1138 lines
29 KiB
C
1138 lines
29 KiB
C
/* Test of xstrtold() in the "C" locale.
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Copyright (C) 2008-2025 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "xstrtod.h"
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#include <errno.h>
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#include <float.h>
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#include <math.h>
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#include <string.h>
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#include "isnanl-nolibm.h"
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#include "minus-zero.h"
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#include "macros.h"
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#define UNINIT 0.26149721284764278375542683860869586L
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int
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main ()
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{
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/* Subject sequence empty or invalid. */
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{
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const char input[] = "";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " ";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " +";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " .";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " .e0";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " +.e-0";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " in";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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{
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const char input[] = " na";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input);
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ASSERT (errno == 0 || errno == EINVAL);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (errno == 0 || errno == EINVAL);
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}
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}
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/* Simple floating point values. */
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{
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const char input[] = "1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1.";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = ".5";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.5L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = " 1";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (errno == 0);
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}
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}
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{
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const char input[] = "+1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "-1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == -1.0L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1e0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 3);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1e+0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 4);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1e-0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 4);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1e1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 10.0L);
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ASSERT (ptr == input + 3);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "5e-1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.5L);
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ASSERT (ptr == input + 4);
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ASSERT (errno == 0);
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}
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/* Zero. */
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{
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const char input[] = "0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = ".0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0e0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 3);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0e+9999999";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 10);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0e-9999999";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 10);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "-0";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!!signbit (result) == !!signbit (minus_zerol));
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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/* Suffixes. */
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{
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const char input[] = "1f";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1.f";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "1e";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 1.0L);
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ASSERT (errno == 0);
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}
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}
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{
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const char input[] = "1e+";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 1.0L);
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ASSERT (errno == 0);
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}
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}
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{
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const char input[] = "1e-";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 1.0L);
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ASSERT (errno == 0);
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}
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}
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{
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const char input[] = "1E 2";
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{
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 1.0L);
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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long double result = UNINIT;
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bool ok = xstrtold (input, NULL, &result, strtold);
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ASSERT (!ok);
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ASSERT (result == 1.0L);
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ASSERT (errno == 0);
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}
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}
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{
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const char input[] = "0x";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "00x1";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "-0x";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!!signbit (result) == !!signbit (minus_zerol));
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ASSERT (ptr == input + 2);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0xg";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0xp";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
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{
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const char input[] = "0XP";
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const char *ptr;
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long double result = UNINIT;
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bool ok = xstrtold (input, &ptr, &result, strtold);
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ASSERT (ok);
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ASSERT (result == 0.0L);
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ASSERT (!signbit (result));
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ASSERT (ptr == input + 1);
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ASSERT (errno == 0);
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}
|
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{
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const char input[] = "0x.";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0xp+";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0xp+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x.p+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "1p+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "1P+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
|
|
/* Overflow. */
|
|
{
|
|
const char input[] = "1e6000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (!ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 6);
|
|
ASSERT (errno == ERANGE);
|
|
}
|
|
{
|
|
const char input[] = "1E1000000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (!ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 9);
|
|
ASSERT (errno == ERANGE);
|
|
}
|
|
{
|
|
const char input[] = "-1E1000000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (!ok);
|
|
ASSERT (result == -HUGE_VALL);
|
|
ASSERT (ptr == input + 10);
|
|
ASSERT (errno == ERANGE);
|
|
}
|
|
|
|
/* Gradual underflow, resulting in a denormalized number. */
|
|
{
|
|
#if LDBL_MAX_EXP > 10000
|
|
const char input[] = "1e-4950";
|
|
#else
|
|
const char input[] = "1e-320";
|
|
#endif
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (0.0L < result && result <= LDBL_MIN);
|
|
ASSERT (ptr == input + strlen (input));
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
#if LDBL_MAX_EXP > 10000
|
|
const char input[] = "-1e-4950";
|
|
#else
|
|
const char input[] = "-1e-320";
|
|
#endif
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (-LDBL_MIN <= result && result < 0.0L);
|
|
ASSERT (ptr == input + strlen (input));
|
|
ASSERT (errno == 0);
|
|
}
|
|
|
|
/* Flush-to-zero underflow. */
|
|
{
|
|
const char input[] = "1E-100000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input + 9);
|
|
ASSERT (errno == ERANGE);
|
|
}
|
|
{
|
|
const char input[] = "-1E-100000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
/* Negative underflow. Expect a negative sign, although POSIX allows +0.0L.
