ChasteEllipsoid.cpp

00001 /*
00002 
00003 Copyright (C) University of Oxford, 2005-2011
00004 
00005 University of Oxford means the Chancellor, Masters and Scholars of the
00006 University of Oxford, having an administrative office at Wellington
00007 Square, Oxford OX1 2JD, UK.
00008 
00009 This file is part of Chaste.
00010 
00011 Chaste is free software: you can redistribute it and/or modify it
00012 under the terms of the GNU Lesser General Public License as published
00013 by the Free Software Foundation, either version 2.1 of the License, or
00014 (at your option) any later version.
00015 
00016 Chaste is distributed in the hope that it will be useful, but WITHOUT
00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00018 FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
00019 License for more details. The offer of Chaste under the terms of the
00020 License is subject to the License being interpreted in accordance with
00021 English Law and subject to any action against the University of Oxford
00022 being under the jurisdiction of the English Courts.
00023 
00024 You should have received a copy of the GNU Lesser General Public License
00025 along with Chaste. If not, see <http://www.gnu.org/licenses/>.
00026 
00027 */
00028 
00029 #include "ChasteEllipsoid.hpp"
00030 
00031 template <unsigned SPACE_DIM>
00032 ChasteEllipsoid<SPACE_DIM>::ChasteEllipsoid(ChastePoint<SPACE_DIM>& rCentre, ChastePoint<SPACE_DIM>& rRadii)
00033     : mCentre(rCentre),
00034       mRadii(rRadii)
00035 {
00036     for (unsigned dim=0; dim<SPACE_DIM; dim++)
00037     {
00038         if (mRadii[dim] < 0.0)
00039         {
00040             EXCEPTION("Attempted to create an ellipsoid with a negative radius");
00041         }
00042     }
00043 }
00044 
00049 template <>
00050 bool ChasteEllipsoid<1>::DoesContain(const ChastePoint<1>& rPointToCheck) const
00051 {
00052     if (rPointToCheck[0] < mCentre[0] - mRadii[0] - 100.0 * DBL_EPSILON ||
00053         rPointToCheck[0] > mCentre[0] + mRadii[0] + 100.0 * DBL_EPSILON )
00054     {
00055         return false;
00056     }
00057     else
00058     {
00059         return true;
00060     }
00061 }
00071 template <>
00072 bool ChasteEllipsoid<2>::DoesContain(const ChastePoint<2>& rPointToCheck) const
00073 {
00074     double x_distance = (rPointToCheck[0]-mCentre[0])/mRadii[0];
00075     double y_distance = (rPointToCheck[1]-mCentre[1])/mRadii[1];
00076     
00077     if ( (x_distance*x_distance + y_distance*y_distance) > (1.0 + 100.0 * DBL_EPSILON) )
00078     {
00079         return false;
00080     }
00081     else
00082     {
00083         return true;
00084     }
00085 }
00095 template <>
00096 bool ChasteEllipsoid<3>::DoesContain(const ChastePoint<3>& rPointToCheck) const
00097 {
00098     double x_distance = (rPointToCheck[0]-mCentre[0])/mRadii[0];
00099     double y_distance = (rPointToCheck[1]-mCentre[1])/mRadii[1];
00100     double z_distance = (rPointToCheck[2]-mCentre[2])/mRadii[2];
00101     
00102     if ( (x_distance*x_distance + y_distance*y_distance + z_distance*z_distance) > (1.0 + 100.0 * DBL_EPSILON) )
00103     {
00104         return false;
00105     }
00106     else
00107     {
00108         return true;
00109     }
00110 }
00116 template <unsigned SPACE_DIM>
00117 const ChastePoint<SPACE_DIM>& ChasteEllipsoid<SPACE_DIM>::rGetCentre() const
00118 {
00119     return mCentre;
00120 }
00121 
00122 template <unsigned SPACE_DIM>
00123 const ChastePoint<SPACE_DIM>& ChasteEllipsoid<SPACE_DIM>::rGetRadii() const
00124 {
00125     return mRadii;
00126 }
00127 
00128 
00130 // Explicit instantiation
00132 
00133 template class ChasteEllipsoid<1>;
00134 template class ChasteEllipsoid<2>;
00135 template class ChasteEllipsoid<3>;
00136 
00137 // Serialization for Boost >= 1.36
00138 #include "SerializationExportWrapperForCpp.hpp"
00139 EXPORT_TEMPLATE_CLASS_SAME_DIMS(ChasteEllipsoid)

Generated on Tue May 31 14:31:48 2011 for Chaste by  doxygen 1.5.5