diff options
Diffstat (limited to 'math/s_casin.c')
| -rw-r--r-- | math/s_casin.c | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/math/s_casin.c b/math/s_casin.c deleted file mode 100644 index 2d5b06cf78..0000000000 --- a/math/s_casin.c +++ /dev/null @@ -1,66 +0,0 @@ -/* Return arc sine 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 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> - - -__complex__ double -__casin (__complex__ double x) -{ - __complex__ double res; - - if (isnan (__real__ x) || isnan (__imag__ x)) - { - if (__real__ x == 0.0) - { - res = x; - } - else if (__isinf (__real__ x) || __isinf (__imag__ x)) - { - __real__ res = __nan (""); - __imag__ res = __copysign (HUGE_VAL, __imag__ x); - } - else - { - __real__ res = __nan (""); - __imag__ res = __nan (""); - } - } - else - { - __complex__ double y; - - __real__ y = -__imag__ x; - __imag__ y = __real__ x; - - y = __casinh (y); - - __real__ res = __imag__ y; - __imag__ res = -__real__ y; - } - - return res; -} -weak_alias (__casin, casin) -#ifdef NO_LONG_DOUBLE -strong_alias (__casin, __casinl) -weak_alias (__casin, casinl) -#endif |