glibc/sysdeps/ieee754/flt-32/s_ilogbf.c

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/* s_ilogbf.c -- float version of s_ilogb.c.
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
*/
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunPro, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
Update. 1997-11-18 02:31 Ulrich Drepper <drepper@cygnus.com> * iconv/Makefile: New file. * iconv/gconv.c: New file. * iconv/gconv.h: New file. * iconv/gconv_builtin.c: New file. * iconv/gconv_builtin.h: New file. * iconv/gconv_close.c: New file. * iconv/gconv_conf.c: New file. * iconv/gconv_db.c: New file. * iconv/gconv_dl.c: New file. * iconv/gconv_open.c: New file. * iconv/gconv_simple.c: New file. * iconv/iconv.c: New file. * iconv/iconv.h: New file. * iconv/iconv_close.c: New file. * iconv/iconv_open.c: New file. * include/gconv.h: New file. * Makeconfig: Define gconvdir. * Makefile (subdirs): Add iconv. * string/bits/string2.h: Add optimization for strtok_r. * sysdeps/generic/_G_config.h: Define __need_NULL to get definition for NULL. Reported by H.J. Lu <hjl@gnu.ai.mit.edu>. * configure.in: Correct test for bash2. * locale/Makefile (CFLAGS-charmap.c): Add -Wno-char-subscripts. (CFLAGS-locfile.c): Likewise. Suggested by Zack Weinberg <zack@rabi.phys.columbia.edu>. * misc/hsearch_r.c (hsearch_r): Avoid undefinitely search for non-existing entry if the table is full. * posix/regex.h: Pretty print. * stdio-common/printf_fp.c: Don't define NDEBUG if already defined. * sysdeps/posix/ctermid.c: Simplify a bit. * sysdeps/unix/sysv/linux/net/if.h: Pretty print. 1997-11-17 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/quota.h: Add include for <sys/types.h> instead of <asm/types.h>. 1997-11-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (asin_test): Add epsilon for asin (0.5). 1997-11-16 17:09 H.J. Lu <hjl@gnu.ai.mit.edu> * libc.map (_IO_stdin_, _IO_stdout_, _IO_stderr_, _IO_fopen, fopen, freopen, _IO_fclose, fclose): Added to GLIBC_2.0. (_IO_stdin_, _IO_stdout_, _IO_stderr_): Removed from GLIBC_2.1. (_IO_2_1_stdin_, _IO_2_1_stdout_, _IO_2_1_stderr_, _IO_fclose, fclose): Added to GLIBC_2.1. * libio/Makefile (routines, shared-only-routines): Add oldiofclose. Remove oldfreopen. * libio/freopen.c (freopen): When PIC is defined, call _IO_old_freopen () for old stdio. * libio/iofclose.c (_IO_new_fclose): Renamed from _IO_fclose. (_IO_fclose, fclose): Use _IO_new_fclose as default version for GLIBC_2.1. * libio/iolibio.h (_IO_old_freopen): Use _IO_old_file_close_it instead of _IO_file_close_it. * libio/libio.h (_IO_stdin_, _IO_stdout_, _IO_stderr_): Changed to _IO_2_1_stdxxx_. (_IO_stdin, _IO_stdout, _IO_stderr): Declare as extern if _LIBC * libio/libioP.h (_IO_old_do_flush): New. * libio/oldfileops.c (_IO_old_file_close_it, _IO_old_file_finish, _IO_old_file_overflow, _IO_old_file_sync): Call _IO_old_do_flush () instead of _IO_do_flush (). (_IO_old_file_xsputn): Call _IO_old_do_write () instead of _IO_do_write (). * libio/oldiofopen.c (_IO_old_fopen): Call _IO_old_file_init () instead of _IO_file_init (). Bind old symbols to version GLIBC_2.0. * libio/oldstdfiles.c (DEF_STDFILE): Don't use symbol_version. (_IO_old_stdin_, _IO_old_stdout_, _IO_old_stderr_): Changed to _IO_stdxxx_. (_IO_check_libio): New function in .init. * libio/oldiofclose.c: New file. * libio/stdfiles.c (_IO_new_stdin_, _IO_new_stdout_, _IO_new_stderr_): Changed to _IO_2_1_stdxxx_. (DEF_STDFILE): Don't use default_symbol_version. * libio/stdio.c (stdin, stdout, stderr): Set to _IO_2_1_stdxxx_._ (_IO_stdin, _IO_stdout, _IO_stderr): New, strong alias of stdxxx. * csu/Makefile (distribute): Add init.c. (extra-objs): Add init.o for ELF. (start-installed-name): Add $(objpfx)init.o. * csu/init.c: New file. 1997-11-12 08:02 H.J. Lu <hjl@gnu.ai.mit.edu> * elf/dl-lookup.c (do_lookup): Don't use the hidden base definition as the default. 1997-08-27 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> * erand48_r.c (__erand48_r): Implement for 32 bit short int. 1997-11-15 Andreas Jaeger <aj@arthur.rhein-neckar.de> * elf/genrtldtbl.awk: Replace gensub for compatibility with gawk2 (PR 351). 