1 files changed, 0 insertions, 96 deletions
diff --git a/newlib/libm/math/kf_tan.c b/newlib/libm/math/kf_tan.c
deleted file mode 100644
index 285d7f647..000000000
--- a/newlib/libm/math/kf_tan.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/* kf_tan.c -- float version of k_tan.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 
-#else
-static float 
-#endif
-one   =  1.0000000000e+00, /* 0x3f800000 */
-pio4  =  7.8539812565e-01, /* 0x3f490fda */
-pio4lo=  3.7748947079e-08, /* 0x33222168 */
-T[] =  {
-  3.3333334327e-01, /* 0x3eaaaaab */
-  1.3333334029e-01, /* 0x3e088889 */
-  5.3968254477e-02, /* 0x3d5d0dd1 */
-  2.1869488060e-02, /* 0x3cb327a4 */
-  8.8632395491e-03, /* 0x3c11371f */
-  3.5920790397e-03, /* 0x3b6b6916 */
-  1.4562094584e-03, /* 0x3abede48 */
-  5.8804126456e-04, /* 0x3a1a26c8 */
-  2.4646313977e-04, /* 0x398137b9 */
-  7.8179444245e-05, /* 0x38a3f445 */
-  7.1407252108e-05, /* 0x3895c07a */
- -1.8558637748e-05, /* 0xb79bae5f */
-  2.5907305826e-05, /* 0x37d95384 */
-};
-
-#ifdef __STDC__
-	float __kernel_tanf(float x, float y, int iy)
-#else
-	float __kernel_tanf(x, y, iy)
-	float x,y; int iy;
-#endif
-{
-	float z,r,v,w,s;
-	__int32_t ix,hx;
-	GET_FLOAT_WORD(hx,x);
-	ix = hx&0x7fffffff;	/* high word of |x| */
-	if(ix<0x31800000)			/* x < 2**-28 */
-	    {if((int)x==0) {			/* generate inexact */
-		if((ix|(iy+1))==0) return one/fabsf(x);
-		else return (iy==1)? x: -one/x;
-	    }
-	    }
-	if(ix>=0x3f2ca140) { 			/* |x|>=0.6744 */
-	    if(hx<0) {x = -x; y = -y;}
-	    z = pio4-x;
-	    w = pio4lo-y;
-	    x = z+w; y = 0.0;
-	}
-	z	=  x*x;
-	w 	=  z*z;
-    /* Break x^5*(T[1]+x^2*T[2]+...) into
-     *	  x^5(T[1]+x^4*T[3]+...+x^20*T[11]) +
-     *	  x^5(x^2*(T[2]+x^4*T[4]+...+x^22*[T12]))
-     */
-	r = T[1]+w*(T[3]+w*(T[5]+w*(T[7]+w*(T[9]+w*T[11]))));
-	v = z*(T[2]+w*(T[4]+w*(T[6]+w*(T[8]+w*(T[10]+w*T[12])))));
-	s = z*x;
-	r = y + z*(s*(r+v)+y);
-	r += T[0]*s;
-	w = x+r;
-	if(ix>=0x3f2ca140) {
-	    v = (float)iy;
-	    return (float)(1-((hx>>30)&2))*(v-(float)2.0*(x-(w*w/(w+v)-r)));
-	}
-	if(iy==1) return w;
-	else {		/* if allow error up to 2 ulp, 
-			   simply return -1.0/(x+r) here */
-     /*  compute -1.0/(x+r) accurately */
-	    float a,t;
-	    __int32_t i;
-	    z  = w;
-	    GET_FLOAT_WORD(i,z);
-	    SET_FLOAT_WORD(z,i&0xfffff000);
-	    v  = r-(z - x); 	/* z+v = r+x */
-	    t = a  = -(float)1.0/w;	/* a = -1.0/w */
-	    GET_FLOAT_WORD(i,t);
-	    SET_FLOAT_WORD(t,i&0xfffff000);
-	    s  = (float)1.0+t*z;
-	    return t+a*(s+t*v);
-	}
-}