|
|
See also <https://sourceware.org/bugzilla/show_bug.cgi?id=5995>. */
|
|
ASSERT (!!signbit (result) == !!signbit (minus_zerol));
|
|
ASSERT (ptr == input + 10);
|
|
ASSERT (errno == ERANGE);
|
|
}
|
|
|
|
/* Space before the exponent. */
|
|
{
|
|
const char input[] = "1E 1000000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 1);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1P 1000000";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
|
|
/* Infinity. */
|
|
{
|
|
const char input[] = "iNf";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "-InF";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == -HUGE_VALL);
|
|
ASSERT (ptr == input + 4);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "infinite";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "infinitY";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 8);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "infinitY.";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == HUGE_VALL);
|
|
ASSERT (ptr == input + 8);
|
|
ASSERT (errno == 0);
|
|
}
|
|
|
|
/* NaN. Some processors set the sign bit of the default NaN, so all
|
|
we check is that using a sign changes the result. */
|
|
{
|
|
const char input[] = "-nan";
|
|
const char *ptr1;
|
|
const char *ptr2;
|
|
long double result1 = UNINIT;
|
|
long double result2 = UNINIT;
|
|
bool ok1 = xstrtold (input, &ptr1, &result1, strtold);
|
|
bool ok2 = xstrtold (input + 1, &ptr2, &result2, strtold);
|
|
ASSERT (ok1);
|
|
ASSERT (ok2);
|
|
#if 1 /* All known CPUs support NaNs. */
|
|
ASSERT (isnanl (result1));
|
|
ASSERT (isnanl (result2));
|
|
# if 0
|
|
/* Sign bits of NaN is a portability sticking point, not worth
|
|
worrying about. */
|
|
ASSERT (!!signbit (result1) != !!signbit (result2));
|
|
# endif
|
|
ASSERT (ptr1 == input + 4);
|
|
ASSERT (ptr2 == input + 4);
|
|
ASSERT (errno == 0);
|
|
#else
|
|
ASSERT (result1 == 0.0L);
|
|
ASSERT (result2 == 0.0L);
|
|
ASSERT (!signbit (result1));
|
|
ASSERT (!signbit (result2));
|
|
ASSERT (ptr1 == input);
|
|
ASSERT (ptr2 == input + 1);
|
|
ASSERT (errno == 0 || errno == EINVAL);
|
|
#endif
|
|
}
|
|
{
|
|
const char input[] = "+nan(";
|
|
const char *ptr1;
|
|
const char *ptr2;
|
|
long double result1 = UNINIT;
|
|
long double result2 = UNINIT;
|
|
bool ok1 = xstrtold (input, &ptr1, &result1, strtold);
|
|
bool ok2 = xstrtold (input + 1, &ptr2, &result2, strtold);
|
|
ASSERT (ok1);
|
|
ASSERT (ok2);
|
|
#if 1 /* All known CPUs support NaNs. */
|
|
ASSERT (isnanl (result1));
|
|
ASSERT (isnanl (result2));
|
|
ASSERT (!!signbit (result1) == !!signbit (result2));
|
|
ASSERT (ptr1 == input + 4);
|
|
ASSERT (ptr2 == input + 4);
|
|
ASSERT (errno == 0);
|
|
#else
|
|
ASSERT (result1 == 0.0L);
|
|
ASSERT (result2 == 0.0L);
|
|
ASSERT (!signbit (result1));
|
|
ASSERT (!signbit (result2));
|
|
ASSERT (ptr1 == input);
|
|
ASSERT (ptr2 == input + 1);
|
|
ASSERT (errno == 0 || errno == EINVAL);
|
|
#endif
|
|
}
|
|
{
|
|
const char input[] = "-nan()";
|
|
const char *ptr1;
|
|
const char *ptr2;
|
|
long double result1 = UNINIT;
|
|
long double result2 = UNINIT;
|
|
bool ok1 = xstrtold (input, &ptr1, &result1, strtold);
|
|
bool ok2 = xstrtold (input + 1, &ptr2, &result2, strtold);
|
|
ASSERT (ok1);
|
|
ASSERT (ok2);
|
|
#if 1 /* All known CPUs support NaNs. */
|
|
ASSERT (isnanl (result1));
|
|
ASSERT (isnanl (result2));
|
|
# if 0
|
|
/* Sign bits of NaN is a portability sticking point, not worth
|
|
worrying about. */
|
|
ASSERT (!!signbit (result1) != !!signbit (result2));
|
|
# endif
|
|
ASSERT (ptr1 == input + 6);
|
|
ASSERT (ptr2 == input + 6);
|
|
ASSERT (errno == 0);
|
|
#else
|
|
ASSERT (result1 == 0.0L);
|
|
ASSERT (result2 == 0.0L);
|
|
ASSERT (!signbit (result1));
|
|
ASSERT (!signbit (result2));
|
|
ASSERT (ptr1 == input);
|
|
ASSERT (ptr2 == input + 1);
|
|
ASSERT (errno == 0 || errno == EINVAL);
|
|
#endif
|
|
}
|
|
{
|
|
const char input[] = " nan().";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
#if 1 /* All known CPUs support NaNs. */
|
|
ASSERT (isnanl (result));
|
|
ASSERT (ptr == input + 6);
|
|
ASSERT (errno == 0);
|
|
#else
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!signbit (result));
|
|
ASSERT (ptr == input);
|
|
ASSERT (errno == 0 || errno == EINVAL);
|
|
#endif
|
|
}
|
|
{
|
|
/* The behavior of nan(0) is implementation-defined, but all
|
|
implementations we know of which handle optional
|
|
n-char-sequences handle nan(0) the same as nan(). */