1997-11-16 21:01 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/arm/sysdep.h: Use __APCS_32__ to decide whether or not to preserve condition codes on function call. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/s_exp2l.c: Change exp2l to __ieee754_exp2l. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c (asin_test): Add epsilon for float. (tan_test): Add epsilon for float. (log1p_test): Add epsilon for float. (inverse_functions): Add epsilons. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [socket]: Add net/if_packet.h. * sysdeps/unix/sysv/linux/Dist: Add net/if_packet.h. 1997-11-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * md5-crypt/Makefile (extra-objs): Make recursively expanded variable, since $(object-suffixes) is not defined yet. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * db2/Makefile (distribute): db185/db185_int.src -> db185/db185_int.h. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * misc/tst-fdset.c: Don't require the value of FD_ISSET to be exactly one. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/e_acoshl.c: Fix stub_warning: use the user level * sysdeps/generic/e_acosl.c: Likewise. * sysdeps/generic/e_asinl.c: Likewise. * sysdeps/generic/e_atan2l.c: Likewise. * sysdeps/generic/e_expl.c: Likewise. * sysdeps/generic/e_fmodl.c: Likewise. * sysdeps/generic/e_j0l.c: Likewise. * sysdeps/generic/e_j1l.c: Likewise. * sysdeps/generic/e_jnl.c: Likewise. * sysdeps/generic/e_lgammal_r.c: Likewise. * sysdeps/generic/e_log10l.c: Likewise. * sysdeps/generic/e_logl.c: Likewise. * sysdeps/generic/e_powl.c: Likewise. * sysdeps/generic/e_sqrtl.c: Likewise. * sysdeps/generic/e_exp2l.c: Likewise. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Make-dist (+sysdep-names): Remove extra paren. * Makefile (distribute): Add stub-tag.h. * elf/Makefile (distribute): Add atomicity.h. * stdlib/Makefile (headers): Add ucontext.h and sys/ucontext.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=socket]: Add net/if_packet.h. * sysdeps/alpha/Dist: Remove setjmp_aux.c. * sysdeps/unix/sysv/linux/Dist: Add s_pread64.c, s_pwrite64.c, net/if_packet.h, scsi/sg.h. 1997-11-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (install): Quote $(CC) expansion. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/getcwd.c (__getcwd): Added caching of working /proc cwd and no restrictions on path length. Following some ideas from Andi Kleen <ak@muc.de> (PR 350). 1997-11-14 19:14 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-grp.c: Remove buggy assert call. 1997-11-14 22:23 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fdim.S: New file. * sysdeps/libm-i387/s_fdimf.S: New file. * sysdeps/libm-i387/s_fdiml.S: New file. * sysdeps/libm-i387/i686/s_fdim.S: New file. * sysdeps/libm-i387/i686/s_fdimf.S: New file. * sysdeps/libm-i387/i686/s_fdiml.S: New file. 1997-11-12 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * string/bits/string2.h (strstr): Avoid warning if HAYSTACK is a pointer to unsigned char. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_llrintf.c (__llrintf): Fix function. * sysdeps/libm-ieee754/s_lrintf.c (__lrintf): Fix function. * sysdeps/libm-ieee754/s_lrint.c (__lrint): Fix function. 1997-11-12 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_ilogbf.c: Correct return values for ilogb(0/NaN). * sysdeps/libm-ieee754/s_ilogbl.c: Likewise. * sysdeps/libm-ieee754/s_ilogb.c: Likewise. 1997-11-14 05:44 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fmin.S: New file. * sysdeps/libm-i387/s_fminf.S: New file. * sysdeps/libm-i387/s_fminl.S: New file. * sysdeps/libm-i387/s_fmax.S: New file. * sysdeps/libm-i387/s_fmaxf.S: New file. * sysdeps/libm-i387/s_fmaxl.S: New file. * sysdeps/libm-i387/i686/s_fmin.S: New file. * sysdeps/libm-i387/i686/s_fminf.S: New file. * sysdeps/libm-i387/i686/s_fminl.S: New file. * sysdeps/libm-i387/i686/s_fmax.S: New file. * sysdeps/libm-i387/i686/s_fmaxf.S: New file. * sysdeps/libm-i387/i686/s_fmaxl.S: New file. 1997-11-14 03:06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/accept.S: Add __libc_accept as alias. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. Reported by Christopher Wiles <wileyc@ai.cs.fujitsu.co.jp>. See ChangeLog.7 for earlier changes.
