glibc/math/e_scalb.c

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/* @(#)e_scalb.c 5.1 93/09/24 */
/*
* ====================================================
* 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
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: e_scalb.c,v 1.6 1995/05/10 20:46:09 jtc Exp $";
#endif
/*
* __ieee754_scalb(x, fn) is provide for
* passing various standard test suite. One
* should use scalbn() instead.
*/
#include <fenv.h>
2005-12-14 16:06:39 +01:00
#include <math.h>
#include "math_private.h"
#ifdef _SCALB_INT
#ifdef __STDC__
double __ieee754_scalb(double x, int fn)
#else
double __ieee754_scalb(x,fn)
double x; int fn;
#endif
#else
#ifdef __STDC__
double __ieee754_scalb(double x, double fn)
#else
double __ieee754_scalb(x,fn)
double x, fn;
#endif
#endif
{
#ifdef _SCALB_INT
Update. 1997-04-21 13:25 Ulrich Drepper <drepper@cygnus.com> * manual/arith.texi: Add description for INFINITY, _Imaginary_I, fpclassify & friends, and complex number operations. Update various other math functions for ISO C 9X. * manual/math.texi: Update various entries for ISO C 9X. Add description for complex number functions. Add description of rand48 function family. * manual/string.h: Add description of a64l and l64a. * math/cmathcalls.h: Fix typo. * stdlib/a64l.c: Pretty printing. * stdlib/seed48_r.c: Also reset `a' and `c' to default values. * stdlib/srand48_r.c: Likewise. * stdlib/stdlib.h: Pretty printing. * sysdeps/i386/fpu/__math.h: Fix typo. * sysdeps/libm-ieee754/s_nearbyintf.c: Correctly name function. * sysdeps/libm-ieee754/s_nearbyintl.c: Likewise. 1997-04-19 22:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/e_pow.c: Rewrite handling of integral exponent. 1997-04-18 19:34 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Define optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered. 1997-04-20 01:28 Richard Henderson <rth@tamu.edu> * rellns-sh: Handle files in the same directory correctly. 1997-04-20 11:22 Ulrich Drepper <drepper@cygnus.com> * csu/initfini.c: Place ALIGN instruction at correct positions. Patch by Richard Henderson <richard@twiddle.rth.home>. 1997-04-19 17:12 Ulrich Drepper <drepper@cygnus.com> * Make-dist: Don't automatically ignore .c files if the .S or .s file is ignored. * csu/Makefile (distribute): Add defs.awk. 1997-04-19 15:39 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/shmat.c: Update to XPG4.2 interface. * sysdeps/stub/shmdt.c: Likewise. Reported by Thomas Bushnell, n/BSG. 1997-04-19 13:22 Ulrich Drepper <drepper@cygnus.com> * manual/stdio.texi: Add description of printf_size and printf_size_info. Partly based on the documentation by Larry McVoy. 1997-04-19 02:21 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf_size.c (printf_size): Correct values for `units'. Report by Larry McVoy <lm@neteng.engr.sgi.com>. * stdio-common/tst-printfsz.c: New file. * stdio-common/Makefile (tests): Add tst-printfsz.c. (CFLAGS-tst-printfsz.c): Define to prevent warnings about format strings. 1997-04-18 15:48 Ulrich Drepper <drepper@cygnus.com> * login/utmp.h: Add prototype for updwtmp. * login/logwtmp.c: Add new function updwtmp which allows to write a complete record to the wtmp file. Patch by Miquel van Smoorenburg <miquels@cistron.nl>. 1997-04-17 17:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (headers): Add mathbits.h. 1997-04-16 21:20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Add inlined sincos{,l,f}. * sysdeps/m68k/fpu/s_sincos.c: New file. * sysdeps/m68k/fpu/s_sincosf.c: New file. * sysdeps/m68k/fpu/s_sincosl.c: New file. * sysdeps/libm-ieee754/e_scalb.c: Use internal names of the functions. * sysdeps/libm-ieee754/e_scalbl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Use isfinite instead of finite. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_ctan.c: Likewise. * sysdeps/libm-ieee754/s_ctanf.c: Likewise. * sysdeps/libm-ieee754/s_ctanl.c: Likewise. Fix type of `res'. 1997-04-18 11:21 Ulrich Drepper <drepper@cygnus.com> * shadow/fgetspent_r.c: Set *RESULT to NULL before returning error. Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>.
