glibc/sysdeps/libm-ieee754/s_catan.c

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Update. 1997-04-13 01:06 Ulrich Drepper <drepper@cygnus.com> * isomac.c: Improve messages. * math/Makefile (libm-calls): Add s_nearbyint, s_catan, s_casin, s_ccos, s_csin, s_ctan, s_ctanh, s_cacos, s_casinh, s_cacosh, s_catanh, s_csqrt, and s_cpow. * math/libm-test.c: New functions ccos_test, cacos_test, cacosh_test, casin_test, casinh_test, catan_test, catanh_test, ctanh_test, csqrt_test, cpow_test, rint_test. * math/math.h: Include new header mathbits.h which defines some more (system dependent) types and some macros. (isfinite): Use __finite instead of fpclassify. * sysdeps/generic/mathbits.h: New file. * sysdeps/i386/fpu/mathbits.h: New file. * sysdeps/i386/huge_val.h: Don't define INFINITY. * sysdeps/ieee754/huge_val.h: Likewise. * sysdeps/m68k/huge_val.h: Likewise. * sysdeps/i386/fpu/fenvbits.h: Define FE_NOMASK_ENV. * sysdeps/i386/fpu/fesetenv.c: Handle FE_NOMASK_ENV. * math/complex.h (_Imaginary_I): Define correctly. I misread the standard first. * sysdeps/libm-i387/s_finite.S: Optimized rewrite. * sysdeps/libm-i387/s_finitef.S: Likewise. * sysdeps/libm-i387/s_finitel.S: Likewise. Provided by Joe Keane <jgk@jgk.org>. * sysdeps/libm-i387/s_nearbyint.S: New file. * sysdeps/libm-i387/s_nearbyintf.S: New file. * sysdeps/libm-i387/s_nearbyintl.S: New file. * sysdeps/libm-ieee754/s_nearbyint.S: New file. * sysdeps/libm-ieee754/s_nearbyintf.S: New file. * sysdeps/libm-ieee754/s_nearbyintl.S: New file. * sysdeps/libm-ieee754/s_cacos.c: New file. * sysdeps/libm-ieee754/s_cacosf.c: New file. * sysdeps/libm-ieee754/s_cacosl.c: New file. * sysdeps/libm-ieee754/s_cacosh.c: New file. * sysdeps/libm-ieee754/s_cacoshf.c: New file. * sysdeps/libm-ieee754/s_cacoshl.c: New file. * sysdeps/libm-ieee754/s_casin.c: New file. * sysdeps/libm-ieee754/s_casinf.c: New file. * sysdeps/libm-ieee754/s_casinl.c: New file. * sysdeps/libm-ieee754/s_casinh.c: New file. * sysdeps/libm-ieee754/s_casinhf.c: New file. * sysdeps/libm-ieee754/s_casinhl.c: New file. * sysdeps/libm-ieee754/s_catan.c: New file. * sysdeps/libm-ieee754/s_catanf.c: New file. * sysdeps/libm-ieee754/s_catanl.c: New file. * sysdeps/libm-ieee754/s_catanh.c: New file. * sysdeps/libm-ieee754/s_catanhf.c: New file. * sysdeps/libm-ieee754/s_catanhl.c: New file. * sysdeps/libm-ieee754/s_ccos.c: New file. * sysdeps/libm-ieee754/s_ccosf.c: New file. * sysdeps/libm-ieee754/s_ccosl.c: New file. * sysdeps/libm-ieee754/s_cpow.c: New file. * sysdeps/libm-ieee754/s_cpowf.c: New file. * sysdeps/libm-ieee754/s_cpowl.c: New file. * sysdeps/libm-ieee754/s_csin.c: New file. * sysdeps/libm-ieee754/s_csinf.c: New file. * sysdeps/libm-ieee754/s_csinl.c: New file. * sysdeps/libm-ieee754/s_csqrt.c: New file. * sysdeps/libm-ieee754/s_csqrtf.c: New file. * sysdeps/libm-ieee754/s_csqrtl.c: New file. * sysdeps/libm-ieee754/s_ctan.c: New file. * sysdeps/libm-ieee754/s_ctanf.c: New file. * sysdeps/libm-ieee754/s_ctanl.c: New file. * sysdeps/libm-ieee754/s_ctanh.c: New file. * sysdeps/libm-ieee754/s_ctanhf.c: New file. * sysdeps/libm-ieee754/s_ctanhl.c: New file. * time/strftime.c (memset_space): Increment pointer. * time/strptime.c: Interpret year number 00-59 as 2000--2059. Patches by Karl Heuer <kwzh@gnu.ai.mit.edu>. 