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* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* Test of rounding towards zero.
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Copyright (C) 2007-2017 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include <math.h>
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#include "signature.h"
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SIGNATURE_CHECK (truncf, float, (float));
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#include "isnanf-nolibm.h"
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#include "minus-zero.h"
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#include "infinity.h"
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#include "nan.h"
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#include "macros.h"
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int
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main ()
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{
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/* Zero. */
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ASSERT (truncf (0.0f) == 0.0f);
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ASSERT (truncf (minus_zerof) == 0.0f);
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/* Positive numbers. */
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ASSERT (truncf (0.3f) == 0.0f);
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ASSERT (truncf (0.7f) == 0.0f);
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ASSERT (truncf (1.0f) == 1.0f);
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ASSERT (truncf (1.5f) == 1.0f);
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ASSERT (truncf (1.999f) == 1.0f);
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ASSERT (truncf (2.0f) == 2.0f);
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ASSERT (truncf (65535.99f) == 65535.0f);
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ASSERT (truncf (65536.0f) == 65536.0f);
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ASSERT (truncf (2.341e31f) == 2.341e31f);
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/* Negative numbers. */
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ASSERT (truncf (-0.3f) == 0.0f);
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ASSERT (truncf (-0.7f) == 0.0f);
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ASSERT (truncf (-1.0f) == -1.0f);
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ASSERT (truncf (-1.5f) == -1.0f);
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ASSERT (truncf (-1.999f) == -1.0f);
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ASSERT (truncf (-2.0f) == -2.0f);
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ASSERT (truncf (-65535.99f) == -65535.0f);
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ASSERT (truncf (-65536.0f) == -65536.0f);
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ASSERT (truncf (-2.341e31f) == -2.341e31f);
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/* Infinite numbers. */
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ASSERT (truncf (Infinityf ()) == Infinityf ());
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ASSERT (truncf (- Infinityf ()) == - Infinityf ());
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/* NaNs. */
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ASSERT (isnanf (truncf (NaNf ())));
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return 0;
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}
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