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/* Tests of __strtod_internal in a locale using decimal comma.
Copyright (C) 2007-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
/* Defining _LIBC_TEST ensures long double math functions are
declared in the headers. */
#define _LIBC_TEST 1
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "tst-strtod.h"
/* This tests internal interfaces, which are only defined for types
with distinct ABIs, so disable testing for types without distinct
ABIs. */
#undef IF_FLOAT32
#define IF_FLOAT32(x)
#undef IF_FLOAT64
#define IF_FLOAT64(x)
#undef IF_FLOAT32X
#define IF_FLOAT32X(x)
#undef IF_FLOAT64X
#define IF_FLOAT64X(x)
#if !__HAVE_DISTINCT_FLOAT128
# undef IF_FLOAT128
# define IF_FLOAT128(x)
#endif
#define NNBSP "\xe2\x80\xaf"
#define TEST_STRTOD(FSUF, FTYPE, FTOSTR, LSUF, CSUF) \
static const struct \
{ \
const char *in; \
int group; \
FTYPE expected; \
} tests_strto ## FSUF[] = \
{ \
{ "0", 0, 0.0 ## LSUF }, \
{ "000", 0, 0.0 ## LSUF }, \
{ "-0", 0, -0.0 ## LSUF }, \
{ "-000", 0, -0.0 ## LSUF }, \
{ "0,", 0, 0.0 ## LSUF }, \
{ "-0,", 0, -0.0 ## LSUF }, \
{ "0,0", 0, 0.0 ## LSUF }, \
{ "-0,0", 0, -0.0 ## LSUF }, \
{ "0e-10", 0, 0.0 ## LSUF }, \
{ "-0e-10", 0, -0.0 ## LSUF }, \
{ "0,e-10", 0, 0.0 ## LSUF }, \
{ "-0,e-10", 0, -0.0 ## LSUF }, \
{ "0,0e-10", 0, 0.0 ## LSUF }, \
{ "-0,0e-10", 0, -0.0 ## LSUF }, \
{ "0e-1000000", 0, 0.0 ## LSUF }, \
{ "-0e-1000000", 0, -0.0 ## LSUF }, \
{ "0,0e-1000000", 0, 0.0 ## LSUF }, \
{ "-0,0e-1000000", 0, -0.0 ## LSUF }, \
{ "0", 1, 0.0 ## LSUF }, \
{ "000", 1, 0.0 ## LSUF }, \
{ "-0", 1, -0.0 ## LSUF }, \
{ "-000", 1, -0.0 ## LSUF }, \
{ "0e-10", 1, 0.0 ## LSUF }, \
{ "-0e-10", 1, -0.0 ## LSUF }, \
{ "0e-1000000", 1, 0.0 ## LSUF }, \
{ "-0e-1000000", 1, -0.0 ## LSUF }, \
{ "000"NNBSP"000"NNBSP"000", 1, 0.0 ## LSUF }, \
{ "-000"NNBSP"000"NNBSP"000", 1, -0.0 ## LSUF } \
}; \
\
static int \
test_strto ## FSUF (void) \
{ \
int status = 0; \
\
for (int i = 0; \
i < sizeof (tests_strto ## FSUF) / sizeof (tests_strto ## FSUF[0]); \
++i) \
{ \
char *ep; \
FTYPE r = __strto ## FSUF ## _internal (tests_strto ## FSUF[i].in, \
&ep, \
tests_strto ## FSUF[i].group); \
\
if (*ep != '\0') \
{ \
printf ("%d: got rest string \"%s\", expected \"\"\n", i, ep); \
status = 1; \
} \
\
if (r != tests_strto ## FSUF[i].expected \
|| (copysign ## CSUF (10.0 ## LSUF, r) \
!= copysign ## CSUF (10.0 ## LSUF, \
tests_strto ## FSUF[i].expected))) \
{ \
char buf1[FSTRLENMAX], buf2[FSTRLENMAX]; \
FTOSTR (buf1, sizeof (buf1), "%g", r); \
FTOSTR (buf2, sizeof (buf2), "%g", \
tests_strto ## FSUF[i].expected); \
printf ("%d: got wrong results %s, expected %s\n", \
i, buf1, buf2); \
status = 1; \
} \
} \
\
return status; \
}
GEN_TEST_STRTOD_FOREACH (TEST_STRTOD)
static int
do_test (void)
{
if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
{
puts ("could not set locale");
return 1;
}
return STRTOD_TEST_FOREACH (test_strto);
}
#include <support/test-driver.c>
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