t-locale.c
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上传日期:2022-08-06
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- /* Test locale support, or attempt to do so.
- Copyright 2001, 2002 Free Software Foundation, Inc.
- This file is part of the GNU MP Library.
- The GNU MP 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 3 of the License, or (at your
- option) any later version.
- The GNU MP 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 MP Library. If not, see http://www.gnu.org/licenses/. */
- #define _GNU_SOURCE /* for DECIMAL_POINT in glibc langinfo.h */
- #include "config.h"
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #if HAVE_NL_TYPES_H
- #include <nl_types.h> /* for nl_item (on netbsd 1.4.1 at least) */
- #endif
- #if HAVE_LANGINFO_H
- #include <langinfo.h> /* for nl_langinfo */
- #endif
- #if HAVE_LOCALE_H
- #include <locale.h> /* for lconv */
- #endif
- #include "gmp.h"
- #include "gmp-impl.h"
- #include "tests.h"
- char *decimal_point;
- /* Replace the libc localeconv with one we can manipulate. */
- #if HAVE_LOCALECONV
- struct lconv *
- localeconv (void)
- {
- static struct lconv l;
- l.decimal_point = decimal_point;
- return &l;
- }
- #endif
- /* Replace the libc nl_langinfo with one we can manipulate. */
- #if HAVE_NL_LANGINFO
- char *
- nl_langinfo (nl_item n)
- {
- #if defined (DECIMAL_POINT)
- if (n == DECIMAL_POINT)
- return decimal_point;
- #endif
- #if defined (RADIXCHAR)
- if (n == RADIXCHAR)
- return decimal_point;
- #endif
- return "";
- }
- #endif
- void
- check_input (void)
- {
- static char *point[] = {
- ".", ",", "WU", "STR", "ZTV***"
- };
- static const struct {
- const char *str;
- double d;
- } data[] = {
- { "1%s", 1.0 },
- { "1%s0", 1.0 },
- { "1%s00", 1.0 },
- { "%s5", 0.5 },
- { "0%s5", 0.5 },
- { "00%s5", 0.5 },
- { "00%s50", 0.5 },
- { "1%s5", 1.5 },
- { "1%s5e1", 15.0 },
- };
- int i, j, neg, ret;
- char str[128];
- mpf_t f;
- double d;
- mpf_init (f);
- for (i = 0; i < numberof (point); i++)
- {
- decimal_point = point[i];
- for (neg = 0; neg <= 1; neg++)
- {
- for (j = 0; j < numberof (data); j++)
- {
- strcpy (str, neg ? "-" : "");
- sprintf (str+strlen(str), data[j].str, decimal_point);
- d = data[j].d;
- if (neg)
- d = -d;
- mpf_set_d (f, 123.0);
- if (mpf_set_str (f, str, 10) != 0)
- {
- printf ("mpf_set_str errorn");
- printf (" point %sn", decimal_point);
- printf (" str %sn", str);
- abort ();
- }
- if (mpf_cmp_d (f, d) != 0)
- {
- printf ("mpf_set_str wrong resultn");
- printf (" point %sn", decimal_point);
- printf (" str %sn", str);
- mpf_trace (" f", f);
- printf (" d=%gn", d);
- abort ();
- }
- mpf_set_d (f, 123.0);
- ret = gmp_sscanf (str, "%Ff", f);
- if (ret != 1)
- {
- printf ("gmp_sscanf wrong return valuen");
- printf (" point %sn", decimal_point);
- printf (" str %sn", str);
- printf (" ret %dn", ret);
- abort ();
- }
- if (mpf_cmp_d (f, d) != 0)
- {
- printf ("gmp_sscanf wrong resultn");
- printf (" point %sn", decimal_point);
- printf (" str %sn", str);
- mpf_trace (" f", f);
- printf (" d=%gn", d);
- abort ();
- }
- }
- }
- }
- mpf_clear (f);
- }
- int
- main (void)
- {
- /* The localeconv replacement breaks printf "%lu" on SunOS 4, so we can't
- print the seed in tests_rand_start(). Nothing random is used in this
- program though, so just use the memory tests alone. */
- tests_memory_start ();
- {
- mpf_t f;
- char buf[128];
- mpf_init (f);
- decimal_point = ",";
- mpf_set_d (f, 1.5);
- gmp_snprintf (buf, sizeof(buf), "%.1Ff", f);
- mpf_clear (f);
- if (strcmp (buf, "1,5") != 0)
- {
- printf ("Test skipped, replacing localeconv/nl_langinfo doesn't workn");
- goto done;
- }
- }
- check_input ();
- done:
- tests_memory_end ();
- exit (0);
- }