about summary refs log tree commit diff
path: root/math/s_ccosh.c
diff options
context:
space:
mode:
Diffstat (limited to 'math/s_ccosh.c')
-rw-r--r--math/s_ccosh.c105
1 files changed, 0 insertions, 105 deletions
diff --git a/math/s_ccosh.c b/math/s_ccosh.c
deleted file mode 100644
index f5b29db24b..0000000000
--- a/math/s_ccosh.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/* Complex cosine hyperbole function for double.
-   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__ double
-__ccosh (__complex__ double x)
-{
-  __complex__ double retval;
-  int rcls = fpclassify (__real__ x);
-  int icls = fpclassify (__imag__ x);
-
-  if (rcls >= FP_ZERO)
-    {
-      /* Real part is finite.  */
-      if (icls >= FP_ZERO)
-	{
-	  /* Imaginary part is finite.  */
-	  double sinh_val = __ieee754_sinh (__real__ x);
-	  double cosh_val = __ieee754_cosh (__real__ x);
-	  double sinix, cosix;
-
-	  __sincos (__imag__ x, &sinix, &cosix);
-
-	  __real__ retval = cosh_val * cosix;
-	  __imag__ retval = sinh_val * sinix;
-	}
-      else
-	{
-	  __imag__ retval = __real__ x == 0.0 ? 0.0 : __nan ("");
-	  __real__ retval = __nan ("") + __nan ("");
-
-#ifdef FE_INVALID
-	  if (icls == FP_INFINITE)
-	    feraiseexcept (FE_INVALID);
-#endif
-	}
-    }
-  else if (rcls == FP_INFINITE)
-    {
-      /* Real part is infinite.  */
-      if (icls == FP_ZERO)
-	{
-	  /* Imaginary part is 0.0.  */
-	  __real__ retval = HUGE_VAL;
-	  __imag__ retval = __imag__ x * __copysign (1.0, __real__ x);
-	}
-      else if (icls > FP_ZERO)
-	{
-	  /* Imaginary part is finite.  */
-	  double sinix, cosix;
-
-	  __sincos (__imag__ x, &sinix, &cosix);
-
-	  __real__ retval = __copysign (HUGE_VAL, cosix);
-	  __imag__ retval = (__copysign (HUGE_VAL, sinix)
-			     * __copysign (1.0, __real__ x));
-	}
-      else
-	{
-	  /* The addition raises the invalid exception.  */
-	  __real__ retval = HUGE_VAL;
-	  __imag__ retval = __nan ("") + __nan ("");
-
-#ifdef FE_INVALID
-	  if (icls == FP_INFINITE)
-	    feraiseexcept (FE_INVALID);
-#endif
-	}
-    }
-  else
-    {
-      __real__ retval = __nan ("");
-      __imag__ retval = __imag__ x == 0.0 ? __imag__ x : __nan ("");
-    }
-
-  return retval;
-}
-weak_alias (__ccosh, ccosh)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__ccosh, __ccoshl)
-weak_alias (__ccosh, ccoshl)
-#endif