1997-04-11 11:57 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/unix/sysv/linux/sparc/syscalls.list: Remove fork, pipe, syscall. 1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although probably still wrong. * sysdeps/libm-ieee754/s_remquof.c: Likewise. * sysdeps/libm-ieee754/s_remquol.c: Likewise. * math/libm-test.c (remquo_test): Corrected. 1997-04-11 00:01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h (__rinttol, rinttol): New inline. * sysdeps/m68k/fpu/s_rinttol.c: New file. * sysdeps/m68k/fpu/s_rinttoll.c: New file. * math/libm-test.c (remquo_test): Use check_long to test the quotient. (cbrt_test): Add epsilons for long double. 1997-04-10 18:48 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locale/localeinfo.h: Update declaration of _nl_current. 1997-04-11 11:27 Ulrich Drepper <drepper@cygnus.com> * rellnsh-sh: Use explicitely /bin/pwd to find the external program. * math/Makefile (headers): Add fenv.h and fenvbits.h. (libm-support): Add s_rountol, s_roundtoll, fclrexcpt, fgetexcptflg, fraiseexcpt, fsetexcptflg, ftestexcept, fegetround, fesetround, fegetenv, feholdexcpt, fesetenv, feupdateenv. (libm-calls): Add s_round. * math/fenv.h: New file. * math/libm-test.c: Correct tests for s_rinttol and s_rinttoll. Add roundtol_check and roundtoll_check. * math/math.h: Pretty printing. * sysdeps/i386/fpu/fclrexcpt.c: New file. * sysdeps/i386/fpu/fegetenv.c: New file. * sysdeps/i386/fpu/fegetround.c: New file. * sysdeps/i386/fpu/feholdexcpt.c: New file. * sysdeps/i386/fpu/fenvbits.h: New file. * sysdeps/i386/fpu/fesetenv.c: New file. * sysdeps/i386/fpu/fesetround.c: New file. * sysdeps/i386/fpu/fgetexcptflg.c: New file. * sysdeps/i386/fpu/fraiseexcpt.c: New file. * sysdeps/i386/fpu/fsetexcptflg.c: New file. * sysdeps/i386/fpu/ftestexcept.c: New file. * sysdeps/stub/fclrexcpt.c: New file. * sysdeps/stub/fegetenv.c: New file. * sysdeps/stub/fegetround.c: New file. * sysdeps/stub/feholdexcpt.c: New file. * sysdeps/stub/fenvbits.h: New file. * sysdeps/stub/fesetenv.c: New file. * sysdeps/stub/fesetround.c: New file. * sysdeps/stub/fgetexcptflg.c: New file. * sysdeps/stub/fraiseexcpt.c: New file. * sysdeps/stub/fsetexcptflg.c: New file. * sysdeps/stub/ftestexcept.c: New file. * sysdeps/libm-i387/s_trunc.S: New file. * sysdeps/libm-i387/s_truncf.S: New file. * sysdeps/libm-i387/s_truncl.S: New file. * sysdeps/libm-ieee754/s_round.c: New file. * sysdeps/libm-ieee754/s_roundf.c: New file. * sysdeps/libm-ieee754/s_roundl.c: New file. * sysdeps/libm-ieee754/s_ccosh.c: Rewritten to use fpclassify. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Likewise. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/libm-ieee754/s_clog.c: Likewise. * sysdeps/libm-ieee754/s_clogf.c: Likewise. * sysdeps/libm-ieee754/s_clogl.c: Likewise. * sysdeps/libm-ieee754/s_csinh.c. Likewise. * sysdeps/libm-ieee754/s_csinhf.c. Likewise. * sysdeps/libm-ieee754/s_csinhl.c. Likewise. * sysdeps/libm-ieee754/s_ceill.c: Corrected. The mantissa has only 63 bits. * sysdeps/libm-ieee754/s_floorl.c: Likewise. * po/pl.po: Updated. * string/swab.c: Correctly handle array of odd length. * sysdeps/generic/memmem.c: Update copyright. 1997-04-10 20:22 Ulrich Drepper <drepper@cygnus.com> * hurd/Makefile (sunrpc-headers): Add clnt.h. Proposed by Thomas Bushnell <thomas@gnu.ai.mit.edu>. 