Prepare for radical source tree reorganization.zack/build-layout-experiment

All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).

1 files changed, 0 insertions, 101 deletions

diff --git a/sysdeps/ieee754/flt-32/k_tanf.c b/sysdeps/ieee754/flt-32/k_tanf.c
deleted file mode 100644
index 9f0e55860f..0000000000
--- a/sysdeps/ieee754/flt-32/k_tanf.c
+++ /dev/null
@@ -1,101 +0,0 @@
-/* k_tanf.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.
- * ====================================================
- */
-
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: k_tanf.c,v 1.4 1995/05/10 20:46:39 jtc Exp $";
-#endif
-
-#include <float.h>
-#include <math.h>
-#include <math_private.h>
-static const float
-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 */
-};
-
-float __kernel_tanf(float x, float y, int iy)
-{
-	float z,r,v,w,s;
-	int32_t ix,hx;
-	GET_FLOAT_WORD(hx,x);
-	ix = hx&0x7fffffff;	/* high word of |x| */
-	if(ix<0x39000000)			/* x < 2**-13 */
-	    {if((int)x==0) {			/* generate inexact */
-		if((ix|(iy+1))==0) return one/fabsf(x);
-		else if (iy == 1)
-		  {
-		    math_check_force_underflow (x);
-		    return x;
-		  }
-		else
-		  return -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;
-	    if (fabsf (x) < 0x1p-13f)
-		return (1 - ((hx >> 30) & 2)) * iy * (1.0f - 2 * iy * x);
-	}
-	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);
-	}
-}