diff options
Diffstat (limited to 'math/s_cacos.c')
-rw-r--r-- | math/s_cacos.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/math/s_cacos.c b/math/s_cacos.c deleted file mode 100644 index 234b122..0000000 --- a/math/s_cacos.c +++ /dev/null @@ -1,58 +0,0 @@ -/* Return cosine of complex double value. - Copyright (C) 1997-2016 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, see - <http://www.gnu.org/licenses/>. */ - -#include <complex.h> -#include <math.h> - -__complex__ double -__cacos (__complex__ double x) -{ - __complex__ double y; - __complex__ double res; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls <= FP_INFINITE || icls <= FP_INFINITE - || (rcls == FP_ZERO && icls == FP_ZERO)) - { - y = __casin (x); - - __real__ res = (double) M_PI_2 - __real__ y; - if (__real__ res == 0.0) - __real__ res = 0.0; - __imag__ res = -__imag__ y; - } - else - { - __real__ y = -__imag__ x; - __imag__ y = __real__ x; - - y = __kernel_casinh (y, 1); - - __real__ res = __imag__ y; - __imag__ res = __real__ y; - } - - return res; -} -weak_alias (__cacos, cacos) -#ifdef NO_LONG_DOUBLE -strong_alias (__cacos, __cacosl) -weak_alias (__cacos, cacosl) -#endif |