1 files changed, 0 insertions, 73 deletions
diff --git a/newlib/libm/math/sf_tanh.c b/newlib/libm/math/sf_tanh.c
deleted file mode 100644
index 1eb44a2ff..000000000
--- a/newlib/libm/math/sf_tanh.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* sf_tanh.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 "fdlibm.h"
-
-#ifdef __STDC__
-static const float one=1.0, two=2.0, tiny = 1.0e-30;
-#else
-static float one=1.0, two=2.0, tiny = 1.0e-30;
-#endif
-
-#ifdef __STDC__
-	float tanhf(float x)
-#else
-	float tanhf(x)
-	float x;
-#endif
-{
-	float t,z;
-	__int32_t jx,ix;
-
-	GET_FLOAT_WORD(jx,x);
-	ix = jx&0x7fffffff;
-
-    /* x is INF or NaN */
-	if(!FLT_UWORD_IS_FINITE(ix)) {
-	    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;
-}
-
-#ifdef _DOUBLE_IS_32BITS
-
-#ifdef __STDC__
-	double tanh(double x)
-#else
-	double tanh(x)
-	double x;
-#endif
-{
-	return (double) tanhf((float) x);
-}
-
-#endif /* defined(_DOUBLE_IS_32BITS) */