1997-04-09 14:21 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/sparc/dl-machine.h: Bug fix: I was not loading the proper value from the GOT. Pass argument block to init function. * sysdeps/sparc/elf/start.c: Call atexit (_fini) after calling _init (). * sysdeps/sparc/fpu_control.h: Fix the FPU constants. I got them wrong the first time. * sysdeps/sparc/setjmp.S: PIC code was clobbering a callee saved register. * sysdeps/sparc/udiv_qrnnd.S: Add type @function. * sysdeps/unix/sysv/linux/sparc/init-first.h: Linux/SPARC specific SYSDEP_CALL_INIT. * sysdeps/unix/sysv/linux/sparc/signum.h: Remove definition for NSIG and duplicated SIGIOT. 1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although probably still wrong. * sysdeps/libm-ieee754/s_remquof.c: Likewise. * sysdeps/libm-ieee754/s_remquol.c: Likewise. * math/libm-test.c (remquo_test): Corrected. 1997-04-03 18:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (parent-tests): New target to run the tests to that they are executed even if some subdir tests have failed. (tests): Depend on parent-tests instead of running the tests directly. 1997-04-03 12:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> Clean up name space pollution in libnss_*.so: * nis/nss_compat/compat-pwd.c, resolv/mapv4v6addr.h, resolv/nss_dns/dns-host.c: Replace bzero by memset, bcopy by memcpy and bcmp by memcmp to clean up namespace. * nss/nss_db/db-XXX.c (internal_setent): Use __dbopen instead of dbopen. * nss/nss_db/db-alias.c (internal_setent): Likewise. * nss/nss_db/db-netgrp.c (_nss_db_setnetgrent): Likewise. * db/db/db.c [_LIBC]: Define __dbopen instead of dbopen and make the latter a weak alias. * db/db.h: Declare __dbopen. * db/btree/btree.h [_LIBC]: Prepend __ to all mpool functions. * db/mpool/mpool.c [_LIBC]: Define all external functions with __ prefix and make the old names weak aliases. * db/mpool.h: Declare the new internal names. 1997-04-04 23:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdio-common/vfscanf.c: Fix scanning of hexadecimal fp number. * stdio-common/tstscanf.c: Add test case for this. 1997-04-04 17:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c: Fix more typos. 1997-04-03 17:15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (csinh_test): Fix test names. (ccosh_test): Likewise. * sysdeps/libm-ieee754/s_csinh.c: Use sinh function instead of computing it directly. * sysdeps/libm-ieee754/s_csinhf.c: Likewise. * sysdeps/libm-ieee754/s_csinhl.c: Likewise. * sysdeps/libm-ieee754/s_ccosh.c: Use cosh function instead of computing it directly. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Use internal exp function instead of wrapper. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. Correct handling of special values. Avoid use of fsincos if all that is needed is the quadrant. * sysdeps/m68k/fpu/s_ccosh.c: New file. * sysdeps/m68k/fpu/s_ccoshf.c: New file. * sysdeps/m68k/fpu/s_ccoshl.c: New file. * sysdeps/m68k/fpu/s_csinh.c: New file. * sysdeps/m68k/fpu/s_csinhl.c: New file. * sysdeps/m68k/fpu/s_csinhf.c: New file. 1997-04-03 10:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/Makefile (dir-add.texi): Simplify. * libio/genops.c (_IO_flush_all_linebuffered): Don't flush on
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/* Return arc tangent of complex double value.