1997-11-18 02:50:07 +00:00
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: s_ilogbf.c,v 1.4 1995/05/10 20:47:31 jtc Exp $";
#endif
Update. 2001-06-04 Bruno Haible <haible@clisp.cons.org> * iconv/loop.c (UNICODE_TAG_HANDLER): New macro. * iconv/gconv_simple.c (__gconv_transform_internal_ascii): Invoke UNICODE_TAG_HANDLER. (__gconv_transform_internal_ucs2): Likewise. (__gconv_transform_internal_ucs2reverse): Likewise. * iconvdata/8bit-gap.c (BODY for TO_LOOP): Invoke UNICODE_TAG_HANDLER. * iconvdata/8bit-generic.c (BODY for TO_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for TO_LOOP): Likewise. * iconvdata/big5.c (BODY for TO_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for TO_LOOP): Likewise. * iconvdata/cp1255.c (BODY for TO_LOOP): Likewise. * iconvdata/cp1258.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for TO_LOOP): Likewise. * iconvdata/gbk.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm932.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm933.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm935.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm937.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm939.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm943.c (BODY for TO_LOOP): Likewise. * iconvdata/iso646.c (BODY for TO_LOOP): Likewise. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for TO_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for TO_LOOP): Likewise. * iconvdata/johab.c (BODY for TO_LOOP): Likewise. * iconvdata/sjis.c (BODY for TO_LOOP): Likewise. * iconvdata/t.61.c (BODY for TO_LOOP): Likewise. * iconvdata/uhc.c (BODY for TO_LOOP): Likewise. * iconvdata/unicode.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-jp.c (TAG_none, TAG_language, TAG_language_j, TAG_language_ja, TAG_language_k, TAG_language_ko, TAG_language_z, TAG_language_zh, CURRENT_TAG_MASK): New enum values. (EMIT_SHIFT_TO_INIT): Don't emit an escape sequence if ASCII_set is already selected but set2 or tag are set. (conversion): New enum type. (cvlist_t): New type. (CVLIST, CVLIST_FIRST, CVLIST_REST): New macros. (conversion_lists): New array. (BODY for TO_LOOP): Keep track of Unicode 3.1 language tag. If "ja", prefer conversion to Japanese character sets. If "zh", prefer conversion to GB2312. If "ko", prefer conversion to KSC5601. Small optimizations. (INIT_PARAMS): Add tag. (UPDATE_PARAMS): Add tag. 2001-06-04 Bruno Haible <haible@clisp.cons.org> * locale/programs/locfile.c (write_locale_data): Before creat(), unlink the file, to avoid crashing the processes that mmap it. Change a double slash to a single slash. Free fname in case of error return. 2001-06-02 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/fpu/s_frexpl.S (__frexpl): Mostly revert 2000-12-03 changes, do the special handling for denormal numbers, not for normalized numbers (patch by <trevin@xmission.com>). * math/test-misc.c (main): Test frexpl with denormal arguments. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/libm-test.inc (llround_test): Add two new llround tests. * sysdeps/ieee754/ldbl-96/s_llroundl.c (__llroundl): Don't allow overflow when rounding away from zero. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/Makefile (libm-calls): Add e_log2, w_log2, remove s_log2. * math/math_private.h (__ieee754_log2, __ieee754_log2f, __ieee754_log2l): New prototypes. * sysdeps/generic/w_log2.c: New file. * sysdeps/generic/w_log2f.c: New file. * sysdeps/generic/w_log2l.c: New file. * sysdeps/generic/s_log2l.c: Move... * sysdeps/generic/e_log2l.c: ...to here. Rename to __ieee754_log2l. * sysdeps/ieee754/k_standard.c (__kernel_standard): Handle log2(0) and log2(x < 0). * sysdeps/i386/fpu/s_log2.S: Move... * sysdeps/i386/fpu/e_log2.S: ...to here. Rename to __ieee754_log2. * sysdeps/i386/fpu/s_log2f.S: Move... * sysdeps/i386/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f. * sysdeps/i386/fpu/s_log2l.S: Move... * sysdeps/i386/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l. * sysdeps/m68k/fpu/s_log2.S: Move... * sysdeps/m68k/fpu/e_log2.S: ...to here. Rename to __ieee754_log2. * sysdeps/m68k/fpu/s_log2f.S: Move... * sysdeps/m68k/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f. * sysdeps/m68k/fpu/s_log2l.S: Move... * sysdeps/m68k/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l. * sysdeps/ieee754/dbl-64/s_log2.c: Move... * sysdeps/ieee754/dbl-64/e_log2.c: ...to here. Rename to __ieee754_log2. * sysdeps/ieee754/flt-32/s_log2f.c: Move... * sysdeps/ieee754/flt-32/e_log2f.c: ...to here. Rename to __ieee754_log2f. