| /* 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; |
| } |