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dba0832af1
This introduces tst-strtod.h to contain some macros
to assist with updating strto{f,d,ld} test code to
support additional variants of this function.
68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
/* Test to strtod etc for numbers like x000...0000.000e-nn.
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This file is part of the GNU C Library.
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Copyright (C) 2001-2016 Free Software Foundation, Inc.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2001.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tst-strtod.h"
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#define TEST_STRTOD(FSUF, FTYPE, FTOSTR, FTOSTRM, LSUF, CSUF) \
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static int \
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test_strto ## FSUF (void) \
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{ \
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char buf[300]; \
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int cnt; \
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int result = 0; \
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\
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for (cnt = 0; cnt < 200; ++cnt) \
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{ \
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ssize_t n; \
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FTYPE f; \
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\
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n = sprintf (buf, "%d", cnt); \
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memset (buf + n, '0', cnt); \
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sprintf (buf + n + cnt, ".000e-%d", cnt); \
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f = strto ## FSUF (buf, NULL); \
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\
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if (f != (FTYPE) cnt) \
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{ \
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char fstr[FSTRLENMAX]; \
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char fcntstr[FSTRLENMAX]; \
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FTOSTR (fstr, sizeof (fstr), "%" FTOSTRM "g", f); \
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FTOSTR (fcntstr, sizeof (fstr), "%" FTOSTRM "g", (FTYPE) cnt); \
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printf ("strto" #FSUF "(\"%s\") " \
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"failed for cnt == %d (%s instead of %s)\n", \
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buf, cnt, fstr, fcntstr); \
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result = 1; \
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} \
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else \
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printf ( "strto" #FSUF "() fine for cnt == %d\n", cnt); \
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} \
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return result; \
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}
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GEN_TEST_STRTOD_FOREACH (TEST_STRTOD)
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int
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main (void)
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{
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return STRTOD_TEST_FOREACH (test_strto);
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}
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