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/generic/w_exp2.c (u_threshold): Lower threshold so that even arguments which result in denormalized exp2 are accepted. (__exp2): Arguments equal to u_threshold already result into underflow. * sysdeps/generic/w_exp2f.c (u_threshold, __exp2f): Likewise. * sysdeps/generic/w_exp2l.c (u_threshold, __exp2l): Likewise. * sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Lomark was too low, with corrected lowmark use greaterequal, not greater. * sysdeps/ieee754/flt-32/e_exp2f.c (__ieee754_exp2f): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/libm-test.inc (ilogb_test): Test that ilogb(+-Inf) == INT_MAX. * sysdeps/i386/fpu/s_ilogb.S (__ilogb): Return INT_MAX for +-Inf. * sysdeps/i386/fpu/s_ilogbf.S (__ilogbf): Likewise. * sysdeps/i386/fpu/s_ilogbl.S (__ilogbl): Likewise. * sysdeps/ieee754/dbl-64/s_ilogb.c (__ilogb): Likewise. * sysdeps/ieee754/flt-32/s_ilogbf.c (__ilogbf): Likewise. * sysdeps/ieee754/ldbl-128/s_ilogbl.c (__ilogbl): Likewise. * sysdeps/ieee754/ldbl-96/s_ilogbl.c (__ilogbl): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/generic/w_coshl.c (__coshl): Test if finite argument gave non-finite result instead of using constant in generic version. * sysdeps/generic/w_coshf.c (__coshf): Likewise. * sysdeps/generic/w_cosh.c (__cosh): Likewise. * sysdeps/generic/w_exp10.c (o_threshold, u_threshold): Remove. (__exp10): Test if finite argument gave non-finite result. * sysdeps/generic/w_exp10f.c (o_threshold, u_threshold, __exp10f): Likewise. * sysdeps/generic/w_exp10l.c (o_threshold, u_threshold, __exp10l): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/ieee754/ldbl-96/e_coshl.c (__ieee754_coshl): Fix overflow threshold constant (log(LDBL_MAX)+M_LN2l). 2001-05-29 Bruno Haible <haible@clisp.cons.org> * locale/programs/ld-ctype.c (idx_table): New struct type. (idx_table_init, idx_table_get, idx_table_add): New functions. (MAX_CHARNAMES_IDX): Remove macro. (locale_ctype_t): Change type of charnames_idx field. (ctype_startup): Change initialization of charnames_idx field. (find_idx): Use idx_table_get and idx_table_add for speed. * locale/programs/charmap.c (charmap_new_char): Fix ucs4 value computation of characters in a range. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * iconvdata/gb18030.c (__fourbyte_to_ucs1): Add mappings for <U03F4>, <U03F5>. (__ucs_to_gb18030_tab1): Likewise. (BODY for FROM_LOOP): Add mapping for <U00010000>..<U0010FFFF>. (BODY for TO_LOOP): Likewise. * iconvdata/tst-table-charmap.sh: Update for charmaps containing <U00xxxxxx> syntax. * iconvdata/tst-table-from.c (bmp_only): New variable. (utf8_decode): If bmp_only, don't return characters outside Unicode plane 0. (main): When testing UTF-8 or GB18030, set bmp_only to 1. Don't print a conversion line if utf8_decode returns NULL. * iconvdata/tst-table-to.c (main): When testing encodings other than UTF-8 and GB18030, loop upto U+30000 instead of U+10000. Use UTF-8 instead of UCS-2 as input. * iconvdata/tst-table.sh: For GB18030, use only the part < 0x10000 of the charmap. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * iconvdata/cns11643l1.c: Update to Unicode 3.1. (__cns11643l1_to_ucs4_tab): Regenerated. (__cns11643l1_from_ucs4_tab12): Regenerated. * iconvdata/cns11643.c: Update to Unicode 3.1. (__cns11643l14_to_ucs4_tab): Remove array. (__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab, __cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab, __cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New arrays. (__cns11643_from_ucs4p0_tab): Renamed from __cns11643_from_ucs4_tab. (__cns11643_from_ucs4p2_tab): New array. * iconvdata/cns11643.h (__cns11643l14_to_ucs4_tab): Remove declaration. (__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab, __cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab, __cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New declarations. (cns11643_to_ucs4): Treat planes 3, 4, 5, 6, 7, 15 instead of 14. (__cns11643_from_ucs4_tab): Remove declaration. (__cns11643_from_ucs4p0_tab, __cns11643_from_ucs4p2_tab): New declarations. (ucs4_to_cns11643): Update for new arrays. Treat U+3400..U+4DFF and U+20000..U+2A6D6. * iconvdata/cns11643l2.h (__cns11643_from_ucs4_tab): Remove declaration. (__cns11643_from_ucs4p0_tab): New declaration. (ucs4_to_cns11643l2): Update for new arrays. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Handle planes 3 to 7. (BODY for TO_LOOP): Handle planes 3 to 7, instead of plane 14. * iconvdata/EUC-TW.irreversible: New file. * iconvdata/tst-table.sh: Use it. * iconvdata/Makefile (distribute): Add CP1255.irreversible, CP1258.irreversible, EUC-TW.irreversible. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * locale/C-translit.h.in: Add transliterations for new Unicode 3.1 mathematical symbols.
