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floatings.cc
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// Copyright (C) 2010, 2011 EPITA Research and Development Laboratory
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// (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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#include <mln/value/ops.hh>
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#include <mln/value/builtin/floatings.hh>
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int
main()
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{
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// Checking sum value type name.
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mln_assertion(mln_trait_value_name(mln_sum_product_(
float
,
float
)) == std::string(
"float"
));
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mln_assertion(mln_trait_value_name(mln_sum_product_(
double
,
double
)) == std::string(
"double"
));
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// Make sure we return the minimum negative value but not the
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// minimum positive value.
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mln_assertion(mln_min(
float
) < 0.);
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mln_assertion(mln_min(
double
) < 0.);
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// Make sure the sum value type does not alter precision.
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{
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float
a = mln_max(
float
) / 3,
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b = mln_max(
float
) / 3;
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volatile
float
c = a + b;
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volatile
mln_sum_product_(
float
,
float
) d = a + b;
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mln_assertion(c == d);
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}
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{
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double
a = mln_max(
double
) / 3,
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b = mln_max(
double
) / 3;
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volatile
double
c = a + b;
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volatile
mln_sum_product_(
double
,
double
) d = a + b;
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mln_assertion(c == d);
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}
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}
tests
value
builtin
floatings.cc
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