94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/* Test to strtod etc for numbers like x000...0000.000e-nn.
|
|
This file is part of the GNU C Library.
|
|
Copyright (C) 2001-2014 Free Software Foundation, Inc.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
|
|
|
|
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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
char buf[300];
|
|
int cnt;
|
|
int result = 0;
|
|
|
|
for (cnt = 0; cnt < 200; ++cnt)
|
|
{
|
|
ssize_t n;
|
|
float f;
|
|
|
|
n = sprintf (buf, "%d", cnt);
|
|
memset (buf + n, '0', cnt);
|
|
sprintf (buf + n + cnt, ".000e-%d", cnt);
|
|
f = strtof (buf, NULL);
|
|
|
|
if (f != (float) cnt)
|
|
{
|
|
printf ("strtof(\"%s\") failed for cnt == %d (%g instead of %g)\n",
|
|
buf, cnt, f, (float) cnt);
|
|
result = 1;
|
|
}
|
|
else
|
|
printf ("strtof() fine for cnt == %d\n", cnt);
|
|
}
|
|
|
|
for (cnt = 0; cnt < 200; ++cnt)
|
|
{
|
|
ssize_t n;
|
|
double f;
|
|
|
|
n = sprintf (buf, "%d", cnt);
|
|
memset (buf + n, '0', cnt);
|
|
sprintf (buf + n + cnt, ".000e-%d", cnt);
|
|
f = strtod (buf, NULL);
|
|
|
|
if (f != (double) cnt)
|
|
{
|
|
printf ("strtod(\"%s\") failed for cnt == %d (%g instead of %g)\n",
|
|
buf, cnt, f, (double) cnt);
|
|
result = 1;
|
|
}
|
|
else
|
|
printf ("strtod() fine for cnt == %d\n", cnt);
|
|
}
|
|
|
|
for (cnt = 0; cnt < 200; ++cnt)
|
|
{
|
|
ssize_t n;
|
|
long double f;
|
|
|
|
n = sprintf (buf, "%d", cnt);
|
|
memset (buf + n, '0', cnt);
|
|
sprintf (buf + n + cnt, ".000e-%d", cnt);
|
|
f = strtold (buf, NULL);
|
|
|
|
if (f != (long double) cnt)
|
|
{
|
|
printf ("strtold(\"%s\") failed for cnt == %d (%Lg instead of %Lg)\n",
|
|
buf, cnt, f, (long double) cnt);
|
|
result = 1;
|
|
}
|
|
else
|
|
printf ("strtold() fine for cnt == %d\n", cnt);
|
|
}
|
|
|
|
return result;
|
|
}
|