1997-04-21 13:38:46 +02:00
return __scalbn(x,fn);
#else
Update. 1997-04-21 13:25 Ulrich Drepper <drepper@cygnus.com> * manual/arith.texi: Add description for INFINITY, _Imaginary_I, fpclassify & friends, and complex number operations. Update various other math functions for ISO C 9X. * manual/math.texi: Update various entries for ISO C 9X. Add description for complex number functions. Add description of rand48 function family. * manual/string.h: Add description of a64l and l64a. * math/cmathcalls.h: Fix typo. * stdlib/a64l.c: Pretty printing. * stdlib/seed48_r.c: Also reset `a' and `c' to default values. * stdlib/srand48_r.c: Likewise. * stdlib/stdlib.h: Pretty printing. * sysdeps/i386/fpu/__math.h: Fix typo. * sysdeps/libm-ieee754/s_nearbyintf.c: Correctly name function. * sysdeps/libm-ieee754/s_nearbyintl.c: Likewise. 1997-04-19 22:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/e_pow.c: Rewrite handling of integral exponent. 1997-04-18 19:34 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Define optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered. 1997-04-20 01:28 Richard Henderson <rth@tamu.edu> * rellns-sh: Handle files in the same directory correctly. 1997-04-20 11:22 Ulrich Drepper <drepper@cygnus.com> * csu/initfini.c: Place ALIGN instruction at correct positions. Patch by Richard Henderson <richard@twiddle.rth.home>. 1997-04-19 17:12 Ulrich Drepper <drepper@cygnus.com> * Make-dist: Don't automatically ignore .c files if the .S or .s file is ignored. * csu/Makefile (distribute): Add defs.awk. 1997-04-19 15:39 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/shmat.c: Update to XPG4.2 interface. * sysdeps/stub/shmdt.c: Likewise. Reported by Thomas Bushnell, n/BSG. 1997-04-19 13:22 Ulrich Drepper <drepper@cygnus.com> * manual/stdio.texi: Add description of printf_size and printf_size_info. Partly based on the documentation by Larry McVoy. 1997-04-19 02:21 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf_size.c (printf_size): Correct values for `units'. Report by Larry McVoy <lm@neteng.engr.sgi.com>. * stdio-common/tst-printfsz.c: New file. * stdio-common/Makefile (tests): Add tst-printfsz.c. (CFLAGS-tst-printfsz.c): Define to prevent warnings about format strings. 1997-04-18 15:48 Ulrich Drepper <drepper@cygnus.com> * login/utmp.h: Add prototype for updwtmp. * login/logwtmp.c: Add new function updwtmp which allows to write a complete record to the wtmp file. Patch by Miquel van Smoorenburg <miquels@cistron.nl>. 1997-04-17 17:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (headers): Add mathbits.h. 1997-04-16 21:20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Add inlined sincos{,l,f}. * sysdeps/m68k/fpu/s_sincos.c: New file. * sysdeps/m68k/fpu/s_sincosf.c: New file. * sysdeps/m68k/fpu/s_sincosl.c: New file. * sysdeps/libm-ieee754/e_scalb.c: Use internal names of the functions. * sysdeps/libm-ieee754/e_scalbl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Use isfinite instead of finite. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_ctan.c: Likewise. * sysdeps/libm-ieee754/s_ctanf.c: Likewise. * sysdeps/libm-ieee754/s_ctanl.c: Likewise. Fix type of `res'. 1997-04-18 11:21 Ulrich Drepper <drepper@cygnus.com> * shadow/fgetspent_r.c: Set *RESULT to NULL before returning error. Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>.
1997-04-21 13:38:46 +02:00
if (__isnan(x)||__isnan(fn)) return x*fn;
if (!__finite(fn)) {
if(fn>0.0) return x*fn;
