Milena (Olena)
User documentation 2.0a Id
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00001 // Copyright (C) 2007, 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_CORE_GRIDS_HH 00027 # define MLN_CORE_GRIDS_HH 00028 00032 00033 # include <mln/core/concept/regular_grid.hh> 00034 # include <mln/core/def/coord.hh> 00035 # include <mln/metal/bool.hh> 00036 00037 00038 namespace mln 00039 { 00040 00042 namespace grid 00043 { 00044 00045 struct tick : public Regular_Grid< tick > 00046 { 00047 typedef metal::true_ aligned; 00048 enum { dim = 1 }; 00049 }; 00050 00051 struct square : public Regular_Grid< square > 00052 { 00053 typedef metal::true_ aligned; 00054 enum { dim = 2 }; 00055 }; 00056 00057 struct hexa : public Regular_Grid< hexa > 00058 { 00059 typedef metal::false_ aligned; 00060 enum { dim = 2 }; 00061 }; 00062 00063 struct cube : public Regular_Grid< cube > 00064 { 00065 typedef metal::true_ aligned; 00066 enum { dim = 3 }; 00067 }; 00068 00069 } // end of namespace mln::grid 00070 00071 00072 // Function: dim -> regular grid. 00073 00074 template <unsigned dim> struct regular_grid_from_dim_; 00075 00076 template <> struct regular_grid_from_dim_<1> { typedef grid::tick ret; }; 00077 template <> struct regular_grid_from_dim_<2> { typedef grid::square ret; }; 00078 template <> struct regular_grid_from_dim_<3> { typedef grid::cube ret; }; 00079 00080 } // end of namespace mln 00081 00082 00083 # define mln_regular_grid_from_dim(N) typename mln::regular_grid_from_dim_< N >::ret 00084 00085 00086 #endif // ! MLN_CORE_GRIDS_HH