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_TEST_POSITIVE_HH 00027 # define MLN_TEST_POSITIVE_HH 00028 00032 00033 # include <mln/test/predicate.hh> 00034 # include <mln/pw/all.hh> 00035 # include <mln/fun/v2v/id.hh> 00036 # include <mln/literal/zero.hh> 00037 00038 00039 namespace mln 00040 { 00041 00042 namespace test 00043 { 00044 00046 template <typename I> 00047 bool positive(const Image<I>& input); 00048 00049 00050 # ifndef MLN_INCLUDE_ONLY 00051 00052 template <typename I> 00053 inline 00054 bool positive(const Image<I>& input_) 00055 { 00056 trace::entering("test::positive"); 00057 00058 const I& input = exact(input_); 00059 mln_precondition(input.is_valid()); 00060 // FIXME: Below the '>=' op should properly work with signed/unsigned without 00061 // FIXME: warnings; so we really need to overload ops for functions when literals 00062 // FIXME: are involved. 00063 mln_value(I) zero_ = literal::zero; 00064 bool res = test::predicate(input.domain(), 00065 pw::value(input) >= pw::cst(zero_)); 00066 // FIXME: test the version below. 00067 // return test::predicate(input, 00068 // fun::v2v::id<mln_value(I)>() >= pw::cst(0)); 00069 00070 trace::exiting("test::positive"); 00071 return res; 00072 } 00073 00074 # endif // ! MLN_INCLUDE_ONLY 00075 00076 } // end of namespace mln::test 00077 00078 } // end of namespace mln 00079 00080 00081 #endif // ! MLN_TEST_POSITIVE_HH
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