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glibc  2.9
s_cpow.c
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00001 /* Complex power of double values.
00002    Copyright (C) 1997 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <complex.h>
00022 #include <math.h>
00023 
00024 
00025 __complex__ double
00026 __cpow (__complex__ double x, __complex__ double c)
00027 {
00028   return __cexp (c * __clog (x));
00029 }
00030 weak_alias (__cpow, cpow)
00031 #ifdef NO_LONG_DOUBLE
00032 strong_alias (__cpow, __cpowl)
00033 weak_alias (__cpow, cpowl)
00034 #endif