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/* Test strtod functions handle signs of NaNs (bug 23007).
Copyright (C) 2018-2024 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
<https://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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