blob: 4f937c5c7273578f1f5d70c7939cbe52fa22c1f4 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
/* Test for correct rounding of negative floating-point numbers by scanf
(bug 23280).
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 <fenv.h>
#include <stdio.h>
#include <stdlib.h>
#include <support/check.h>
static int
do_test (void)
{
#ifdef FE_DOWNWARD
if (fesetround (FE_DOWNWARD) == 0)
{
double a = strtod ("-0.1", NULL);
double b = 0;
int r = sscanf ("-0.1", "%lf", &b);
TEST_VERIFY (r == 1);
TEST_VERIFY (a == b);
}
#endif
#ifdef FE_UPWARD
if (fesetround (FE_UPWARD) == 0)
{
double a = strtod ("-0.1", NULL);
double b = 0;
int r = sscanf ("-0.1", "%lf", &b);
TEST_VERIFY (r == 1);
TEST_VERIFY (a == b);
}
#endif
return 0;
}
#include <support/test-driver.c>
|