2001-06-06 12:55:46 +00:00
#include <limits.h>
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
int __ilogbf(float x)
#else
int __ilogbf(x)
float x;
#endif
{
int32_t hx,ix;
GET_FLOAT_WORD(hx,x);
hx &= 0x7fffffff;
if(hx<0x00800000) {
Update. 1997-11-18 02:31 Ulrich Drepper <drepper@cygnus.com> * iconv/Makefile: New file. * iconv/gconv.c: New file. * iconv/gconv.h: New file. * iconv/gconv_builtin.c: New file. * iconv/gconv_builtin.h: New file. * iconv/gconv_close.c: New file. * iconv/gconv_conf.c: New file. * iconv/gconv_db.c: New file. * iconv/gconv_dl.c: New file. * iconv/gconv_open.c: New file. * iconv/gconv_simple.c: New file. * iconv/iconv.c: New file. * iconv/iconv.h: New file. * iconv/iconv_close.c: New file. * iconv/iconv_open.c: New file. * include/gconv.h: New file. * Makeconfig: Define gconvdir. * Makefile (subdirs): Add iconv. * string/bits/string2.h: Add optimization for strtok_r. * sysdeps/generic/_G_config.h: Define __need_NULL to get definition for NULL. Reported by H.J. Lu <hjl@gnu.ai.mit.edu>. * configure.in: Correct test for bash2. * locale/Makefile (CFLAGS-charmap.c): Add -Wno-char-subscripts. (CFLAGS-locfile.c): Likewise. Suggested by Zack Weinberg <zack@rabi.phys.columbia.edu>. * misc/hsearch_r.c (hsearch_r): Avoid undefinitely search for non-existing entry if the table is full. * posix/regex.h: Pretty print. * stdio-common/printf_fp.c: Don't define NDEBUG if already defined. * sysdeps/posix/ctermid.c: Simplify a bit. * sysdeps/unix/sysv/linux/net/if.h: Pretty print. 1997-11-17 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/sys/quota.h: Add include for <sys/types.h> instead of <asm/types.h>. 1997-11-16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (asin_test): Add epsilon for asin (0.5). 1997-11-16 17:09 H.J. Lu <hjl@gnu.ai.mit.edu> * libc.map (_IO_stdin_, _IO_stdout_, _IO_stderr_, _IO_fopen, fopen, freopen, _IO_fclose, fclose): Added to GLIBC_2.0. (_IO_stdin_, _IO_stdout_, _IO_stderr_): Removed from GLIBC_2.1. (_IO_2_1_stdin_, _IO_2_1_stdout_, _IO_2_1_stderr_, _IO_fclose, fclose): Added to GLIBC_2.1. * libio/Makefile (routines, shared-only-routines): Add oldiofclose. Remove oldfreopen. * libio/freopen.c (freopen): When PIC is defined, call _IO_old_freopen () for old stdio. * libio/iofclose.c (_IO_new_fclose): Renamed from _IO_fclose. (_IO_fclose, fclose): Use _IO_new_fclose as default version for GLIBC_2.1. * libio/iolibio.h (_IO_old_freopen): Use _IO_old_file_close_it instead of _IO_file_close_it. * libio/libio.h (_IO_stdin_, _IO_stdout_, _IO_stderr_): Changed to _IO_2_1_stdxxx_. (_IO_stdin, _IO_stdout, _IO_stderr): Declare as extern if _LIBC * libio/libioP.h (_IO_old_do_flush): New. * libio/oldfileops.c (_IO_old_file_close_it, _IO_old_file_finish, _IO_old_file_overflow, _IO_old_file_sync): Call _IO_old_do_flush () instead of _IO_do_flush (). (_IO_old_file_xsputn): Call _IO_old_do_write () instead of _IO_do_write (). * libio/oldiofopen.c (_IO_old_fopen): Call _IO_old_file_init () instead of _IO_file_init (). Bind old symbols to version GLIBC_2.0. * libio/oldstdfiles.c (DEF_STDFILE): Don't use symbol_version. (_IO_old_stdin_, _IO_old_stdout_, _IO_old_stderr_): Changed to _IO_stdxxx_. (_IO_check_libio): New function in .init. * libio/oldiofclose.c: New file. * libio/stdfiles.c (_IO_new_stdin_, _IO_new_stdout_, _IO_new_stderr_): Changed to _IO_2_1_stdxxx_. (DEF_STDFILE): Don't use default_symbol_version. * libio/stdio.c (stdin, stdout, stderr): Set to _IO_2_1_stdxxx_._ (_IO_stdin, _IO_stdout, _IO_stderr): New, strong alias of stdxxx. * csu/Makefile (distribute): Add init.c. (extra-objs): Add init.o for ELF. (start-installed-name): Add $(objpfx)init.o. * csu/init.c: New file. 1997-11-12 08:02 H.J. Lu <hjl@gnu.ai.mit.edu> * elf/dl-lookup.c (do_lookup): Don't use the hidden base definition as the default. 1997-08-27 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de> * erand48_r.c (__erand48_r): Implement for 32 bit short int. 1997-11-15 Andreas Jaeger <aj@arthur.rhein-neckar.de> * elf/genrtldtbl.awk: Replace gensub for compatibility with gawk2 (PR 351). 1997-11-16 21:01 Philip Blundell <Philip.Blundell@pobox.com> * sysdeps/arm/sysdep.h: Use __APCS_32__ to decide whether or not to preserve condition codes on function call. