1 files changed, 0 insertions, 66 deletions
diff --git a/winsup/mingw/mingwex/complex/cacosl.c b/winsup/mingw/mingwex/complex/cacosl.c
deleted file mode 100755
index c8e0b6eda..000000000
--- a/winsup/mingw/mingwex/complex/cacosl.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
-   cacosl.c
-   Contributed by Danny Smith
-   2004-01-04
-*/
-
-#include <math.h>
-#include <complex.h>
-
-#if 0
-/* cacos (Z) = -I * clog(Z + I * csqrt(1 - Z * Z)) */
-
-long double complex cacosl (long double  complex Z)
-{
-  long double complex Res;
-  long double x, y;
-
-  x = __real__ Z;
-  y = __imag__ Z;
-
-  if (y == 0.0L)
-    {
-      __real__ Res = acosl (x);
-      __imag__ Res = 0.0L;
-    }
-
-  else
-    {
-      long double complex ZZ;
-      /* Z * Z = ((x - y) * (x + y)) + (2.0 * x * y) * I */
-      /* caculate 1 - Z * Z */
-      __real__ ZZ = 1.0L - (x - y) * (x + y);
-      __imag__ ZZ = -2.0L * x * y;
-
-       
-       Res = csqrtl(ZZ);
-
-      /* calculate ZZ + I * sqrt (ZZ) */
-    
-      __real__ ZZ = x - __imag__ Res;
-      __imag__ ZZ = y + __real__ Res;
-       
-      ZZ = clogl(ZZ);
-
-      /* mult by -I */
-
-      __real__ Res  =  __imag__ ZZ;
-      __imag__ Res = - __real__ ZZ;
-    }
-  return Res;
-}
-
-#else
-
-/* cacos ( Z ) =  pi/2 - casin ( Z ) */
-#ifndef _M_PI_2L
-#define _M_PI_2L 1.5707963267948966192313L
-#endif
-long double complex cacosl (long double complex Z)
-{
-  long double complex Res  = casinl (Z);
-  __real__ Res = _M_PI_2L - __real__ Res;
-  __imag__ Res = - __imag__ Res;
-  return Res;
-}
-#endif