------------------------------------------------------------------------- */
template <>
template <class vector_type, class matrix_type>
inline void
InterpolationElement<_itp_lagrange_point_1>::computeDNDS(__attribute__ ((unused)) const vector_type & natural_coords,
__attribute__ ((unused)) matrix_type & dnds) {}
/* -------------------------------------------------------------------------- */
template <>
inline void
InterpolationElement<_itp_lagrange_point_1>::computeSpecialJacobian(__attribute__ ((unused)) const Matrix<Real> & J,
Real & jac){
jac = 0.;
}
/* -------------------------------------------------------------------------- */
template<>
inline Real
GeometricalElement<_gt_point>::getInradius(const Matrix<Real> & coord) {
return 0.;
}
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