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/generic/s_exp2l.c: Change exp2l to __ieee754_exp2l. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * math/libm-test.c (asin_test): Add epsilon for float. (tan_test): Add epsilon for float. (log1p_test): Add epsilon for float. (inverse_functions): Add epsilons. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [socket]: Add net/if_packet.h. * sysdeps/unix/sysv/linux/Dist: Add net/if_packet.h. 1997-11-10 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * md5-crypt/Makefile (extra-objs): Make recursively expanded variable, since $(object-suffixes) is not defined yet. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * db2/Makefile (distribute): db185/db185_int.src -> db185/db185_int.h. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * misc/tst-fdset.c: Don't require the value of FD_ISSET to be exactly one. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/generic/e_acoshl.c: Fix stub_warning: use the user level * sysdeps/generic/e_acosl.c: Likewise. * sysdeps/generic/e_asinl.c: Likewise. * sysdeps/generic/e_atan2l.c: Likewise. * sysdeps/generic/e_expl.c: Likewise. * sysdeps/generic/e_fmodl.c: Likewise. * sysdeps/generic/e_j0l.c: Likewise. * sysdeps/generic/e_j1l.c: Likewise. * sysdeps/generic/e_jnl.c: Likewise. * sysdeps/generic/e_lgammal_r.c: Likewise. * sysdeps/generic/e_log10l.c: Likewise. * sysdeps/generic/e_logl.c: Likewise. * sysdeps/generic/e_powl.c: Likewise. * sysdeps/generic/e_sqrtl.c: Likewise. * sysdeps/generic/e_exp2l.c: Likewise. 1997-11-11 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Make-dist (+sysdep-names): Remove extra paren. * Makefile (distribute): Add stub-tag.h. * elf/Makefile (distribute): Add atomicity.h. * stdlib/Makefile (headers): Add ucontext.h and sys/ucontext.h. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers) [$(subdir)=socket]: Add net/if_packet.h. * sysdeps/alpha/Dist: Remove setjmp_aux.c. * sysdeps/unix/sysv/linux/Dist: Add s_pread64.c, s_pwrite64.c, net/if_packet.h, scsi/sg.h. 1997-11-13 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (install): Quote $(CC) expansion. 1997-11-14 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/unix/sysv/linux/getcwd.c (__getcwd): Added caching of working /proc cwd and no restrictions on path length. Following some ideas from Andi Kleen <ak@muc.de> (PR 350). 1997-11-14 19:14 Thorsten Kukuk <kukuk@vt.uni-paderborn.de> * nis/nss_compat/compat-grp.c: Remove buggy assert call. 1997-11-14 22:23 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fdim.S: New file. * sysdeps/libm-i387/s_fdimf.S: New file. * sysdeps/libm-i387/s_fdiml.S: New file. * sysdeps/libm-i387/i686/s_fdim.S: New file. * sysdeps/libm-i387/i686/s_fdimf.S: New file. * sysdeps/libm-i387/i686/s_fdiml.S: New file. 1997-11-12 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * string/bits/string2.h (strstr): Avoid warning if HAYSTACK is a pointer to unsigned char. 1997-11-13 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_llrintf.c (__llrintf): Fix function. * sysdeps/libm-ieee754/s_lrintf.c (__lrintf): Fix function. * sysdeps/libm-ieee754/s_lrint.c (__lrint): Fix function. 1997-11-12 Andreas Jaeger <aj@arthur.rhein-neckar.de> * sysdeps/libm-ieee754/s_ilogbf.c: Correct return values for ilogb(0/NaN). * sysdeps/libm-ieee754/s_ilogbl.c: Likewise. * sysdeps/libm-ieee754/s_ilogb.c: Likewise. 1997-11-14 05:44 Ulrich Drepper <drepper@cygnus.com> * sysdeps/libm-i387/s_fmin.S: New file. * sysdeps/libm-i387/s_fminf.S: New file. * sysdeps/libm-i387/s_fminl.S: New file. * sysdeps/libm-i387/s_fmax.S: New file. * sysdeps/libm-i387/s_fmaxf.S: New file. * sysdeps/libm-i387/s_fmaxl.S: New file. * sysdeps/libm-i387/i686/s_fmin.S: New file. * sysdeps/libm-i387/i686/s_fminf.S: New file. * sysdeps/libm-i387/i686/s_fminl.S: New file. * sysdeps/libm-i387/i686/s_fmax.S: New file. * sysdeps/libm-i387/i686/s_fmaxf.S: New file. * sysdeps/libm-i387/i686/s_fmaxl.S: New file. 1997-11-14 03:06 Ulrich Drepper <drepper@cygnus.com> * sysdeps/unix/sysv/linux/accept.S: Add __libc_accept as alias. * sysdeps/unix/sysv/linux/send.S: Likewise. * sysdeps/unix/sysv/linux/recv.S: Likewise. * sysdeps/unix/sysv/linux/connect.S: Likewise. Reported by Christopher Wiles <wileyc@ai.cs.fujitsu.co.jp>. See ChangeLog.7 for earlier changes.
