1 files changed, 0 insertions, 52 deletions
diff --git a/src/math/s_tanhf.c b/src/math/s_tanhf.c
deleted file mode 100644
index a0820409..00000000
--- a/src/math/s_tanhf.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* s_tanhf.c -- float version of s_tanh.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, two=2.0, tiny = 1.0e-30;
-
-float
-tanhf(float x)
-{
-        float t,z;
-        int32_t jx,ix;
-
-        GET_FLOAT_WORD(jx,x);
-        ix = jx&0x7fffffff;
-
-    /* x is INF or NaN */
-        if(ix>=0x7f800000) {
-            if (jx>=0) return one/x+one;    /* tanh(+-inf)=+-1 */
-            else       return one/x-one;    /* tanh(NaN) = NaN */
-        }
-
-    /* |x| < 22 */
-        if (ix < 0x41b00000) {          /* |x|<22 */
-            if (ix<0x24000000)          /* |x|<2**-55 */
-                return x*(one+x);       /* tanh(small) = small */
-            if (ix>=0x3f800000) {       /* |x|>=1  */
-                t = expm1f(two*fabsf(x));
-                z = one - two/(t+two);
-            } else {
-                t = expm1f(-two*fabsf(x));
-                z= -t/(t+two);
-            }
-    /* |x| > 22, return +-1 */
-        } else {
-            z = one - tiny;             /* raised inexact flag */
-        }
-        return (jx>=0)? z: -z;
-}