1 files changed, 0 insertions, 42 deletions
diff --git a/src/math/e_atanhf.c b/src/math/e_atanhf.c
deleted file mode 100644
index 7356cfc9..00000000
--- a/src/math/e_atanhf.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/* e_atanhf.c -- float version of e_atanh.c.
- * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
- */
-
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#include <math.h>
-#include "math_private.h"
-
-static const float one = 1.0, huge = 1e30;
-
-static const float zero = 0.0;
-
-float
-atanhf(float x)
-{
-        float t;
-        int32_t hx,ix;
-        GET_FLOAT_WORD(hx,x);
-        ix = hx&0x7fffffff;
-        if (ix>0x3f800000)              /* |x|>1 */
-            return (x-x)/(x-x);
-        if(ix==0x3f800000)
-            return x/zero;
-        if(ix<0x31800000&&(huge+x)>zero) return x;      /* x<2**-28 */
-        SET_FLOAT_WORD(x,ix);
-        if(ix<0x3f000000) {             /* x < 0.5 */
-            t = x+x;
-            t = (float)0.5*log1pf(t+t*x/(one-x));
-        } else
-            t = (float)0.5*log1pf((x+x)/(one-x));
-        if(hx>=0) return t; else return -t;
-}