Copyright (C) 1997 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <complex.h>
#include <math.h>
#include "math_private.h"
__complex__ double
__catan (__complex__ double x)
{
__complex__ double res;
int rcls = fpclassify (__real__ x);
int icls = fpclassify (__imag__ x);
if (rcls <= FP_INFINITE || icls <= FP_INFINITE)
{
if (rcls == FP_INFINITE)
{
__real__ res = __copysign (M_PI_2, __real__ x);
__imag__ res = __copysign (0.0, __imag__ x);
}
else if (icls == FP_INFINITE)
{
if (rcls >= FP_ZERO)
__real__ res = __copysign (M_PI_2, __real__ x);
else
__real__ res = __nan ("");
__imag__ res = __copysign (0.0, __imag__ x);
}
else if (icls == FP_ZERO || icls == FP_INFINITE)
{
__real__ res = __nan ("");
__imag__ res = __copysign (0.0, __imag__ x);
}
else
{
__real__ res = __nan ("");
__imag__ res = __nan ("");
}
}
else if (rcls == FP_ZERO && icls == FP_ZERO)
{
res = x;
}
else
{
double r2, num, den;
r2 = __real__ x * __real__ x;
den = 1 - r2 - __imag__ x * __imag__ x;
Update. 1997-12-14 21:33 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.91. * db2/makedb.c (process_input): Fix typo in message. * sunrpc/rpcinfo.c (pmapdump): Unify messages. * elf/dynamic-link.h: Pretty print. * elf/rtld.c: Allow multiple preloading of a shared object. * include/limits.h: Prevent multiple inclusion. * malloc/Makefile (headers): Add mcheck.h. (distribute): Remove it here. * malloc/mcheck.h: Pretty print. * malloc/mtrace.c (mallenv): Make `const'. * malloc/mtrace.pl: Don't print table head for memory leaks if there are none. * manual/memory.texi: Update descriptor of malloc hooks. * posix/Makefile (routines): Add waitid. * posix/sys/types.h [__USE_SVID || __USE_POSIX]: Define id_t based on __id_t. * posix/sys/wait.h: Define idtype_t type. Add prototype for waitid. * signal/signal.h: Move definition of sigval_t to <bits/siginfo.h>. * sysdeps/generic/waitid.c: Stub for waitid. * sysdeps/generic/bits/siginfo.h: Define sigval_t. Arrange to work the __need_siginfo_t defined. * sysdeps/unix/sysv/linux/bits/siginfo: Likewise. * sysdeps/generic/bits/types.h: Define __id_t. Correct definition of __FDMASK. * sysdeps/unix/sysv/linux/alpha/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/bits/types.h: Likewise. * sysdeps/posix/waitid.c: New file. Provided by Zack Weinberg. * rt/aio_misc.c: Rename __aio_free_req to __aio_free_request. * sysdeps/alpha/dl-machine.h (ELF_MACHINE_RUNTIME_TRAMPOLINE): Add missing parameters. * sysdeps/generic/dl-sysdep.c: Don't call __libc_init_secure. * sysdeps/generic/enbl-secure.c: Don't define __libc_uid. * sysdeps/unix/sysv/linux/init-first.c: Define __libc_uid. * sysdeps/unix/sysv/linux/sigqueue.c: Make sure __libc_uid is initialized. * sysdeps/i386/dl-machine.h: Little cleanup. * sysdeps/i386/fpu/bits/mathinline.h: Use __signbit* inline functions. (__finite): Mark function as const. Add inline code for __ieee754_atan2. * sysdeps/libm-ieee754/s_cacoshf.c: Add alternate implementation (but don't use it now). * sysdeps/libm-ieee754/s_catan.c: Use __ieee754_atan2 instead of __atan. * sysdeps/libm-ieee754/s_catanf.c: Likewise. * sysdeps/libm-ieee754/s_catanl.c: Likewise. * sysdeps/libm-ieee754/s_catanh.c: Likewise. Correct sign of real part. * sysdeps/libm-ieee754/s_catanhf.c: Likewise. * sysdeps/libm-ieee754/s_catanhl.c: Likewise. * sysdeps/libm-ieee754/s_clog10.c: Use factor to correct __ieee754_atan2 to base 10. * sysdeps/libm-ieee754/s_clog10f.c: Likewise. * sysdeps/libm-ieee754/s_clog10l.c: Likewise. * sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h: Define as old_kernel_sigaction. * sysdeps/unix/sysv/linux/net/if_slip.h: Pretty print. * wctype/Makefile (routines): Add wctype_l. * wctype/wctype.h: Add declaration of __wctype_l. * wctype/wctype_l.c: New file. 1997-12-10 00:38 Ulrich Drepper <drepper@cygnus.com> * locale/C-ctype.c: Correct data for isw* functions. * locale/programs/ld-ctype.c: Write 32bit char classes in correct byte order. * wctype/test_wctype.c: Add test for isw* functions. * wctype/wctype.c: Return value with expected byte order. * sysdeps/generic/_G_config.h: Define _G_HAVE_IO_FILE_OPEN. * sysdeps/unix/sysv/linux/_G_config.h: Likewise.