Update. 1997-06-23 23:39 Ulrich Drepper <drepper@cygnus.com> * string/Makefile (headers): Change bytesex.h to bits/endian.h. * sysdeps/generic/Makefile: Don't try to generate bytesex.h, but bits/endian.h. * math/libm-test.c (lgamma_test): Make sure the test of the ilogb function will not fail because of exceptions. * math/math.h: Add warning about use of M_* constants. Pretty print. 1997-06-23 11:36 Andreas Jaeger <aj@arthur.rhein-neckar.de> * hurd/path-lookup.c: Change GPL to LGPL, update and reformat copyright, remove trailing white spaces and send through unexpand. * inet/netinet/icmp6.h: Likewise. * inet/netinet/in.h: Likewise. * inet/netinet/ip6.h: Likewise. * locale/programs/xmalloc.c: Likewise. * locale/programs/xstrdup.c: Likewise. * sysdeps/generic/make_siglist.c: Likewise. * sysdeps/generic/morecore.c: Likewise. * sysdeps/generic/sbrk.c: Likewise. * sysdeps/generic/signame.c: Likewise. * sysdeps/generic/signame.h: Likewise. * sysdeps/generic/netinet/inbits.h: Likewise. * sysdeps/posix/getpagesize.c: Likewise. * sysdeps/unix/errnos-tmpl.c: Likewise. * sysdeps/unix/getpagesize.c: Likewise. * sysdeps/unix/make_errlist.c: Likewise. * sysdeps/unix/mkfifo.c: Likewise. * sysdeps/unix/nlist.c: Likewise. * sysdeps/unix/start.c: Likewise. * sysdeps/unix/sysv/linux/netinet/inbits.h: Likewise. * munch-tmpl.c: Update and reformat copyright, remove trailing white spaces and send through unexpand. * libio/clearerr_u.c: Likewise. * libio/memstream.c: Likewise. * libio/putc_u.c: Likewise. * libio/putchar_u.c: Likewise. * stdio-common/scanf.c: Likewise. * stdlib/longlong.h: Likewise. * sysdeps/alpha/__longjmp.c: Likewise. * sysdeps/alpha/divrem.h: Likewise. * sysdeps/alpha/machine-gmon.h: Likewise. * sysdeps/alpha/setjmp_aux.c: Likewise. * sysdeps/alpha/bits/setjmp.h: Likewise. * sysdeps/arm/fpu_control.h: Likewise. * sysdeps/generic/_strerror.c: Likewise. * sysdeps/generic/det_endian.c: Likewise. * sysdeps/generic/fdatasync.c: Likewise. * sysdeps/generic/fpu_control.c: Likewise. * sysdeps/generic/ftime.c: Likewise. * sysdeps/generic/getdomain.c: Likewise. * sysdeps/generic/group_member.c: Likewise. * sysdeps/generic/ldiv.c: Likewise. * sysdeps/generic/lldiv.c: Likewise. * sysdeps/generic/lxstat.c: Likewise. * sysdeps/generic/memcmp.c: Likewise. * sysdeps/generic/memmem.c: Likewise. * sysdeps/generic/mig-reply.c: Likewise. * sysdeps/generic/pagecopy.h: Likewise. * sysdeps/generic/profil-counter.h: Likewise. * sysdeps/generic/pselect.c: Likewise. * sysdeps/generic/setfpucw.c: Likewise. * sysdeps/generic/stpcpy.c: Likewise. * sysdeps/generic/uname.c: Likewise. * sysdeps/generic/varargs.h: Likewise. * sysdeps/generic/vlimit.c: Likewise. * sysdeps/generic/bits/sigaction.h: Likewise. * sysdeps/generic/bits/ustat.h: Likewise. * sysdeps/generic/netinet/if_ether.h: Likewise. * sysdeps/generic/sys/swap.h: Likewise. * sysdeps/generic/sys/sysinfo.h: Likewise. * sysdeps/i386/init-first.c: Likewise. * sysdeps/i386/ldbl2mpn.c: Likewise. * sysdeps/i386/memcopy.h: Likewise. * sysdeps/i386/i586/memcopy.h: Likewise. * sysdeps/i860/memcopy.h: Likewise. * sysdeps/m68k/__longjmp.c: Likewise. * sysdeps/m68k/fpu_control.h: Likewise. * sysdeps/m68k/memcopy.h: Likewise. * sysdeps/m68k/s_isinfl.c: Likewise. * sysdeps/m68k/s_isnanl.c: Likewise. * sysdeps/m68k/setjmp.c: Likewise. * sysdeps/mach/_strerror.c: Likewise. * sysdeps/mach/getsysstats.c: Likewise. * sysdeps/mach/mprotect.c: Likewise. * sysdeps/mach/munmap.c: Likewise. * sysdeps/mach/pagecopy.h: Likewise. * sysdeps/mach/start.c: Likewise. * sysdeps/mach/sysdep.h: Likewise. * sysdeps/mach/alpha/machine-lock.h: Likewise. * sysdeps/mach/alpha/machine-sp.h: Likewise. * sysdeps/mach/alpha/sysdep.h: Likewise. * sysdeps/mach/alpha/thread_state.h: Likewise. * sysdeps/mach/hppa/machine-lock.h: Likewise. * sysdeps/mach/hurd/access.c: Likewise. * sysdeps/mach/hurd/closedir.c: Likewise. * sysdeps/mach/hurd/dirstream.h: Likewise. * sysdeps/mach/hurd/dl-cache.c: Likewise. * sysdeps/mach/hurd/euidaccess.c: Likewise. * sysdeps/mach/hurd/fdatasync.c: Likewise. * sysdeps/mach/hurd/fexecve.c: Likewise. * sysdeps/mach/hurd/fork.c: Likewise. * sysdeps/mach/hurd/fpathconf.c: Likewise. * sysdeps/mach/hurd/fstatfs.c: Likewise. * sysdeps/mach/hurd/fxstat.c: Likewise. * sysdeps/mach/hurd/getcwd.c: Likewise. * sysdeps/mach/hurd/getpriority.c: Likewise. * sysdeps/mach/hurd/getrlimit.c: Likewise. * sysdeps/mach/hurd/getsid.c: Likewise. * sysdeps/mach/hurd/group_member.c: Likewise. * sysdeps/mach/hurd/kill.c: Likewise. * sysdeps/mach/hurd/lchown.c: Likewise. * sysdeps/mach/hurd/lxstat.c: Likewise. * sysdeps/mach/hurd/mig-reply.c: Likewise. * sysdeps/mach/hurd/mmap.c: Likewise. * sysdeps/mach/hurd/opendir.c: Likewise. * sysdeps/mach/hurd/pathconf.c: Likewise. * sysdeps/mach/hurd/profil.c: Likewise. * sysdeps/mach/hurd/ptrace.c: Likewise. * sysdeps/mach/hurd/readdir.c: Likewise. * sysdeps/mach/hurd/readdir_r.c: Likewise. * sysdeps/mach/hurd/send.c: Likewise. * sysdeps/mach/hurd/sendto.c: Likewise. * sysdeps/mach/hurd/setpriority.c: Likewise. * sysdeps/mach/hurd/statfs.c: Likewise. * sysdeps/mach/hurd/ttyname.c: Likewise. * sysdeps/mach/hurd/uname.c: Likewise. * sysdeps/mach/hurd/xstat.c: Likewise. * sysdeps/mach/hurd/alpha/exc2signal.c: Likewise. * sysdeps/mach/hurd/alpha/longjmp-ts.c: Likewise. * sysdeps/mach/hurd/alpha/sigreturn.c: Likewise. * sysdeps/mach/hurd/alpha/trampoline.c: Likewise. * sysdeps/mach/hurd/alpha/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/hppa/trampoline.c: Likewise. * sysdeps/mach/hurd/hppa/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/i386/exc2signal.c: Likewise. * sysdeps/mach/hurd/i386/intr-msg.h: Likewise. * sysdeps/mach/hurd/i386/longjmp-ts.c: Likewise. * sysdeps/mach/hurd/i386/sigreturn.c: Likewise. * sysdeps/mach/hurd/i386/trampoline.c: Likewise. * sysdeps/mach/hurd/i386/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/mips/bits/sigcontext.h: Likewise. * sysdeps/mach/hurd/sys/param.h: Likewise. * sysdeps/mach/i386/machine-lock.h: Likewise. * sysdeps/mach/i386/machine-sp.h: Likewise. * sysdeps/mach/i386/sysdep.h: Likewise. * sysdeps/mach/i386/thread_state.h: Likewise. * sysdeps/posix/dup2.c: Likewise. * sysdeps/posix/flock.c: Likewise. * sysdeps/posix/getdtsz.c: Likewise. * sysdeps/posix/gettimeofday.c: Likewise. * sysdeps/posix/isatty.c: Likewise. * sysdeps/posix/killpg.c: Likewise. * sysdeps/posix/mk-stdiolim.c: Likewise. * sysdeps/posix/profil.c: Likewise. * sysdeps/posix/remove.c: Likewise. * sysdeps/posix/rename.c: Likewise. * sysdeps/posix/sigsuspend.c: Likewise. * sysdeps/posix/tempname.c: Likewise. * sysdeps/posix/truncate.c: Likewise. * sysdeps/posix/utimes.c: Likewise. * sysdeps/posix/wait.c: Likewise. * sysdeps/posix/wait3.c: Likewise. * sysdeps/rs6000/memcopy.h: Likewise. * sysdeps/sparc/memcopy.h: Likewise. * sysdeps/standalone/close.c: Likewise. * sysdeps/standalone/dirstream.h: Likewise. * sysdeps/standalone/filedesc.h: Likewise. * sysdeps/standalone/open.c: Likewise. * sysdeps/standalone/read.c: Likewise. * sysdeps/standalone/standalone.h: Likewise. * sysdeps/standalone/write.c: Likewise. * sysdeps/standalone/bits/stdio_lim.h: Likewise. * sysdeps/standalone/i386/i386.h: Likewise. * sysdeps/standalone/m68k/m68020/m68020.h: Likewise. * sysdeps/stub/__longjmp.c: Likewise. * sysdeps/stub/accept.c: Likewise. * sysdeps/stub/access.c: Likewise. * sysdeps/stub/acct.c: Likewise. * sysdeps/stub/adjtime.c: Likewise. * sysdeps/stub/alarm.c: Likewise. * sysdeps/stub/bind.c: Likewise. * sysdeps/stub/brk.c: Likewise. * sysdeps/stub/bsd-_setjmp.c: Likewise. * sysdeps/stub/bsd-setjmp.c: Likewise. * sysdeps/stub/chdir.c: Likewise. * sysdeps/stub/chflags.c: Likewise. * sysdeps/stub/chmod.c: Likewise. * sysdeps/stub/chown.c: Likewise. * sysdeps/stub/chroot.c: Likewise. * sysdeps/stub/clock.c: Likewise. * sysdeps/stub/close.c: Likewise. * sysdeps/stub/closedir.c: Likewise. * sysdeps/stub/connect.c: Likewise. * sysdeps/stub/ctermid.c: Likewise. * sysdeps/stub/cuserid.c: Likewise. * sysdeps/stub/dbl2mpn.c: Likewise. * sysdeps/stub/dirstream.h: Likewise. * sysdeps/stub/dup.c: Likewise. * sysdeps/stub/dup2.c: Likewise. * sysdeps/stub/exc2signal.c: Likewise. * sysdeps/stub/execve.c: Likewise. * sysdeps/stub/fchflags.c: Likewise. * sysdeps/stub/fchown.c: Likewise. * sysdeps/stub/fcntl.c: Likewise. * sysdeps/stub/fdopen.c: Likewise. * sysdeps/stub/fexecve.c: Likewise. * sysdeps/stub/flock.c: Likewise. * sysdeps/stub/fork.c: Likewise. * sysdeps/stub/fpathconf.c: Likewise. * sysdeps/stub/fpu_control.h: Likewise. * sysdeps/stub/fstatfs.c: Likewise. * sysdeps/stub/fsync.c: Likewise. * sysdeps/stub/ftruncate.c: Likewise. * sysdeps/stub/fxstat.c: Likewise. * sysdeps/stub/getcwd.c: Likewise. * sysdeps/stub/getdomain.c: Likewise. * sysdeps/stub/getdtsz.c: Likewise. * sysdeps/stub/getegid.c: Likewise. * sysdeps/stub/geteuid.c: Likewise. * sysdeps/stub/getgid.c: Likewise. * sysdeps/stub/getgroups.c: Likewise. * sysdeps/stub/gethostid.c: Likewise. * sysdeps/stub/gethostname.c: Likewise. * sysdeps/stub/getitimer.c: Likewise. * sysdeps/stub/getpeername.c: Likewise. * sysdeps/stub/getpgid.c: Likewise. * sysdeps/stub/getpid.c: Likewise. * sysdeps/stub/getppid.c: Likewise. * sysdeps/stub/getpriority.c: Likewise. * sysdeps/stub/getrlimit.c: Likewise. * sysdeps/stub/getrusage.c: Likewise. * sysdeps/stub/getsid.c: Likewise. * sysdeps/stub/getsockname.c: Likewise. * sysdeps/stub/getsockopt.c: Likewise. * sysdeps/stub/getsysstats.c: Likewise. * sysdeps/stub/gettimeofday.c: Likewise. * sysdeps/stub/getuid.c: Likewise. * sysdeps/stub/gtty.c: Likewise. * sysdeps/stub/if_index.c: Likewise. * sysdeps/stub/init-posix.c: Likewise. * sysdeps/stub/ioctl.c: Likewise. * sysdeps/stub/isatty.c: Likewise. * sysdeps/stub/isfdtype.c: Likewise. * sysdeps/stub/jmp-unwind.c: Likewise. * sysdeps/stub/kill.c: Likewise. * sysdeps/stub/killpg.c: Likewise. * sysdeps/stub/ldbl2mpn.c: Likewise. * sysdeps/stub/link.c: Likewise. * sysdeps/stub/listen.c: Likewise. * sysdeps/stub/lockfile.c: Likewise. * sysdeps/stub/longjmp-ts.c: Likewise. * sysdeps/stub/lseek.c: Likewise. * sysdeps/stub/lxstat.c: Likewise. * sysdeps/stub/machine-lock.h: Likewise. * sysdeps/stub/machine-sp.h: Likewise. * sysdeps/stub/madvise.c: Likewise. * sysdeps/stub/mkdir.c: Likewise. * sysdeps/stub/mkfifo.c: Likewise. * sysdeps/stub/mmap.c: Likewise. * sysdeps/stub/morecore.c: Likewise. * sysdeps/stub/mpn2dbl.c: Likewise. * sysdeps/stub/mpn2flt.c: Likewise. * sysdeps/stub/mpn2ldbl.c: Likewise. * sysdeps/stub/mprotect.c: Likewise. * sysdeps/stub/msgctl.c: Likewise. * sysdeps/stub/msgget.c: Likewise. * sysdeps/stub/msgrcv.c: Likewise. * sysdeps/stub/msgsnd.c: Likewise. * sysdeps/stub/munmap.c: Likewise. * sysdeps/stub/nanosleep.c: Likewise. * sysdeps/stub/nice.c: Likewise. * sysdeps/stub/nlist.c: Likewise. * sysdeps/stub/open.c: Likewise. * sysdeps/stub/opendir.c: Likewise. * sysdeps/stub/pathconf.c: Likewise. * sysdeps/stub/pause.c: Likewise. * sysdeps/stub/pipestream.c: Likewise. * sysdeps/stub/poll.c: Likewise. * sysdeps/stub/profil.c: Likewise. * sysdeps/stub/ptrace.c: Likewise. * sysdeps/stub/putenv.c: Likewise. * sysdeps/stub/read.c: Likewise. * sysdeps/stub/readdir.c: Likewise. * sysdeps/stub/readdir_r.c: Likewise. * sysdeps/stub/readlink.c: Likewise. * sysdeps/stub/reboot.c: Likewise. * sysdeps/stub/recv.c: Likewise. * sysdeps/stub/recvfrom.c: Likewise. * sysdeps/stub/recvmsg.c: Likewise. * sysdeps/stub/remove.c: Likewise. * sysdeps/stub/rename.c: Likewise. * sysdeps/stub/revoke.c: Likewise. * sysdeps/stub/rewinddir.c: Likewise. * sysdeps/stub/rmdir.c: Likewise. * sysdeps/stub/sbrk.c: Likewise. * sysdeps/stub/sched_getp.c: Likewise. * sysdeps/stub/sched_gets.c: Likewise. * sysdeps/stub/sched_primax.c: Likewise. * sysdeps/stub/sched_primin.c: Likewise. * sysdeps/stub/sched_rr_gi.c: Likewise. * sysdeps/stub/sched_setp.c: Likewise. * sysdeps/stub/sched_sets.c: Likewise. * sysdeps/stub/sched_yield.c: Likewise. * sysdeps/stub/seekdir.c: Likewise. * sysdeps/stub/select.c: Likewise. * sysdeps/stub/semctl.c: Likewise. * sysdeps/stub/semget.c: Likewise. * sysdeps/stub/semop.c: Likewise. * sysdeps/stub/send.c: Likewise. * sysdeps/stub/sendmsg.c: Likewise. * sysdeps/stub/sendto.c: Likewise. * sysdeps/stub/setdomain.c: Likewise. * sysdeps/stub/setegid.c: Likewise. * sysdeps/stub/setenv.c: Likewise. * sysdeps/stub/seteuid.c: Likewise. * sysdeps/stub/setgid.c: Likewise. * sysdeps/stub/setgroups.c: