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author | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
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committer | Ulrich Drepper <drepper@redhat.com> | 2004-12-22 20:10:10 +0000 |
commit | a334319f6530564d22e775935d9c91663623a1b4 (patch) | |
tree | b5877475619e4c938e98757d518bb1e9cbead751 /math/s_clog.c | |
parent | 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff) | |
download | glibc-a334319f6530564d22e775935d9c91663623a1b4.tar.gz |
(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/s_clog.c')
-rw-r--r-- | math/s_clog.c | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/math/s_clog.c b/math/s_clog.c deleted file mode 100644 index f796024b47..0000000000 --- a/math/s_clog.c +++ /dev/null @@ -1,65 +0,0 @@ -/* Compute complex natural logarithm. - 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <complex.h> -#include <math.h> - -#include "math_private.h" - - -__complex__ double -__clog (__complex__ double x) -{ - __complex__ double result; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls == FP_ZERO && icls == FP_ZERO) - { - /* Real and imaginary part are 0.0. */ - __imag__ result = signbit (__real__ x) ? M_PI : 0.0; - __imag__ result = __copysign (__imag__ result, __imag__ x); - /* Yes, the following line raises an exception. */ - __real__ result = -1.0 / fabs (__real__ x); - } - else if (rcls != FP_NAN && icls != FP_NAN) - { - /* Neither real nor imaginary part is NaN. */ - __real__ result = __ieee754_log (__ieee754_hypot (__real__ x, - __imag__ x)); - __imag__ result = __ieee754_atan2 (__imag__ x, __real__ x); - } - else - { - __imag__ result = __nan (""); - if (rcls == FP_INFINITE || icls == FP_INFINITE) - /* Real or imaginary part is infinite. */ - __real__ result = HUGE_VAL; - else - __real__ result = __nan (""); - } - - return result; -} -weak_alias (__clog, clog) -#ifdef NO_LONG_DOUBLE -strong_alias (__clog, __clogl) -weak_alias (__clog, clogl) -#endif |