diff options
Diffstat (limited to 'math/s_cacoshf.c')
-rw-r--r-- | math/s_cacoshf.c | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/math/s_cacoshf.c b/math/s_cacoshf.c deleted file mode 100644 index f1a1369705..0000000000 --- a/math/s_cacoshf.c +++ /dev/null @@ -1,92 +0,0 @@ -/* Return arc hyperbole cosine for float 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> - -#include <math_private.h> - -__complex__ float -__cacoshf (__complex__ float x) -{ - __complex__ float res; - int rcls = fpclassify (__real__ x); - int icls = fpclassify (__imag__ x); - - if (rcls <= FP_INFINITE || icls <= FP_INFINITE) - { - if (icls == FP_INFINITE) - { - __real__ res = HUGE_VALF; - - if (rcls == FP_NAN) - __imag__ res = __nanf (""); - else - __imag__ res = __copysignf ((rcls == FP_INFINITE - ? (__real__ x < 0.0 - ? M_PI - M_PI_4 : M_PI_4) - : M_PI_2), __imag__ x); - } - else if (rcls == FP_INFINITE) - { - __real__ res = HUGE_VALF; - - if (icls >= FP_ZERO) - __imag__ res = __copysignf (signbit (__real__ x) ? M_PI : 0.0, - __imag__ x); - else - __imag__ res = __nanf (""); - } - else - { - __real__ res = __nanf (""); - __imag__ res = __nanf (""); - } - } - else if (rcls == FP_ZERO && icls == FP_ZERO) - { - __real__ res = 0.0; - __imag__ res = __copysignf (M_PI_2, __imag__ x); - } - else - { - __complex__ float y; - - __real__ y = -__imag__ x; - __imag__ y = __real__ x; - - y = __kernel_casinhf (y, 1); - - if (signbit (__imag__ x)) - { - __real__ res = __real__ y; - __imag__ res = -__imag__ y; - } - else - { - __real__ res = -__real__ y; - __imag__ res = __imag__ y; - } - } - - return res; -} -#ifndef __cacoshf -weak_alias (__cacoshf, cacoshf) -#endif |