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to.hh
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// Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef MLN_CONVERT_TO_HH
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# define MLN_CONVERT_TO_HH
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# include <mln/core/routine/exact.hh>
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# include <mln/metal/equal.hh>
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# include <mln/trace/all.hh>
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# include <mln/convert/from_to.hh>
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# include <mln/convert/from_to.hxx>
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namespace
mln
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{
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namespace
convert
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{
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template
<
typename
T,
typename
O>
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T
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to
(
const
O& from);
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// This is no "Object" here to remain as general as possible. For
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// instance, the conversion "float -> glf" should occur.
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
T,
typename
O>
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inline
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T
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to
(
const
O& from)
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{
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// Technical note:
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// No trace should be produced by this routine since it can be
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// applied on large sets of data.
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mlc_equal(T,
mln_exact
(T))::check();
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mlc_equal(O,
mln_exact
(O))::check();
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T tmp;
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from_to(from, tmp);
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return
tmp;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::convert
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}
// end of namespace mln
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# include <mln/convert/from_to.hh>
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#endif // ! MLN_CONVERT_TO_HH
mln
convert
to.hh
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