Likewise. * sysdeps/stub/sethostid.c: Likewise. * sysdeps/stub/sethostname.c: Likewise. * sysdeps/stub/setjmp.c: Likewise. * sysdeps/stub/setlogin.c: Likewise. * sysdeps/stub/setpgid.c: Likewise. * sysdeps/stub/setpriority.c: Likewise. * sysdeps/stub/setregid.c: Likewise. * sysdeps/stub/setreuid.c: Likewise. * sysdeps/stub/setrlimit.c: Likewise. * sysdeps/stub/setsid.c: Likewise. * sysdeps/stub/setsockopt.c: Likewise. * sysdeps/stub/settimeofday.c: Likewise. * sysdeps/stub/setuid.c: Likewise. * sysdeps/stub/shmctl.c: Likewise. * sysdeps/stub/shmget.c: Likewise. * sysdeps/stub/shutdown.c: Likewise. * sysdeps/stub/sigaction.c: Likewise. * sysdeps/stub/sigaltstack.c: Likewise. * sysdeps/stub/sigblock.c: Likewise. * sysdeps/stub/sigintr.c: Likewise. * sysdeps/stub/sigpending.c: Likewise. * sysdeps/stub/sigprocmask.c: Likewise. * sysdeps/stub/sigreturn.c: Likewise. * sysdeps/stub/sigsetmask.c: Likewise. * sysdeps/stub/sigstack.c: Likewise. * sysdeps/stub/sigsuspend.c: Likewise. * sysdeps/stub/sigvec.c: Likewise. * sysdeps/stub/socket.c: Likewise. * sysdeps/stub/socketpair.c: Likewise. * sysdeps/stub/sstk.c: Likewise. * sysdeps/stub/statfs.c: Likewise. * sysdeps/stub/stdio_init.c: Likewise. * sysdeps/stub/stime.c: Likewise. * sysdeps/stub/stty.c: Likewise. * sysdeps/stub/swapoff.c: Likewise. * sysdeps/stub/swapon.c: Likewise. * sysdeps/stub/symlink.c: Likewise. * sysdeps/stub/sync.c: Likewise. * sysdeps/stub/syscall.c: Likewise. * sysdeps/stub/sysd-stdio.c: Likewise. * sysdeps/stub/system.c: Likewise. * sysdeps/stub/tcdrain.c: Likewise. * sysdeps/stub/tcflow.c: Likewise. * sysdeps/stub/tcflush.c: Likewise. * sysdeps/stub/tcgetattr.c: Likewise. * sysdeps/stub/tcgetpgrp.c: Likewise. * sysdeps/stub/tcsendbrk.c: Likewise. * sysdeps/stub/tcsetpgrp.c: Likewise. * sysdeps/stub/telldir.c: Likewise. * sysdeps/stub/thread_state.h: Likewise. * sysdeps/stub/time.c: Likewise. * sysdeps/stub/times.c: Likewise. * sysdeps/stub/trampoline.c: Likewise. * sysdeps/stub/truncate.c: Likewise. * sysdeps/stub/ttyname.c: Likewise. * sysdeps/stub/ttyname_r.c: Likewise. * sysdeps/stub/ualarm.c: Likewise. * sysdeps/stub/ulimit.c: Likewise. * sysdeps/stub/umask.c: Likewise. * sysdeps/stub/unlink.c: Likewise. * sysdeps/stub/usleep.c: Likewise. * sysdeps/stub/ustat.c: Likewise. * sysdeps/stub/utime.c: Likewise. * sysdeps/stub/utimes.c: Likewise. * sysdeps/stub/vdprintf.c: Likewise. * sysdeps/stub/vhangup.c: Likewise. * sysdeps/stub/wait.c: Likewise. * sysdeps/stub/wait3.c: Likewise. * sysdeps/stub/wait4.c: Likewise. * sysdeps/stub/waitpid.c: Likewise. * sysdeps/stub/write.c: Likewise. * sysdeps/stub/xmknod.c: Likewise. * sysdeps/stub/xstat.c: Likewise. * sysdeps/stub/bits/errno.h: Likewise. * sysdeps/stub/bits/sigcontext.h: Likewise. * sysdeps/unix/fxstat.c: Likewise. * sysdeps/unix/mk-local_lim.c: Likewise. * sysdeps/unix/mkdir.c: Likewise. * sysdeps/unix/nice.c: Likewise. * sysdeps/unix/rmdir.c: Likewise. * sysdeps/unix/stime.c: Likewise. * sysdeps/unix/telldir.c: Likewise. * sysdeps/unix/xstat.c: Likewise. * sysdeps/unix/arm/sysdep.h: Likewise. * sysdeps/unix/bsd/ftime.c: Likewise. * sysdeps/unix/bsd/isatty.c: Likewise. * sysdeps/unix/bsd/setegid.c: Likewise. * sysdeps/unix/bsd/seteuid.c: Likewise. * sysdeps/unix/bsd/setsid.c: Likewise. * sysdeps/unix/bsd/sigaction.c: Likewise. * sysdeps/unix/bsd/sigprocmask.c: Likewise. * sysdeps/unix/bsd/tcgetattr.c: Likewise. * sysdeps/unix/bsd/tcsetattr.c: Likewise. * sysdeps/unix/bsd/times.c: Likewise. * sysdeps/unix/bsd/ulimit.c: Likewise. * sysdeps/unix/bsd/bits/dirent.h: Likewise. * sysdeps/unix/bsd/bsd4.4/tcdrain.c: Likewise. * sysdeps/unix/bsd/bsd4.4/wait.c: Likewise. * sysdeps/unix/bsd/bsd4.4/waitpid.c: Likewise. * sysdeps/unix/bsd/hp/m68k/sysdep.h: Likewise. * sysdeps/unix/bsd/osf/alpha/sysdep.h: Likewise. * sysdeps/unix/bsd/sequent/i386/sysdep.h: Likewise. * sysdeps/unix/bsd/sony/newsos/m68k/sysdep.h: Likewise. * sysdeps/unix/bsd/sun/m68k/sigtramp.c: