URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libquadmath/] [math/] [casinq.c] - Rev 783
Compare with Previous | Blame | View Log
/* Return arc sine of complex __float128 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 "quadmath-imp.h" __complex128 casinq (__complex128 x) { __complex128 res; if (isnanq (__real__ x) || isnanq (__imag__ x)) { if (__real__ x == 0.0) { res = x; } else if (isinfq (__real__ x) || isinfq (__imag__ x)) { __real__ res = nanq (""); __imag__ res = copysignq (HUGE_VALQ, __imag__ x); } else { __real__ res = nanq (""); __imag__ res = nanq (""); } } else { __complex128 y; __real__ y = -__imag__ x; __imag__ y = __real__ x; y = casinhq (y); __real__ res = __imag__ y; __imag__ res = -__real__ y; } return res; }