Add g_strtod & co.

2001-10-24  Alex Larsson  <alexl@redhat.com>

	* docs/reference/glib/glib-sections.txt:
	Add g_strtod & co.

	* docs/reference/glib/tmpl/string_utils.sgml:
	Add docs for G_ASCII_DTOSTR_BUF_SIZE.

	* glib/gstrfuncs.[ch]:
	Added g_ascii_strtod, g_ascii_dtostr and g_ascii_formatd.

	* tests/Makefile.am:
	* tests/strtod-test.c:
	Add tests for g_ascii_strtod & co.
This commit is contained in:
Alex Larsson
2001-10-24 18:00:11 +00:00
committed by Alexander Larsson
parent b0facb3863
commit 3c39c8fcd0
14 changed files with 557 additions and 26 deletions

View File

@@ -72,6 +72,7 @@ test_programs = \
spawn-test \
strfunc-test \
string-test \
strtod-test \
thread-test \
threadpool-test \
tree-test \
@@ -114,6 +115,7 @@ slist_test_LDADD = $(progs_LDADD)
spawn_test_LDADD = $(progs_LDADD)
strfunc_test_LDADD = $(progs_LDADD)
string_test_LDADD = $(progs_LDADD)
strtod_test_LDADD = $(progs_LDADD) -lm
thread_test_LDADD = $(thread_LDADD)
threadpool_test_LDADD = $(thread_LDADD)
tree_test_LDADD = $(progs_LDADD)

53
tests/strtod-test.c Normal file
View File

@@ -0,0 +1,53 @@
#include <glib.h>
#include <locale.h>
#include <string.h>
#include <math.h>
void
test_string (char *number, double res)
{
gdouble d;
char *locales[] = {"sv_SE", "en_US", "fa_IR", "C"};
int l;
char *end;
for (l = 0; l < G_N_ELEMENTS (locales); l++)
{
setlocale (LC_NUMERIC, locales[l]);
d = g_ascii_strtod (number, &end);
if (d != res)
g_print ("g_ascii_strtod for locale %s failed\n", locales[l]);
if (*end != 0)
g_print ("g_ascii_strtod for locale %s endptr was wrong\n", locales[l]);
}
}
int
main ()
{
gdouble d;
char buffer[G_ASCII_DTOSTR_BUF_SIZE];
test_string ("123.123", 123.123);
test_string ("123.123e2", 123.123e2);
test_string ("123.123e-2", 123.123e-2);
test_string ("-123.123", -123.123);
test_string ("-123.123e2", -123.123e2);
test_string ("-123.123e-2", -123.123e-2);
d = 179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
d = -179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
d = pow (2.0, -1024.1);
g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
d = -pow (2.0, -1024.1);
g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
return 0;
}