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gnulib/tests/test-hypot-ieee.h
Bruno Haible d9efe752cb Tests for module 'hypotf-ieee'.
* modules/hypotf-ieee-tests: New file.
* tests/test-hypotf-ieee.c: New file.
* tests/test-hypot-ieee.h: New file.
2012-02-29 20:51:39 +01:00

44 lines
1.6 KiB
C

/* Test of hypot*() function family.
Copyright (C) 2012 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
static void
test_function (void)
{
/* [MX] shaded specification in POSIX. */
/* Infinity. */
ASSERT (HYPOT (INFINITY, L_(2.0)) == INFINITY);
ASSERT (HYPOT (- INFINITY, L_(2.0)) == INFINITY);
ASSERT (HYPOT (INFINITY, - L_(2.0)) == INFINITY);
ASSERT (HYPOT (- INFINITY, - L_(2.0)) == INFINITY);
ASSERT (HYPOT (L_(2.0), INFINITY) == INFINITY);
ASSERT (HYPOT (L_(2.0), - INFINITY) == INFINITY);
ASSERT (HYPOT (- L_(2.0), INFINITY) == INFINITY);
ASSERT (HYPOT (- L_(2.0), - INFINITY) == INFINITY);
/* Mixed Infinity and NaN. */
ASSERT (HYPOT (INFINITY, NAN) == INFINITY);
ASSERT (HYPOT (- INFINITY, NAN) == INFINITY);
ASSERT (HYPOT (NAN, INFINITY) == INFINITY);
ASSERT (HYPOT (NAN, - INFINITY) == INFINITY);
/* NaN. */
ASSERT (ISNAN (HYPOT (NAN, L_(2.0))));
ASSERT (ISNAN (HYPOT (NAN, - L_(2.0))));
ASSERT (ISNAN (HYPOT (L_(2.0), NAN)));
ASSERT (ISNAN (HYPOT (- L_(2.0), NAN)));
}