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- /* Test strtod functions handle signs of NaNs (bug 23007).
- Copyright (C) 2018-2019 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- #include <math.h>
- #include <stdlib.h>
- #include <wchar.h>
- #include <stdlib/tst-strtod.h>
- #include <support/check.h>
- #define CONCAT_(X, Y) X ## Y
- #define CONCAT(X, Y) CONCAT_ (X, Y)
- #define FNX(FN) CONCAT (FNPFX, FN)
- #define TEST_STRTOD(FSUF, FTYPE, FTOSTR, LSUF, CSUF) \
- static int \
- test_strto ## FSUF (void) \
- { \
- FTYPE val_pos = FNX (FSUF) (L_("nan"), NULL); \
- FTYPE copy_pos = copysign ## CSUF (1, val_pos); \
- TEST_VERIFY (isnan (val_pos) && copy_pos == 1); \
- FTYPE val_neg = FNX (FSUF) (L_("-nan"), NULL); \
- FTYPE copy_neg = copysign ## CSUF (1, val_neg); \
- TEST_VERIFY (isnan (val_neg) && copy_neg == -1); \
- return 0; \
- }
- GEN_TEST_STRTOD_FOREACH (TEST_STRTOD)
- static int
- do_test (void)
- {
- return STRTOD_TEST_FOREACH (test_strto);
- }
- #include <support/test-driver.c>
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