Mercurial > gnulib
view tests/test-ceil1.c @ 40167:c1aa6d1185ea
strtold: Add tests.
* tests/test-strtold.c: New file, based on tests/test-strtod.c.
* modules/strtold-tests: New file.
author | Bruno Haible <bruno@clisp.org> |
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date | Wed, 30 Jan 2019 03:53:43 +0100 |
parents | b06060465f09 |
children |
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/* Test of rounding towards positive infinity. Copyright (C) 2007-2019 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/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2007. */ #include <config.h> #include <math.h> #include "signature.h" SIGNATURE_CHECK (ceil, double, (double)); #include <float.h> #include "isnand-nolibm.h" #include "minus-zero.h" #include "infinity.h" #include "nan.h" #include "macros.h" int main () { /* Zero. */ ASSERT (ceil (0.0) == 0.0); ASSERT (ceil (minus_zerod) == 0.0); /* Positive numbers. */ ASSERT (ceil (0.3) == 1.0); ASSERT (ceil (0.7) == 1.0); ASSERT (ceil (1.0) == 1.0); ASSERT (ceil (1.001) == 2.0); ASSERT (ceil (1.5) == 2.0); ASSERT (ceil (1.999) == 2.0); ASSERT (ceil (2.0) == 2.0); ASSERT (ceil (65535.999) == 65536.0); ASSERT (ceil (65536.0) == 65536.0); ASSERT (ceil (2.341e31) == 2.341e31); /* Negative numbers. */ ASSERT (ceil (-0.3) == 0.0); ASSERT (ceil (-0.7) == 0.0); ASSERT (ceil (-1.0) == -1.0); ASSERT (ceil (-1.5) == -1.0); ASSERT (ceil (-1.999) == -1.0); ASSERT (ceil (-2.0) == -2.0); ASSERT (ceil (-65535.999) == -65535.0); ASSERT (ceil (-65536.0) == -65536.0); ASSERT (ceil (-2.341e31) == -2.341e31); /* Infinite numbers. */ ASSERT (ceil (Infinityd ()) == Infinityd ()); ASSERT (ceil (- Infinityd ()) == - Infinityd ()); /* NaNs. */ ASSERT (isnand (ceil (NaNd ()))); return 0; }