|
|
const char input[] = "-nan(0).";
|
|
const char *ptr1;
|
|
const char *ptr2;
|
|
long double result1 = UNINIT;
|
|
long double result2 = UNINIT;
|
|
bool ok1 = xstrtold (input, &ptr1, &result1, strtold);
|
|
bool ok2 = xstrtold (input + 1, &ptr2, &result2, strtold);
|
|
ASSERT (ok1);
|
|
ASSERT (ok2);
|
|
#if 1 /* All known CPUs support NaNs. */
|
|
ASSERT (isnanl (result1));
|
|
ASSERT (isnanl (result2));
|
|
# if 0
|
|
/* Sign bits of NaN is a portability sticking point, not worth
|
|
worrying about. */
|
|
ASSERT (!!signbit (result1) != !!signbit (result2));
|
|
# endif
|
|
ASSERT (ptr1 == input + 7);
|
|
ASSERT (ptr2 == input + 7);
|
|
ASSERT (errno == 0);
|
|
#else
|
|
ASSERT (result1 == 0.0L);
|
|
ASSERT (result2 == 0.0L);
|
|
ASSERT (!signbit (result1));
|
|
ASSERT (!signbit (result2));
|
|
ASSERT (ptr1 == input);
|
|
ASSERT (ptr2 == input + 1);
|
|
ASSERT (errno == 0 || errno == EINVAL);
|
|
#endif
|
|
}
|
|
|
|
/* Hex. */
|
|
{
|
|
const char input[] = "0xa";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 10.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0XA";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 10.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1p";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1p+";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1P+";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1p+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 2.0L);
|
|
ASSERT (ptr == input + 6);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0X1P+1";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 2.0L);
|
|
ASSERT (ptr == input + 6);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1p+1a";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 2.0L);
|
|
ASSERT (ptr == input + 6);
|
|
ASSERT (errno == 0);
|
|
}
|
|
{
|
|
const char input[] = "0x1p 2";
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + 3);
|
|
ASSERT (errno == 0);
|
|
}
|
|
|
|
/* Large buffers. */
|
|
{
|
|
size_t m = 1000000;
|
|
char *input = malloc (m + 1);
|
|
if (input)
|
|
{
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
memset (input, '\t', m - 1);
|
|
input[m - 1] = '1';
|
|
input[m] = '\0';
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + m);
|
|
ASSERT (errno == 0);
|
|
}
|
|
free (input);
|
|
}
|
|
{
|
|
size_t m = 1000000;
|
|
char *input = malloc (m + 1);
|
|
if (input)
|
|
{
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
memset (input, '0', m - 1);
|
|
input[m - 1] = '1';
|
|
input[m] = '\0';
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + m);
|
|
ASSERT (errno == 0);
|
|
}
|
|
free (input);
|
|
}
|
|
#if 0
|
|
/* Newlib has an artificial limit of 20000 for the exponent. TODO -
|
|
gnulib should fix this. */
|
|
{
|
|
size_t m = 1000000;
|
|
char *input = malloc (m + 1);
|
|
if (input)
|
|
{
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
input[0] = '.';
|
|
memset (input + 1, '0', m - 10);
|
|
input[m - 9] = '1';
|
|
input[m - 8] = 'e';
|
|
input[m - 7] = '+';
|
|
input[m - 6] = '9';
|
|
input[m - 5] = '9';
|
|
input[m - 4] = '9';
|
|
input[m - 3] = '9';
|
|
input[m - 2] = '9';
|
|
input[m - 1] = '1';
|
|
input[m] = '\0';
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + m);
|
|
ASSERT (errno == 0);
|
|
}
|
|
free (input);
|
|
}
|
|
{
|
|
size_t m = 1000000;
|
|
char *input = malloc (m + 1);
|
|
if (input)
|
|
{
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
input[0] = '1';
|
|
memset (input + 1, '0', m - 9);
|
|
input[m - 8] = 'e';
|
|
input[m - 7] = '-';
|
|
input[m - 6] = '9';
|
|
input[m - 5] = '9';
|
|
input[m - 4] = '9';
|
|
input[m - 3] = '9';
|
|
input[m - 2] = '9';
|
|
input[m - 1] = '1';
|
|
input[m] = '\0';
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 1.0L);
|
|
ASSERT (ptr == input + m);
|
|
ASSERT (errno == 0);
|
|
}
|
|
free (input);
|
|
}
|
|
#endif
|
|
{
|
|
size_t m = 1000000;
|
|
char *input = malloc (m + 1);
|
|
if (input)
|
|
{
|
|
const char *ptr;
|
|
long double result = UNINIT;
|
|
input[0] = '-';
|
|
input[1] = '0';
|
|
input[2] = 'e';
|
|
input[3] = '1';
|
|
memset (input + 4, '0', m - 3);
|
|
input[m] = '\0';
|
|
bool ok = xstrtold (input, &ptr, &result, strtold);
|
|
ASSERT (ok);
|
|
ASSERT (result == 0.0L);
|
|
ASSERT (!!signbit (result) == !!signbit (minus_zerol));
|
|
ASSERT (ptr == input + m);
|
|
ASSERT (errno == 0);
|
|
}
|
|
free (input);
|
|
}
|
|
|
|
return test_exit_status;
|
|
}
|