Likewise. * sysdeps/unix/bsd/sun/m68k/sysdep.h: Likewise. * sysdeps/unix/bsd/sun/m68k/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sparc/sigtramp.c: Likewise. * sysdeps/unix/bsd/sun/sparc/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/sun/sunos4/mmap.c: Likewise. * sysdeps/unix/bsd/sun/sunos4/speed.c: Likewise. * sysdeps/unix/bsd/ultrix4/sysconf.c: Likewise. * sysdeps/unix/bsd/ultrix4/bits/posix_opt.h: Likewise. * sysdeps/unix/bsd/ultrix4/mips/bits/sigcontext.h: Likewise. * sysdeps/unix/bsd/vax/sysdep.h: Likewise. * sysdeps/unix/common/lxstat.c: Likewise. * sysdeps/unix/common/tcsendbrk.c: Likewise. * sysdeps/unix/common/bits/dirent.h: Likewise. * sysdeps/unix/i386/sysdep.h: Likewise. * sysdeps/unix/mips/sysdep.h: Likewise. * sysdeps/unix/sysv/setrlimit.c: Likewise. * sysdeps/unix/sysv/settimeofday.c: Likewise. * sysdeps/unix/sysv/sigaction.c: Likewise. * sysdeps/unix/sysv/sysv_termio.h: Likewise. * sysdeps/unix/sysv/tcdrain.c: Likewise. * sysdeps/unix/sysv/tcflow.c: Likewise. * sysdeps/unix/sysv/tcflush.c: Likewise. * sysdeps/unix/sysv/tcgetattr.c: Likewise. * sysdeps/unix/sysv/tcsendbrk.c: Likewise. * sysdeps/unix/sysv/tcsetattr.c: Likewise. * sysdeps/unix/sysv/bits/dirent.h: Likewise. * sysdeps/unix/sysv/irix4/getpriority.c: Likewise. * sysdeps/unix/sysv/irix4/setpriority.c: Likewise. * sysdeps/unix/sysv/irix4/bits/confname.h: Likewise. * sysdeps/unix/sysv/linux/adjtime.c: Likewise. * sysdeps/unix/sysv/linux/dl-sysdep.c: Likewise. * sysdeps/unix/sysv/linux/gethostname.c: Likewise. * sysdeps/unix/sysv/linux/if_index.c: Likewise. * sysdeps/unix/sysv/linux/ptrace.c: Likewise. * sysdeps/unix/sysv/linux/reboot.c: Likewise. * sysdeps/unix/sysv/linux/speed.c: Likewise. * sysdeps/unix/sysv/linux/sysctl.c: Likewise. * sysdeps/unix/sysv/linux/tcdrain.c: Likewise. * sysdeps/unix/sysv/linux/ulimit.c: Likewise. * sysdeps/unix/sysv/linux/waitpid.c: Likewise. * sysdeps/unix/sysv/linux/alpha/sysdep.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/linux/alpha/bits/signum.h: Likewise. * sysdeps/unix/sysv/linux/i386/profil-counter.h: Likewise. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Likewise. * sysdeps/unix/sysv/minix/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/confname.h: Likewise. * sysdeps/unix/sysv/sco3.2.4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/sigaction.c: Likewise. * sysdeps/unix/sysv/sysv4/siginfo.h: Likewise. * sysdeps/unix/sysv/sysv4/sysconf.c: Likewise. * sysdeps/unix/sysv/sysv4/sysconfig.h: Likewise. * sysdeps/unix/sysv/sysv4/waitpid.c: Likewise. * sysdeps/unix/sysv/sysv4/bits/sigaction.h: Likewise. * sysdeps/unix/sysv/sysv4/i386/sysdep.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/sparc/sysdep.h: Likewise. * sysdeps/vax/fl.h: Likewise. * sysdeps/vax/setjmp.c: Likewise. 1997-06-21 16:58 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdlib/strtod.c (INTERNAL (STRTOF)): Fix recognition of Infinity and NaN strings. 1997-06-20 21:52 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/bits/mathinline.h (__scalbn): Fix type of second argument. (__ilogb): Remove special case for zero, add stupid special case for NaN. (__ieee754_scalb): Remove definition. * sysdeps/m68k/fpu/mathbits.h (FP_ILOGB0, FP_ILOGBNAN): Define. * sysdeps/m68k/fpu/s_scalbn.c: Fix type of second argument. * sysdeps/m68k/fpu/e_scalb.c: Rewritten. * sysdeps/m68k/fpu/e_scalbf.c: Adapted. * sysdeps/m68k/fpu/e_scalbl.c: Adapted. * sysdeps/libm-ieee754/e_scalb.c: Raise no exceptions when returning NaN. Handle zero specially. * sysdeps/libm-ieee754/e_scalbf.c: Likewise. * sysdeps/libm-ieee754/e_scalbl.c: Likewise. * math/libm-test.c (ilogb_test): Don't require exceptions for zero and NaN. (gamma_test): Use different argument when checking whether function is implemented. (scalb_test): Remove duplicate tests. 1997-06-03 15:59 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makerules (+depfiles): Add dependencies for $(test-srcs). (distinfo-vars): Add test-srcs.
