1 files changed, 0 insertions, 58 deletions
diff --git a/math/s_cacos.c b/math/s_cacos.c
deleted file mode 100644
index 234b12271b..0000000000
--- a/math/s_cacos.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* Return cosine of complex double 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>
-
-__complex__ double
-__cacos (__complex__ double x)
-{
-  __complex__ double y;
-  __complex__ double res;
-  int rcls = fpclassify (__real__ x);
-  int icls = fpclassify (__imag__ x);
-
-  if (rcls <= FP_INFINITE || icls <= FP_INFINITE
-      || (rcls == FP_ZERO && icls == FP_ZERO))
-    {
-      y = __casin (x);
-
-      __real__ res = (double) M_PI_2 - __real__ y;
-      if (__real__ res == 0.0)
-	__real__ res = 0.0;
-      __imag__ res = -__imag__ y;
-    }
-  else
-    {
-      __real__ y = -__imag__ x;
-      __imag__ y = __real__ x;
-
-      y = __kernel_casinh (y, 1);
-
-      __real__ res = __imag__ y;
-      __imag__ res = __real__ y;
-    }
-
-  return res;
-}
-weak_alias (__cacos, cacos)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__cacos, __cacosl)
-weak_alias (__cacos, cacosl)
-#endif