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3c39c8fcd0
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.
54 lines
1.9 KiB
C
54 lines
1.9 KiB
C
#include <glib.h>
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#include <locale.h>
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#include <string.h>
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#include <math.h>
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void
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test_string (char *number, double res)
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{
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gdouble d;
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char *locales[] = {"sv_SE", "en_US", "fa_IR", "C"};
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int l;
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char *end;
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for (l = 0; l < G_N_ELEMENTS (locales); l++)
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{
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setlocale (LC_NUMERIC, locales[l]);
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d = g_ascii_strtod (number, &end);
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if (d != res)
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g_print ("g_ascii_strtod for locale %s failed\n", locales[l]);
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if (*end != 0)
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g_print ("g_ascii_strtod for locale %s endptr was wrong\n", locales[l]);
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}
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}
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int
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main ()
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{
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gdouble d;
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char buffer[G_ASCII_DTOSTR_BUF_SIZE];
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test_string ("123.123", 123.123);
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test_string ("123.123e2", 123.123e2);
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test_string ("123.123e-2", 123.123e-2);
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test_string ("-123.123", -123.123);
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test_string ("-123.123e2", -123.123e2);
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test_string ("-123.123e-2", -123.123e-2);
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d = 179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = -179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = pow (2.0, -1024.1);
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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d = -pow (2.0, -1024.1);
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g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));
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return 0;
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}
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