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73 lines
3.1 KiB
C
73 lines
3.1 KiB
C
/* Test of ldexp*() function family.
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Copyright (C) 2012-2017 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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static void
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test_function (void)
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{
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/* [MX] shaded specification in POSIX. */
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/* NaN. */
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ASSERT (ISNAN (FMA (NAN, L_(3.0), L_(5.0))));
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ASSERT (ISNAN (FMA (NAN, L_(0.0), L_(5.0))));
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ASSERT (ISNAN (FMA (L_(2.0), NAN, L_(5.0))));
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ASSERT (ISNAN (FMA (L_(0.0), NAN, L_(5.0))));
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ASSERT (ISNAN (FMA (NAN, NAN, L_(5.0))));
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ASSERT (ISNAN (FMA (NAN, L_(3.0), NAN)));
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ASSERT (ISNAN (FMA (NAN, L_(0.0), NAN)));
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ASSERT (ISNAN (FMA (L_(2.0), NAN, NAN)));
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ASSERT (ISNAN (FMA (L_(0.0), NAN, NAN)));
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ASSERT (ISNAN (FMA (NAN, NAN, NAN)));
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/* Infinity. */
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ASSERT (ISNAN (FMA (INFINITY, L_(2.0), - INFINITY)));
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ASSERT (ISNAN (FMA (INFINITY, - L_(2.0), INFINITY)));
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ASSERT (ISNAN (FMA (- INFINITY, L_(2.0), INFINITY)));
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ASSERT (ISNAN (FMA (- INFINITY, - L_(2.0), - INFINITY)));
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ASSERT (ISNAN (FMA (L_(2.0), INFINITY, - INFINITY)));
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ASSERT (ISNAN (FMA (L_(2.0), - INFINITY, INFINITY)));
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ASSERT (ISNAN (FMA (- L_(2.0), INFINITY, INFINITY)));
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ASSERT (ISNAN (FMA (- L_(2.0), - INFINITY, - INFINITY)));
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ASSERT (FMA (INFINITY, L_(2.0), INFINITY) == INFINITY);
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ASSERT (FMA (INFINITY, - L_(2.0), - INFINITY) == - INFINITY);
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ASSERT (FMA (- INFINITY, L_(2.0), - INFINITY) == - INFINITY);
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ASSERT (FMA (- INFINITY, - L_(2.0), INFINITY) == INFINITY);
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ASSERT (FMA (L_(2.0), INFINITY, INFINITY) == INFINITY);
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ASSERT (FMA (L_(2.0), - INFINITY, - INFINITY) == - INFINITY);
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ASSERT (FMA (- L_(2.0), INFINITY, - INFINITY) == - INFINITY);
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ASSERT (FMA (- L_(2.0), - INFINITY, INFINITY) == INFINITY);
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/* Infinity times zero is NaN. */
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ASSERT (ISNAN (FMA (INFINITY, L_(0.0), L_(7.0))));
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ASSERT (ISNAN (FMA (INFINITY, L_(0.0), INFINITY)));
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ASSERT (ISNAN (FMA (INFINITY, L_(0.0), NAN)));
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ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), L_(7.0))));
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ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), INFINITY)));
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ASSERT (ISNAN (FMA (- INFINITY, L_(0.0), NAN)));
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ASSERT (ISNAN (FMA (L_(0.0), INFINITY, L_(7.0))));
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ASSERT (ISNAN (FMA (L_(0.0), INFINITY, INFINITY)));
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ASSERT (ISNAN (FMA (L_(0.0), INFINITY, NAN)));
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ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, L_(7.0))));
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ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, INFINITY)));
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ASSERT (ISNAN (FMA (L_(0.0), - INFINITY, NAN)));
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/* NaN in the z argument. */
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ASSERT (ISNAN (FMA (L_(2.0), L_(3.0), NAN)));
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ASSERT (ISNAN (FMA (L_(2.0), INFINITY, NAN)));
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ASSERT (ISNAN (FMA (INFINITY, L_(3.0), NAN)));
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ASSERT (ISNAN (FMA (INFINITY, INFINITY, NAN)));
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}
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