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__real__ res = 0.5 * __ieee754_atan2 (2.0 * __real__ x, den);
Update. 1997-04-13 01:06 Ulrich Drepper <drepper@cygnus.com> * isomac.c: Improve messages. * math/Makefile (libm-calls): Add s_nearbyint, s_catan, s_casin, s_ccos, s_csin, s_ctan, s_ctanh, s_cacos, s_casinh, s_cacosh, s_catanh, s_csqrt, and s_cpow. * math/libm-test.c: New functions ccos_test, cacos_test, cacosh_test, casin_test, casinh_test, catan_test, catanh_test, ctanh_test, csqrt_test, cpow_test, rint_test. * math/math.h: Include new header mathbits.h which defines some more (system dependent) types and some macros. (isfinite): Use __finite instead of fpclassify. * sysdeps/generic/mathbits.h: New file. * sysdeps/i386/fpu/mathbits.h: New file. * sysdeps/i386/huge_val.h: Don't define INFINITY. * sysdeps/ieee754/huge_val.h: Likewise. * sysdeps/m68k/huge_val.h: Likewise. * sysdeps/i386/fpu/fenvbits.h: Define FE_NOMASK_ENV. * sysdeps/i386/fpu/fesetenv.c: Handle FE_NOMASK_ENV. * math/complex.h (_Imaginary_I): Define correctly. I misread the standard first. * sysdeps/libm-i387/s_finite.S: Optimized rewrite. * sysdeps/libm-i387/s_finitef.S: Likewise. * sysdeps/libm-i387/s_finitel.S: Likewise. Provided by Joe Keane <jgk@jgk.org>. * sysdeps/libm-i387/s_nearbyint.S: New file. * sysdeps/libm-i387/s_nearbyintf.S: New file. * sysdeps/libm-i387/s_nearbyintl.S: New file. * sysdeps/libm-ieee754/s_nearbyint.S: New file. * sysdeps/libm-ieee754/s_nearbyintf.S: New file. * sysdeps/libm-ieee754/s_nearbyintl.S: New file. * sysdeps/libm-ieee754/s_cacos.c: New file. * sysdeps/libm-ieee754/s_cacosf.c: New file. * sysdeps/libm-ieee754/s_cacosl.c: New file. * sysdeps/libm-ieee754/s_cacosh.c: New file. * sysdeps/libm-ieee754/s_cacoshf.c: New file. * sysdeps/libm-ieee754/s_cacoshl.c: New file. * sysdeps/libm-ieee754/s_casin.c: New file. * sysdeps/libm-ieee754/s_casinf.c: New file. * sysdeps/libm-ieee754/s_casinl.c: New file. * sysdeps/libm-ieee754/s_casinh.c: New file. * sysdeps/libm-ieee754/s_casinhf.c: New file. * sysdeps/libm-ieee754/s_casinhl.c: New file. * sysdeps/libm-ieee754/s_catan.c: New file. * sysdeps/libm-ieee754/s_catanf.c: New file. * sysdeps/libm-ieee754/s_catanl.c: New file. * sysdeps/libm-ieee754/s_catanh.c: New file. * sysdeps/libm-ieee754/s_catanhf.c: New file. * sysdeps/libm-ieee754/s_catanhl.c: New file. * sysdeps/libm-ieee754/s_ccos.c: New file. * sysdeps/libm-ieee754/s_ccosf.c: New file. * sysdeps/libm-ieee754/s_ccosl.c: New file. * sysdeps/libm-ieee754/s_cpow.c: New file. * sysdeps/libm-ieee754/s_cpowf.c: New file. * sysdeps/libm-ieee754/s_cpowl.c: New file. * sysdeps/libm-ieee754/s_csin.c: New file. * sysdeps/libm-ieee754/s_csinf.c: New file. * sysdeps/libm-ieee754/s_csinl.c: New file. * sysdeps/libm-ieee754/s_csqrt.c: New file. * sysdeps/libm-ieee754/s_csqrtf.c: New file. * sysdeps/libm-ieee754/s_csqrtl.c: New file. * sysdeps/libm-ieee754/s_ctan.c: New file. * sysdeps/libm-ieee754/s_ctanf.c: New file. * sysdeps/libm-ieee754/s_ctanl.c: New file. * sysdeps/libm-ieee754/s_ctanh.c: New file. * sysdeps/libm-ieee754/s_ctanhf.c: New file. * sysdeps/libm-ieee754/s_ctanhl.c: New file. * time/strftime.c (memset_space): Increment pointer. * time/strptime.c: Interpret year number 00-59 as 2000--2059. Patches by Karl Heuer <kwzh@gnu.ai.mit.edu>. 1997-04-11 11:57 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/unix/sysv/linux/sparc/syscalls.list: Remove fork, pipe, syscall. 