1997-11-18 02:50:07 +00:00
if(hx==0)
return FP_ILOGB0; /* ilogb(0) = FP_ILOGB0 */
else /* subnormal x */
for (ix = -126,hx<<=8; hx>0; hx<<=1) ix -=1;
return ix;
}
else if (hx<0x7f800000) return (hx>>23)-127;
Update. 2001-06-04 Bruno Haible <haible@clisp.cons.org> * iconv/loop.c (UNICODE_TAG_HANDLER): New macro. * iconv/gconv_simple.c (__gconv_transform_internal_ascii): Invoke UNICODE_TAG_HANDLER. (__gconv_transform_internal_ucs2): Likewise. (__gconv_transform_internal_ucs2reverse): Likewise. * iconvdata/8bit-gap.c (BODY for TO_LOOP): Invoke UNICODE_TAG_HANDLER. * iconvdata/8bit-generic.c (BODY for TO_LOOP): Likewise. * iconvdata/ansi_x3.110.c (BODY for TO_LOOP): Likewise. * iconvdata/big5.c (BODY for TO_LOOP): Likewise. * iconvdata/big5hkscs.c (BODY for TO_LOOP): Likewise. * iconvdata/cp1255.c (BODY for TO_LOOP): Likewise. * iconvdata/cp1258.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-cn.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-jp.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-kr.c (BODY for TO_LOOP): Likewise. * iconvdata/euc-tw.c (BODY for TO_LOOP): Likewise. * iconvdata/gbk.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm930.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm932.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm933.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm935.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm937.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm939.c (BODY for TO_LOOP): Likewise. * iconvdata/ibm943.c (BODY for TO_LOOP): Likewise. * iconvdata/iso646.c (BODY for TO_LOOP): Likewise. * iconvdata/iso8859-1.c (BODY for TO_LOOP): Likewise. * iconvdata/iso_6937.c (BODY for TO_LOOP): Likewise. * iconvdata/iso_6937-2.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-cn.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-cn-ext.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-kr.c (BODY for TO_LOOP): Likewise. * iconvdata/johab.c (BODY for TO_LOOP): Likewise. * iconvdata/sjis.c (BODY for TO_LOOP): Likewise. * iconvdata/t.61.c (BODY for TO_LOOP): Likewise. * iconvdata/uhc.c (BODY for TO_LOOP): Likewise. * iconvdata/unicode.c (BODY for TO_LOOP): Likewise. * iconvdata/iso-2022-jp.c (TAG_none, TAG_language, TAG_language_j, TAG_language_ja, TAG_language_k, TAG_language_ko, TAG_language_z, TAG_language_zh, CURRENT_TAG_MASK): New enum values. (EMIT_SHIFT_TO_INIT): Don't emit an escape sequence if ASCII_set is already selected but set2 or tag are set. (conversion): New enum type. (cvlist_t): New type. (CVLIST, CVLIST_FIRST, CVLIST_REST): New macros. (conversion_lists): New array. (BODY for TO_LOOP): Keep track of Unicode 3.1 language tag. If "ja", prefer conversion to Japanese character sets. If "zh", prefer conversion to GB2312. If "ko", prefer conversion to KSC5601. Small optimizations. (INIT_PARAMS): Add tag. (UPDATE_PARAMS): Add tag. 2001-06-04 Bruno Haible <haible@clisp.cons.org> * locale/programs/locfile.c (write_locale_data): Before creat(), unlink the file, to avoid crashing the processes that mmap it. Change a double slash to a single slash. Free fname in case of error return. 2001-06-02 Jakub Jelinek <jakub@redhat.com> * sysdeps/i386/fpu/s_frexpl.S (__frexpl): Mostly revert 2000-12-03 changes, do the special handling for denormal numbers, not for normalized numbers (patch by <trevin@xmission.com>). * math/test-misc.c (main): Test frexpl with denormal arguments. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/libm-test.inc (llround_test): Add two new llround tests. * sysdeps/ieee754/ldbl-96/s_llroundl.c (__llroundl): Don't allow overflow when rounding away from zero. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/Makefile (libm-calls): Add e_log2, w_log2, remove s_log2. * math/math_private.h (__ieee754_log2, __ieee754_log2f, __ieee754_log2l): New prototypes. * sysdeps/generic/w_log2.c: New file. * sysdeps/generic/w_log2f.c: New file. * sysdeps/generic/w_log2l.c: New file. * sysdeps/generic/s_log2l.c: Move... * sysdeps/generic/e_log2l.c: ...to here. Rename to __ieee754_log2l. * sysdeps/ieee754/k_standard.c (__kernel_standard): Handle log2(0) and log2(x < 0). * sysdeps/i386/fpu/s_log2.S: Move... * sysdeps/i386/fpu/e_log2.S: ...to here. Rename to __ieee754_log2. * sysdeps/i386/fpu/s_log2f.S: Move... * sysdeps/i386/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f. * sysdeps/i386/fpu/s_log2l.S: Move... * sysdeps/i386/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l. * sysdeps/m68k/fpu/s_log2.S: Move... * sysdeps/m68k/fpu/e_log2.S: ...to here. Rename to __ieee754_log2. * sysdeps/m68k/fpu/s_log2f.S: Move... * sysdeps/m68k/fpu/e_log2f.S: ...to here. Rename to __ieee754_log2f. * sysdeps/m68k/fpu/s_log2l.S: Move... * sysdeps/m68k/fpu/e_log2l.S: ...to here. Rename to __ieee754_log2l. * sysdeps/ieee754/dbl-64/s_log2.c: Move... * sysdeps/ieee754/dbl-64/e_log2.c: ...to here. Rename to __ieee754_log2. * sysdeps/ieee754/flt-32/s_log2f.c: Move... * sysdeps/ieee754/flt-32/e_log2f.c: ...to here. Rename to __ieee754_log2f. