1 files changed, 0 insertions, 99 deletions
diff --git a/sysdeps/libm-ieee754/s_cacoshf.c b/sysdeps/libm-ieee754/s_cacoshf.c
deleted file mode 100644
index 6aa33e5a48..0000000000
--- a/sysdeps/libm-ieee754/s_cacoshf.c
+++ /dev/null
@@ -1,99 +0,0 @@
-/* Return arc hyperbole cosine for float 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 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
-   Library General Public License for more details.
-
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  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>
-
-#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
-    {
-#if 1
-      __complex__ float y;
-
-      __real__ y = (__real__ x - __imag__ x) * (__real__ x + __imag__ x) - 1.0;
-      __imag__ y = 2.0 * __real__ x * __imag__ x;
-
-      y = __csqrtf (y);
-
-      __real__ y += __real__ x;
-      __imag__ y += __imag__ x;
-
-      res = __clogf (y);
-#else
-      float re2 = __real__ x * __real__ x;
-      float im2 = __imag__ x * __imag__ x;
-      float sq = re2 - im2 - 1.0;
-      float ro = __ieee754_sqrtf (sq * sq + 4 * re2 * im2);
-      float a = __ieee754_sqrtf ((sq + ro) / 2.0);
-      float b = __ieee754_sqrtf ((-sq + ro) / 2.0);
-
-      __real__ res = 0.5 * __ieee754_logf (re2 + __real__ x * 2 * a
-					   + im2 + __imag__ x * 2 * b
-					   + ro);
-      __imag__ res = __ieee754_atan2f (__imag__ x + b, __real__ x + a);
-#endif
-    }
-
-  return res;
-}
-weak_alias (__cacoshf, cacoshf)