1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although probably still wrong. * sysdeps/libm-ieee754/s_remquof.c: Likewise. * sysdeps/libm-ieee754/s_remquol.c: Likewise. * math/libm-test.c (remquo_test): Corrected. 1997-04-11 00:01 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/m68k/fpu/__math.h (__rinttol, rinttol): New inline. * sysdeps/m68k/fpu/s_rinttol.c: New file. * sysdeps/m68k/fpu/s_rinttoll.c: New file. * math/libm-test.c (remquo_test): Use check_long to test the quotient. (cbrt_test): Add epsilons for long double. 1997-04-10 18:48 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * locale/localeinfo.h: Update declaration of _nl_current. 1997-04-11 11:27 Ulrich Drepper <drepper@cygnus.com> * rellnsh-sh: Use explicitely /bin/pwd to find the external program. * math/Makefile (headers): Add fenv.h and fenvbits.h. (libm-support): Add s_rountol, s_roundtoll, fclrexcpt, fgetexcptflg, fraiseexcpt, fsetexcptflg, ftestexcept, fegetround, fesetround, fegetenv, feholdexcpt, fesetenv, feupdateenv. (libm-calls): Add s_round. * math/fenv.h: New file. * math/libm-test.c: Correct tests for s_rinttol and s_rinttoll. Add roundtol_check and roundtoll_check. * math/math.h: Pretty printing. * sysdeps/i386/fpu/fclrexcpt.c: New file. * sysdeps/i386/fpu/fegetenv.c: New file. * sysdeps/i386/fpu/fegetround.c: New file. * sysdeps/i386/fpu/feholdexcpt.c: New file. * sysdeps/i386/fpu/fenvbits.h: New file. * sysdeps/i386/fpu/fesetenv.c: New file. * sysdeps/i386/fpu/fesetround.c: New file. * sysdeps/i386/fpu/fgetexcptflg.c: New file. * sysdeps/i386/fpu/fraiseexcpt.c: New file. * sysdeps/i386/fpu/fsetexcptflg.c: New file. * sysdeps/i386/fpu/ftestexcept.c: New file. * sysdeps/stub/fclrexcpt.c: New file. * sysdeps/stub/fegetenv.c: New file. * sysdeps/stub/fegetround.c: New file. * sysdeps/stub/feholdexcpt.c: New file. * sysdeps/stub/fenvbits.h: New file. * sysdeps/stub/fesetenv.c: New file. * sysdeps/stub/fesetround.c: New file. * sysdeps/stub/fgetexcptflg.c: New file. * sysdeps/stub/fraiseexcpt.c: New file. * sysdeps/stub/fsetexcptflg.c: New file. * sysdeps/stub/ftestexcept.c: New file. * sysdeps/libm-i387/s_trunc.S: New file. * sysdeps/libm-i387/s_truncf.S: New file. * sysdeps/libm-i387/s_truncl.S: New file. * sysdeps/libm-ieee754/s_round.c: New file. * sysdeps/libm-ieee754/s_roundf.c: New file. * sysdeps/libm-ieee754/s_roundl.c: New file. * sysdeps/libm-ieee754/s_ccosh.c: Rewritten to use fpclassify. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Likewise. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/libm-ieee754/s_clog.c: Likewise. * sysdeps/libm-ieee754/s_clogf.c: Likewise. * sysdeps/libm-ieee754/s_clogl.c: Likewise. * sysdeps/libm-ieee754/s_csinh.c. Likewise. * sysdeps/libm-ieee754/s_csinhf.c. Likewise. * sysdeps/libm-ieee754/s_csinhl.c. Likewise. * sysdeps/libm-ieee754/s_ceill.c: Corrected. The mantissa has only 63 bits. * sysdeps/libm-ieee754/s_floorl.c: Likewise. * po/pl.po: Updated. * string/swab.c: Correctly handle array of odd length. * sysdeps/generic/memmem.c: Update copyright. 1997-04-10 20:22 Ulrich Drepper <drepper@cygnus.com> * hurd/Makefile (sunrpc-headers): Add clnt.h. Proposed by Thomas Bushnell <thomas@gnu.ai.mit.edu>. 