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/generic/w_exp2.c (u_threshold): Lower threshold so that even arguments which result in denormalized exp2 are accepted. (__exp2): Arguments equal to u_threshold already result into underflow. * sysdeps/generic/w_exp2f.c (u_threshold, __exp2f): Likewise. * sysdeps/generic/w_exp2l.c (u_threshold, __exp2l): Likewise. * sysdeps/ieee754/dbl-64/e_exp2.c (__ieee754_exp2): Lomark was too low, with corrected lowmark use greaterequal, not greater. * sysdeps/ieee754/flt-32/e_exp2f.c (__ieee754_exp2f): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * math/libm-test.inc (ilogb_test): Test that ilogb(+-Inf) == INT_MAX. * sysdeps/i386/fpu/s_ilogb.S (__ilogb): Return INT_MAX for +-Inf. * sysdeps/i386/fpu/s_ilogbf.S (__ilogbf): Likewise. * sysdeps/i386/fpu/s_ilogbl.S (__ilogbl): Likewise. * sysdeps/ieee754/dbl-64/s_ilogb.c (__ilogb): Likewise. * sysdeps/ieee754/flt-32/s_ilogbf.c (__ilogbf): Likewise. * sysdeps/ieee754/ldbl-128/s_ilogbl.c (__ilogbl): Likewise. * sysdeps/ieee754/ldbl-96/s_ilogbl.c (__ilogbl): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/generic/w_coshl.c (__coshl): Test if finite argument gave non-finite result instead of using constant in generic version. * sysdeps/generic/w_coshf.c (__coshf): Likewise. * sysdeps/generic/w_cosh.c (__cosh): Likewise. * sysdeps/generic/w_exp10.c (o_threshold, u_threshold): Remove. (__exp10): Test if finite argument gave non-finite result. * sysdeps/generic/w_exp10f.c (o_threshold, u_threshold, __exp10f): Likewise. * sysdeps/generic/w_exp10l.c (o_threshold, u_threshold, __exp10l): Likewise. 2001-06-04 Jakub Jelinek <jakub@redhat.com> * sysdeps/ieee754/ldbl-96/e_coshl.c (__ieee754_coshl): Fix overflow threshold constant (log(LDBL_MAX)+M_LN2l). 2001-05-29 Bruno Haible <haible@clisp.cons.org> * locale/programs/ld-ctype.c (idx_table): New struct type. (idx_table_init, idx_table_get, idx_table_add): New functions. (MAX_CHARNAMES_IDX): Remove macro. (locale_ctype_t): Change type of charnames_idx field. (ctype_startup): Change initialization of charnames_idx field. (find_idx): Use idx_table_get and idx_table_add for speed. * locale/programs/charmap.c (charmap_new_char): Fix ucs4 value computation of characters in a range. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * iconvdata/gb18030.c (__fourbyte_to_ucs1): Add mappings for <U03F4>, <U03F5>. (__ucs_to_gb18030_tab1): Likewise. (BODY for FROM_LOOP): Add mapping for <U00010000>..<U0010FFFF>. (BODY for TO_LOOP): Likewise. * iconvdata/tst-table-charmap.sh: Update for charmaps containing <U00xxxxxx> syntax. * iconvdata/tst-table-from.c (bmp_only): New variable. (utf8_decode): If bmp_only, don't return characters outside Unicode plane 0. (main): When testing UTF-8 or GB18030, set bmp_only to 1. Don't print a conversion line if utf8_decode returns NULL. * iconvdata/tst-table-to.c (main): When testing encodings other than UTF-8 and GB18030, loop upto U+30000 instead of U+10000. Use UTF-8 instead of UCS-2 as input. * iconvdata/tst-table.sh: For GB18030, use only the part < 0x10000 of the charmap. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * iconvdata/cns11643l1.c: Update to Unicode 3.1. (__cns11643l1_to_ucs4_tab): Regenerated. (__cns11643l1_from_ucs4_tab12): Regenerated. * iconvdata/cns11643.c: Update to Unicode 3.1. (__cns11643l14_to_ucs4_tab): Remove array. (__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab, __cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab, __cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New arrays. (__cns11643_from_ucs4p0_tab): Renamed from __cns11643_from_ucs4_tab. (__cns11643_from_ucs4p2_tab): New array. * iconvdata/cns11643.h (__cns11643l14_to_ucs4_tab): Remove declaration. (__cns11643l3_to_ucs4_tab, __cns11643l4_to_ucs4_tab, __cns11643l5_to_ucs4_tab, __cns11643l6_to_ucs4_tab, __cns11643l7_to_ucs4_tab, __cns11643l15_to_ucs4_tab): New declarations. (cns11643_to_ucs4): Treat planes 3, 4, 5, 6, 7, 15 instead of 14. (__cns11643_from_ucs4_tab): Remove declaration. (__cns11643_from_ucs4p0_tab, __cns11643_from_ucs4p2_tab): New declarations. (ucs4_to_cns11643): Update for new arrays. Treat U+3400..U+4DFF and U+20000..U+2A6D6. * iconvdata/cns11643l2.h (__cns11643_from_ucs4_tab): Remove declaration. (__cns11643_from_ucs4p0_tab): New declaration. (ucs4_to_cns11643l2): Update for new arrays. * iconvdata/iso-2022-cn-ext.c (BODY for FROM_LOOP): Handle planes 3 to 7. (BODY for TO_LOOP): Handle planes 3 to 7, instead of plane 14. * iconvdata/EUC-TW.irreversible: New file. * iconvdata/tst-table.sh: Use it. * iconvdata/Makefile (distribute): Add CP1255.irreversible, CP1258.irreversible, EUC-TW.irreversible. 2001-05-29 Bruno Haible <haible@clisp.cons.org> * locale/C-translit.h.in: Add transliterations for new Unicode 3.1 mathematical symbols.
2001-06-06 12:55:46 +00:00
else if (FP_ILOGBNAN != INT_MAX) {
/* ISO C99 requires ilogbf(+-Inf) == INT_MAX. */
if (hx==0x7f800000)
return INT_MAX;
}
return FP_ILOGBNAN;
}
weak_alias (__ilogbf, ilogbf)