Mercurial > gnulib
view tests/test-rint.h @ 40196:e63f5d3edab5
relocatable-prog: Update documentation.
* doc/relocatable-maint.texi (Supporting Relocation): Update to match
the recent changes.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sun, 24 Feb 2019 01:49:15 +0100 |
parents | b06060465f09 |
children |
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/* Test of rint*() function family. Copyright (C) 2012-2019 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 <https://www.gnu.org/licenses/>. */ static void test_function (void) { /* Infinite numbers. */ ASSERT (RINT (INFINITY) == INFINITY); ASSERT (RINT (- INFINITY) == - INFINITY); /* NaNs. */ ASSERT (ISNAN (RINT (NAN))); /* Randomized tests. */ { int i; for (i = 0; i < SIZEOF (RANDOM); i++) { DOUBLE x; x = L_(0.5) * RANDOM[i]; ASSERT (RINT (x) == L_(0.0)); x = - x; ASSERT (RINT (x) == L_(0.0)); x = L_(1.0) - L_(0.5) * RANDOM[i]; ASSERT (RINT (x) == L_(1.0)); x = - x; ASSERT (RINT (x) == - L_(1.0)); x = L_(1.0) + L_(0.5) * RANDOM[i]; ASSERT (RINT (x) == L_(1.0)); x = - x; ASSERT (RINT (x) == - L_(1.0)); x = L_(2.0) - L_(0.5) * RANDOM[i]; ASSERT (RINT (x) == L_(2.0)); x = - x; ASSERT (RINT (x) == - L_(2.0)); } } }