mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-26 12:41:05 +00:00
701666b77d
void **. * nss/nsswitch.h (service_user): Use void * type for KNOWN field. * nss/nss_files/files-hosts.c (LINE_PARSER): Cast host_addr to char * to avoid warning. * nis/nss_nis/nis-hosts.c (LINE_PARSER): Likewise. * timezone/Makefile (CFLAGS-zdump.c): Add -fwrapv. * locale/programs/ld-ctype.c (ctype_finish, set_class_defaults, allocate_arrays): Cast second argument to charmap_find_symbol to char * to avoid warnings. * locale/programs/repertoire.c (repertoire_new_char): Change from_nr, to_nr and cnt to unsigned long, adjust printf format string. * locale/programs/ld-collate.c (insert_value, handle_ellipsis): Cast second argument to new_element to char * to avoid warnings. * locale/weightwc.h (findidx): Cast &extra[-i] to const int32_t *. * intl/gettextP.h (struct loaded_domain): Change plural to const struct expression *. * intl/plural-eval.c (plural_eval): Change first argument to const struct expression *. * intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Change first argument to const struct expression **. * intl/plural-exp.h (EXTRACT_PLURAL_EXPRESSION, plural_eval): Adjust prototypes. * intl/loadmsgcat (_nl_unload_domain): Cast away const in call to __gettext_free_exp. * posix/fnmatch.c (fnmatch): Rearrange code to avoid maybe unitialized wstring/wpattern var warnings. * posix/runtests.c (struct a_test): Make data field const char *. * stdio-common/tst-sprintf2.c (main): Don't declere u, v and buf vars if not LDBL_MANT_DIG >= 106. * stdio-common/Makefile (CFLAGS-vfwprintf.c): Add -Wno-unitialized. * stdio-common/vfprintf.c (vfprintf): Cast first arugment to __find_specmb to avoid warning. * rt/tst-mqueue1.c (do_one_test): Add casts to avoid warnings. * debug/test-strcpy_chk.c (do_tests, do_random_tests): Add casts to avoid warnings. * sysdeps/ieee754/ldbl-96/s_roundl.c (huge): Add L suffix to initializer. * sysdeps/unix/clock_gettime.c (clock_gettime): Only define tv var when it will be actually used. * sunrpc/rpc_cmsg.c (xdr_callmsg): Cast IXDR_PUT_* to void to avoid warnings.
107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/* Round long double to integer away from zero.
|
|
Copyright (C) 1997, 2007 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
|
|
|
|
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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <math.h>
|
|
|
|
#include "math_private.h"
|
|
|
|
|
|
static const long double huge = 1.0e4930L;
|
|
|
|
|
|
long double
|
|
__roundl (long double x)
|
|
{
|
|
int32_t j0;
|
|
u_int32_t se, i1, i0;
|
|
|
|
GET_LDOUBLE_WORDS (se, i0, i1, x);
|
|
j0 = (se & 0x7fff) - 0x3fff;
|
|
if (j0 < 31)
|
|
{
|
|
if (j0 < 0)
|
|
{
|
|
if (huge + x > 0.0)
|
|
{
|
|
se &= 0x8000;
|
|
i0 = i1 = 0;
|
|
if (j0 == -1)
|
|
{
|
|
se |= 0x3fff;
|
|
i0 = 0x80000000;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
u_int32_t i = 0x7fffffff >> j0;
|
|
if (((i0 & i) | i1) == 0)
|
|
/* X is integral. */
|
|
return x;
|
|
if (huge + x > 0.0)
|
|
{
|
|
/* Raise inexact if x != 0. */
|
|
u_int32_t j = i0 + (0x40000000 >> j0);
|
|
if (j < i0)
|
|
se += 1;
|
|
i0 = (j & ~i) | 0x80000000;
|
|
i1 = 0;
|
|
}
|
|
}
|
|
}
|
|
else if (j0 > 62)
|
|
{
|
|
if (j0 == 0x4000)
|
|
/* Inf or NaN. */
|
|
return x + x;
|
|
else
|
|
return x;
|
|
}
|
|
else
|
|
{
|
|
u_int32_t i = 0xffffffff >> (j0 - 31);
|
|
if ((i1 & i) == 0)
|
|
/* X is integral. */
|
|
return x;
|
|
|
|
if (huge + x > 0.0)
|
|
{
|
|
/* Raise inexact if x != 0. */
|
|
u_int32_t j = i1 + (1 << (62 - j0));
|
|
if (j < i1)
|
|
{
|
|
u_int32_t k = i0 + 1;
|
|
if (k < i0)
|
|
{
|
|
se += 1;
|
|
k |= 0x80000000;
|
|
}
|
|
i0 = k;
|
|
}
|
|
i1 = j;
|
|
}
|
|
i1 &= ~i;
|
|
}
|
|
|
|
SET_LDOUBLE_WORDS (x, se, i0, i1);
|
|
return x;
|
|
}
|
|
weak_alias (__roundl, roundl)
|