diff options
Diffstat (limited to 'sysdeps/generic/s_ctanhf.c')
-rw-r--r-- | sysdeps/generic/s_ctanhf.c | 72 |
1 files changed, 0 insertions, 72 deletions
diff --git a/sysdeps/generic/s_ctanhf.c b/sysdeps/generic/s_ctanhf.c deleted file mode 100644 index cfcabab36a..0000000000 --- a/sysdeps/generic/s_ctanhf.c +++ /dev/null @@ -1,72 +0,0 @@ -/* Complex hyperbole tangent for float. - 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 <fenv.h> -#include <math.h> - -#include "math_private.h" - - -__complex__ float -__ctanhf (__complex__ float x) -{ - __complex__ float res; - - if (!isfinite (__real__ x) || !isfinite (__imag__ x)) - { - if (__isinff (__real__ x)) - { - __real__ res = __copysignf (1.0, __real__ x); - __imag__ res = __copysignf (0.0, __imag__ x); - } - else if (__imag__ x == 0.0) - { - res = x; - } - else - { - __real__ res = __nanf (""); - __imag__ res = __nanf (""); - -#ifdef FE_INVALID - if (__isinff (__imag__ x)) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - float sin2ix, cos2ix; - float den; - - __sincosf (2.0 * __imag__ x, &sin2ix, &cos2ix); - - den = (__ieee754_coshf (2.0 * __real__ x) + cos2ix); - - __real__ res = __ieee754_sinhf (2.0 * __real__ x) / den; - __imag__ res = sin2ix / den; - } - - return res; -} -#ifndef __ctanhf -weak_alias (__ctanhf, ctanhf) -#endif |