1997-03-29 17:32:35 +00:00
|
|
|
/* Compute argument of complex double value.
|
2013-01-02 19:01:50 +00:00
|
|
|
Copyright (C) 1997-2013 Free Software Foundation, Inc.
|
1997-03-29 17:32:35 +00:00
|
|
|
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
|
2001-07-06 04:58:11 +00:00
|
|
|
modify it under the terms of the GNU Lesser General Public
|
|
|
|
License as published by the Free Software Foundation; either
|
|
|
|
version 2.1 of the License, or (at your option) any later version.
|
1997-03-29 17:32:35 +00:00
|
|
|
|
|
|
|
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
|
2001-07-06 04:58:11 +00:00
|
|
|
Lesser General Public License for more details.
|
1997-03-29 17:32:35 +00:00
|
|
|
|
2001-07-06 04:58:11 +00:00
|
|
|
You should have received a copy of the GNU Lesser General Public
|
2012-02-09 23:18:22 +00:00
|
|
|
License along with the GNU C Library; if not, see
|
|
|
|
<http://www.gnu.org/licenses/>. */
|
1997-03-29 17:32:35 +00:00
|
|
|
|
|
|
|
#include <complex.h>
|
|
|
|
#include <math.h>
|
|
|
|
|
|
|
|
double
|
|
|
|
__carg (__complex__ double x)
|
|
|
|
{
|
|
|
|
return __atan2 (__imag__ x, __real__ x);
|
|
|
|
}
|
|
|
|
weak_alias (__carg, carg)
|
Update.
1997-06-04 20:57 Ulrich Drepper <drepper@cygnus.com>
* manual/string.texi: Add comments to discourage use of index and
rindex.
(strtok, strsep): Apply function on copy of the strings in example.
(l64a): Add example.
* posix/unistd.h: Correct value for _POSIX_VERSION.
* sunrpc/Makefile (defines): Remove definition.
* sysdeps/ieee754/nan.h: Correct typo.
1997-06-04 10:50 Fila Kolodny <fila@ibi.com>
* posix/unistd.h: Add definition of __fchdir corresponding to fchdir.
* login/utmp_daemon.c: Correct location of utmpd.h.
1997-06-03 19:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* Makerules: Rename $(common-objpfx)distinfo-$(subdir) to
$(objpfx)distinfo.
* rpm/Makefile (distinfo): Adapted.
1997-06-03 18:32 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* rpm/Makefile (install-slib): Collect shared libraries here
instead of in install-lib, including libc.
(instvars): Add slib.
1997-06-03 18:23 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* login/Makefile (libutil-routines): Add updwtmp.
1997-06-03 16:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* monetary.h: New file, needed for localedata/tst-fmon.c.
1997-06-02 20:31 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* math/libm-test.c (cpow_test): Add epsilon for long double in
test for 2^10.
(identities): Add epsilon for float in second identity test.
* sysdeps/m68k/huge_val.h: Change GCC's HUGE_VAL{,F,L} to use
DI and SI mode integers instead of bytes. Fix value of HUGE_VALL.
* sysdeps/m68k/nan.h: New file.
* sysdeps/m68k/fpu/__math.h (isgreater, isgreaterequal, isless,
islessequal, islessgreater, isunordered): Fix assembler syntax.
* sysdeps/m68k/fpu/fraiseexcpt.c: Do it right so that gcc doesn't
optimize out the operations.
* sysdeps/libm-ieee754/s_nan.c: Use NaN macro instead of static
constant.
* sysdeps/libm-ieee754/s_nanf.c: Likewise.
* sysdeps/libm-ieee754/s_nanl.c: Likewise.
* math/carg.c [NO_LONG_DOUBLE]: Add alias for long double
function.
* sysdeps/libm-ieee754/s_erf.c: Likewise.
* sysdeps/libm-ieee754/s_fdim.c: Likewise.
* sysdeps/libm-ieee754/s_fmax.c: Likewise.
* sysdeps/libm-ieee754/s_fmin.c: Likewise.
* sysdeps/libm-ieee754/s_log2.c: Likewise.
* sysdeps/libm-ieee754/s_nan.c: Likewise.
* sysdeps/libm-ieee754/s_remquo.c: Likewise.
1997-06-04 19:05:38 +00:00
|
|
|
#ifdef NO_LONG_DOUBLE
|
|
|
|
strong_alias (__carg, __cargl)
|
|
|
|
weak_alias (__carg, cargl)
|
|
|
|
#endif
|