1 files changed, 0 insertions, 44 deletions
diff --git a/winsup/mingw/mingwex/complex/ctanh.c b/winsup/mingw/mingwex/complex/ctanh.c
deleted file mode 100644
index 6d3e615da..000000000
--- a/winsup/mingw/mingwex/complex/ctanh.c
+++ /dev/null
@@ -1,44 +0,0 @@
-/*  ctanh.c */
-
-/*
-   Contributed by Danny Smith
-   2003-10-20
-*/
-
-
-#include <math.h>
-#include <complex.h>
-#include <errno.h>
-
-/*
-  ctanh (x + I * y) = (sinh (2 * x)  +  sin (2 * y) * I )
-		     / (cosh (2 * x) + cos (2 * y)) .
-*/
-
-double complex
-ctanh (double complex Z)
-{
-  double complex Res;
-  double two_R = 2.0 * __real__ Z;
-  double two_I = 2.0 * __imag__ Z;
-  double denom = cosh (two_R) + cos (two_I);
-
-  if (denom == 0.0)
-    {
-      errno = ERANGE;
-      __real__ Res = HUGE_VAL;
-      __imag__ Res = HUGE_VAL;
-    }
-  else if ( isinf (denom))
-    {
-      errno = ERANGE;
-      __real__ Res = two_R > 0 ? 1.0 : -1.0;
-      __imag__ Res = 0.0;
-    }
-  else
-    {
-      __real__ Res = sinh (two_R) / denom;
-      __imag__ Res = sin (two_I) / denom;
-    }
-  return Res;
-}