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5bfcc4d1 UD |
1 | /* Test to strtod etc for numbers like x000...0000.000e-nn. |
2 | This file is part of the GNU C Library. | |
f7a9f785 | 3 | Copyright (C) 2001-2016 Free Software Foundation, Inc. |
5bfcc4d1 UD |
4 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2001. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
5bfcc4d1 UD |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
5bfcc4d1 | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
5bfcc4d1 UD |
19 | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | ||
24 | ||
25 | int | |
26 | main (void) | |
27 | { | |
28 | char buf[300]; | |
29 | int cnt; | |
30 | int result = 0; | |
31 | ||
32 | for (cnt = 0; cnt < 200; ++cnt) | |
33 | { | |
34 | ssize_t n; | |
35 | float f; | |
36 | ||
37 | n = sprintf (buf, "%d", cnt); | |
38 | memset (buf + n, '0', cnt); | |
39 | sprintf (buf + n + cnt, ".000e-%d", cnt); | |
40 | f = strtof (buf, NULL); | |
41 | ||
42 | if (f != (float) cnt) | |
43 | { | |
44 | printf ("strtof(\"%s\") failed for cnt == %d (%g instead of %g)\n", | |
45 | buf, cnt, f, (float) cnt); | |
46 | result = 1; | |
47 | } | |
48 | else | |
49 | printf ("strtof() fine for cnt == %d\n", cnt); | |
50 | } | |
51 | ||
52 | for (cnt = 0; cnt < 200; ++cnt) | |
53 | { | |
54 | ssize_t n; | |
55 | double f; | |
56 | ||
57 | n = sprintf (buf, "%d", cnt); | |
58 | memset (buf + n, '0', cnt); | |
59 | sprintf (buf + n + cnt, ".000e-%d", cnt); | |
60 | f = strtod (buf, NULL); | |
61 | ||
62 | if (f != (double) cnt) | |
63 | { | |
64 | printf ("strtod(\"%s\") failed for cnt == %d (%g instead of %g)\n", | |
65 | buf, cnt, f, (double) cnt); | |
66 | result = 1; | |
67 | } | |
68 | else | |
69 | printf ("strtod() fine for cnt == %d\n", cnt); | |
70 | } | |
71 | ||
72 | for (cnt = 0; cnt < 200; ++cnt) | |
73 | { | |
74 | ssize_t n; | |
75 | long double f; | |
76 | ||
77 | n = sprintf (buf, "%d", cnt); | |
78 | memset (buf + n, '0', cnt); | |
79 | sprintf (buf + n + cnt, ".000e-%d", cnt); | |
80 | f = strtold (buf, NULL); | |
81 | ||
82 | if (f != (long double) cnt) | |
83 | { | |
84 | printf ("strtold(\"%s\") failed for cnt == %d (%Lg instead of %Lg)\n", | |
85 | buf, cnt, f, (long double) cnt); | |
86 | result = 1; | |
87 | } | |
88 | else | |
89 | printf ("strtold() fine for cnt == %d\n", cnt); | |
90 | } | |
91 | ||
92 | return result; | |
93 | } |