1997-06-23 23:55:26 +02:00
else if (x == 0)
return x;
else if (!__finite (x))
{
# ifdef FE_INVALID
feraiseexcept (FE_INVALID);
# endif
return __nan ("");
}
else return x/(-fn);
}
if (__rint(fn)!=fn)
{
# ifdef FE_INVALID
feraiseexcept (FE_INVALID);
# endif
return __nan ("");
}
Update. 1997-04-21 13:25 Ulrich Drepper <drepper@cygnus.com> * manual/arith.texi: Add description for INFINITY, _Imaginary_I, fpclassify & friends, and complex number operations. Update various other math functions for ISO C 9X. * manual/math.texi: Update various entries for ISO C 9X. Add description for complex number functions. Add description of rand48 function family. * manual/string.h: Add description of a64l and l64a. * math/cmathcalls.h: Fix typo. * stdlib/a64l.c: Pretty printing. * stdlib/seed48_r.c: Also reset `a' and `c' to default values. * stdlib/srand48_r.c: Likewise. * stdlib/stdlib.h: Pretty printing. * sysdeps/i386/fpu/__math.h: Fix typo. * sysdeps/libm-ieee754/s_nearbyintf.c: Correctly name function. * sysdeps/libm-ieee754/s_nearbyintl.c: Likewise. 1997-04-19 22:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/e_pow.c: Rewrite handling of integral exponent. 1997-04-18 19:34 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Define optimized versions of isgreater, isgreaterequal, isless, islessequal, islessgreater, and isunordered. 1997-04-20 01:28 Richard Henderson <rth@tamu.edu> * rellns-sh: Handle files in the same directory correctly. 1997-04-20 11:22 Ulrich Drepper <drepper@cygnus.com> * csu/initfini.c: Place ALIGN instruction at correct positions. Patch by Richard Henderson <richard@twiddle.rth.home>. 1997-04-19 17:12 Ulrich Drepper <drepper@cygnus.com> * Make-dist: Don't automatically ignore .c files if the .S or .s file is ignored. * csu/Makefile (distribute): Add defs.awk. 1997-04-19 15:39 Ulrich Drepper <drepper@cygnus.com> * sysdeps/stub/shmat.c: Update to XPG4.2 interface. * sysdeps/stub/shmdt.c: Likewise. Reported by Thomas Bushnell, n/BSG. 1997-04-19 13:22 Ulrich Drepper <drepper@cygnus.com> * manual/stdio.texi: Add description of printf_size and printf_size_info. Partly based on the documentation by Larry McVoy. 1997-04-19 02:21 Ulrich Drepper <drepper@cygnus.com> * stdio-common/printf_size.c (printf_size): Correct values for `units'. Report by Larry McVoy <lm@neteng.engr.sgi.com>. * stdio-common/tst-printfsz.c: New file. * stdio-common/Makefile (tests): Add tst-printfsz.c. (CFLAGS-tst-printfsz.c): Define to prevent warnings about format strings. 1997-04-18 15:48 Ulrich Drepper <drepper@cygnus.com> * login/utmp.h: Add prototype for updwtmp. * login/logwtmp.c: Add new function updwtmp which allows to write a complete record to the wtmp file. Patch by Miquel van Smoorenburg <miquels@cistron.nl>. 1997-04-17 17:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/Makefile (headers): Add mathbits.h. 1997-04-16 21:20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h: Add inlined sincos{,l,f}. * sysdeps/m68k/fpu/s_sincos.c: New file. * sysdeps/m68k/fpu/s_sincosf.c: New file. * sysdeps/m68k/fpu/s_sincosl.c: New file. * sysdeps/libm-ieee754/e_scalb.c: Use internal names of the functions. * sysdeps/libm-ieee754/e_scalbl.c: Likewise. * sysdeps/libm-ieee754/s_ctanh.c: Use isfinite instead of finite. * sysdeps/libm-ieee754/s_ctanhf.c: Likewise. * sysdeps/libm-ieee754/s_ctanhl.c: Likewise. * sysdeps/libm-ieee754/s_ctan.c: Likewise. * sysdeps/libm-ieee754/s_ctanf.c: Likewise. * sysdeps/libm-ieee754/s_ctanl.c: Likewise. Fix type of `res'. 1997-04-18 11:21 Ulrich Drepper <drepper@cygnus.com> * shadow/fgetspent_r.c: Set *RESULT to NULL before returning error. Patch by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>.
1997-04-21 13:38:46 +02:00
if ( fn > 65000.0) return __scalbn(x, 65000);
if (-fn > 65000.0) return __scalbn(x,-65000);
return __scalbn(x,(int)fn);
#endif
}