1997-04-09 14:21 Miguel de Icaza <miguel@nuclecu.unam.mx> * sysdeps/sparc/dl-machine.h: Bug fix: I was not loading the proper value from the GOT. Pass argument block to init function. * sysdeps/sparc/elf/start.c: Call atexit (_fini) after calling _init (). * sysdeps/sparc/fpu_control.h: Fix the FPU constants. I got them wrong the first time. * sysdeps/sparc/setjmp.S: PIC code was clobbering a callee saved register. * sysdeps/sparc/udiv_qrnnd.S: Add type @function. * sysdeps/unix/sysv/linux/sparc/init-first.h: Linux/SPARC specific SYSDEP_CALL_INIT. * sysdeps/unix/sysv/linux/sparc/signum.h: Remove definition for NSIG and duplicated SIGIOT. 1997-04-05 00:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * sysdeps/libm-ieee754/s_remquo.c: Change algorithm, although probably still wrong. * sysdeps/libm-ieee754/s_remquof.c: Likewise. * sysdeps/libm-ieee754/s_remquol.c: Likewise. * math/libm-test.c (remquo_test): Corrected. 1997-04-03 18:35 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * Makefile (parent-tests): New target to run the tests to that they are executed even if some subdir tests have failed. (tests): Depend on parent-tests instead of running the tests directly. 1997-04-03 12:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> Clean up name space pollution in libnss_*.so: * nis/nss_compat/compat-pwd.c, resolv/mapv4v6addr.h, resolv/nss_dns/dns-host.c: Replace bzero by memset, bcopy by memcpy and bcmp by memcmp to clean up namespace. * nss/nss_db/db-XXX.c (internal_setent): Use __dbopen instead of dbopen. * nss/nss_db/db-alias.c (internal_setent): Likewise. * nss/nss_db/db-netgrp.c (_nss_db_setnetgrent): Likewise. * db/db/db.c [_LIBC]: Define __dbopen instead of dbopen and make the latter a weak alias. * db/db.h: Declare __dbopen. * db/btree/btree.h [_LIBC]: Prepend __ to all mpool functions. * db/mpool/mpool.c [_LIBC]: Define all external functions with __ prefix and make the old names weak aliases. * db/mpool.h: Declare the new internal names. 1997-04-04 23:57 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * stdio-common/vfscanf.c: Fix scanning of hexadecimal fp number. * stdio-common/tstscanf.c: Add test case for this. 1997-04-04 17:26 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c: Fix more typos. 1997-04-03 17:15 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * math/libm-test.c (csinh_test): Fix test names. (ccosh_test): Likewise. * sysdeps/libm-ieee754/s_csinh.c: Use sinh function instead of computing it directly. * sysdeps/libm-ieee754/s_csinhf.c: Likewise. * sysdeps/libm-ieee754/s_csinhl.c: Likewise. * sysdeps/libm-ieee754/s_ccosh.c: Use cosh function instead of computing it directly. * sysdeps/libm-ieee754/s_ccoshf.c: Likewise. * sysdeps/libm-ieee754/s_ccoshl.c: Likewise. * sysdeps/libm-ieee754/s_cexp.c: Use internal exp function instead of wrapper. * sysdeps/libm-ieee754/s_cexpf.c: Likewise. * sysdeps/libm-ieee754/s_cexpl.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. Correct handling of special values. Avoid use of fsincos if all that is needed is the quadrant. * sysdeps/m68k/fpu/s_ccosh.c: New file. * sysdeps/m68k/fpu/s_ccoshf.c: New file. * sysdeps/m68k/fpu/s_ccoshl.c: New file. * sysdeps/m68k/fpu/s_csinh.c: New file. * sysdeps/m68k/fpu/s_csinhl.c: New file. * sysdeps/m68k/fpu/s_csinhf.c: New file. 1997-04-03 10:18 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de> * manual/Makefile (dir-add.texi): Simplify. * libio/genops.c (_IO_flush_all_linebuffered): Don't flush on
1997-04-12 23:41:36 +00:00
num = __imag__ x + 1.0;
num = r2 + num * num;
den = __imag__ x - 1.0;
den = r2 + den * den;
__imag__ res = 0.25 * __ieee754_log (num / den);
}
return res;
}
weak_alias (__catan, catan)
#ifdef NO_LONG_DOUBLE
strong_alias (__catan, __catanl)
weak_alias (__catan, catanl)
#endif