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 #include <cmath> 00027 #include <mln/win/disk2d.hh> 00028 00029 00030 int main() 00031 { 00032 using namespace mln; 00033 00034 const unsigned l = 55; 00035 const unsigned l2 = 27 * 27; 00036 win::disk2d disk(l); 00037 00038 mln_assertion(disk.delta() == 27); 00039 00040 for (def::coord x = -30; x <= 30; ++x) 00041 for (def::coord y = -30; y <= 30; ++y) 00042 { 00043 mln_assertion((std::abs(x) <= 27 && std::abs(y) <= 27) || 00044 ! disk.has(dpoint2d(y, x))); 00045 mln_assertion(((x * x + y * y) <= static_cast<int>(l2)) == disk.has(dpoint2d(x, y)) || 00046 std::abs(x) > 27 || 00047 std::abs(y) > 27); 00048 } 00049 }