51 lines
1.6 KiB
C
51 lines
1.6 KiB
C
/* Test strtod functions handle signs of NaNs (bug 23007).
|
|
Copyright (C) 2018-2022 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>
|