Update.

1 files changed, 0 insertions, 196 deletions

diff --git a/sysdeps/libm-ieee754/e_rem_pio2f.c b/sysdeps/libm-ieee754/e_rem_pio2f.c
deleted file mode 100644
index 4b8c4466bd..0000000000
--- a/sysdeps/libm-ieee754/e_rem_pio2f.c
+++ /dev/null
@@ -1,196 +0,0 @@
-/* e_rem_pio2f.c -- float version of e_rem_pio2.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: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp $";
-#endif
-
-/* __ieee754_rem_pio2f(x,y)
- *
- * return the remainder of x rem pi/2 in y[0]+y[1]
- * use __kernel_rem_pio2f()
- */
-
-#include "math.h"
-#include "math_private.h"
-
-/*
- * Table of constants for 2/pi, 396 Hex digits (476 decimal) of 2/pi
- */
-#ifdef __STDC__
-static const int32_t two_over_pi[] = {
-#else
-static int32_t two_over_pi[] = {
-#endif
-0xA2, 0xF9, 0x83, 0x6E, 0x4E, 0x44, 0x15, 0x29, 0xFC,
-0x27, 0x57, 0xD1, 0xF5, 0x34, 0xDD, 0xC0, 0xDB, 0x62,
-0x95, 0x99, 0x3C, 0x43, 0x90, 0x41, 0xFE, 0x51, 0x63,
-0xAB, 0xDE, 0xBB, 0xC5, 0x61, 0xB7, 0x24, 0x6E, 0x3A,
-0x42, 0x4D, 0xD2, 0xE0, 0x06, 0x49, 0x2E, 0xEA, 0x09,
-0xD1, 0x92, 0x1C, 0xFE, 0x1D, 0xEB, 0x1C, 0xB1, 0x29,
-0xA7, 0x3E, 0xE8, 0x82, 0x35, 0xF5, 0x2E, 0xBB, 0x44,
-0x84, 0xE9, 0x9C, 0x70, 0x26, 0xB4, 0x5F, 0x7E, 0x41,
-0x39, 0x91, 0xD6, 0x39, 0x83, 0x53, 0x39, 0xF4, 0x9C,
-0x84, 0x5F, 0x8B, 0xBD, 0xF9, 0x28, 0x3B, 0x1F, 0xF8,
-0x97, 0xFF, 0xDE, 0x05, 0x98, 0x0F, 0xEF, 0x2F, 0x11,
-0x8B, 0x5A, 0x0A, 0x6D, 0x1F, 0x6D, 0x36, 0x7E, 0xCF,
-0x27, 0xCB, 0x09, 0xB7, 0x4F, 0x46, 0x3F, 0x66, 0x9E,
-0x5F, 0xEA, 0x2D, 0x75, 0x27, 0xBA, 0xC7, 0xEB, 0xE5,
-0xF1, 0x7B, 0x3D, 0x07, 0x39, 0xF7, 0x8A, 0x52, 0x92,
-0xEA, 0x6B, 0xFB, 0x5F, 0xB1, 0x1F, 0x8D, 0x5D, 0x08,
-0x56, 0x03, 0x30, 0x46, 0xFC, 0x7B, 0x6B, 0xAB, 0xF0,
-0xCF, 0xBC, 0x20, 0x9A, 0xF4, 0x36, 0x1D, 0xA9, 0xE3,
-0x91, 0x61, 0x5E, 0xE6, 0x1B, 0x08, 0x65, 0x99, 0x85,
-0x5F, 0x14, 0xA0, 0x68, 0x40, 0x8D, 0xFF, 0xD8, 0x80,
-0x4D, 0x73, 0x27, 0x31, 0x06, 0x06, 0x15, 0x56, 0xCA,
-0x73, 0xA8, 0xC9, 0x60, 0xE2, 0x7B, 0xC0, 0x8C, 0x6B,
-};
-
-/* This array is like the one in e_rem_pio2.c, but the numbers are
-   single precision and the last 8 bits are forced to 0.  */
-#ifdef __STDC__
-static const int32_t npio2_hw[] = {
-#else
-static int32_t npio2_hw[] = {
-#endif
-0x3fc90f00, 0x40490f00, 0x4096cb00, 0x40c90f00, 0x40fb5300, 0x4116cb00,
-0x412fed00, 0x41490f00, 0x41623100, 0x417b5300, 0x418a3a00, 0x4196cb00,
-0x41a35c00, 0x41afed00, 0x41bc7e00, 0x41c90f00, 0x41d5a000, 0x41e23100,
-0x41eec200, 0x41fb5300, 0x4203f200, 0x420a3a00, 0x42108300, 0x4216cb00,
-0x421d1400, 0x42235c00, 0x4229a500, 0x422fed00, 0x42363600, 0x423c7e00,
-0x4242c700, 0x42490f00
-};
-
-/*
- * invpio2:  24 bits of 2/pi
- * pio2_1:   first  17 bit of pi/2
- * pio2_1t:  pi/2 - pio2_1
- * pio2_2:   second 17 bit of pi/2
- * pio2_2t:  pi/2 - (pio2_1+pio2_2)
- * pio2_3:   third  17 bit of pi/2
- * pio2_3t:  pi/2 - (pio2_1+pio2_2+pio2_3)
- */
-
-#ifdef __STDC__
-static const float
-#else
-static float
-#endif
-zero =  0.0000000000e+00, /* 0x00000000 */
-half =  5.0000000000e-01, /* 0x3f000000 */
-two8 =  2.5600000000e+02, /* 0x43800000 */
-invpio2 =  6.3661980629e-01, /* 0x3f22f984 */
-pio2_1  =  1.5707855225e+00, /* 0x3fc90f80 */
-pio2_1t =  1.0804334124e-05, /* 0x37354443 */
-pio2_2  =  1.0804273188e-05, /* 0x37354400 */
-pio2_2t =  6.0770999344e-11, /* 0x2e85a308 */
-pio2_3  =  6.0770943833e-11, /* 0x2e85a300 */
-pio2_3t =  6.1232342629e-17; /* 0x248d3132 */
-
-#ifdef __STDC__
-	int32_t __ieee754_rem_pio2f(float x, float *y)
-#else
-	int32_t __ieee754_rem_pio2f(x,y)
-	float x,y[];
-#endif
-{
-	float z,w,t,r,fn;
-	float tx[3];
-	int32_t e0,i,j,nx,n,ix,hx;
-
-	GET_FLOAT_WORD(hx,x);
-	ix = hx&0x7fffffff;
-	if(ix<=0x3f490fd8)   /* |x| ~<= pi/4 , no need for reduction */
-	    {y[0] = x; y[1] = 0; return 0;}
-	if(ix<0x4016cbe4) {  /* |x| < 3pi/4, special case with n=+-1 */
-	    if(hx>0) {
-		z = x - pio2_1;
-		if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */
-		    y[0] = z - pio2_1t;
-		    y[1] = (z-y[0])-pio2_1t;
-		} else {		/* near pi/2, use 24+24+24 bit pi */
-		    z -= pio2_2;
-		    y[0] = z - pio2_2t;
-		    y[1] = (z-y[0])-pio2_2t;
-		}
-		return 1;
-	    } else {	/* negative x */
-		z = x + pio2_1;
-		if((ix&0xfffffff0)!=0x3fc90fd0) { /* 24+24 bit pi OK */
-		    y[0] = z + pio2_1t;
-		    y[1] = (z-y[0])+pio2_1t;
-		} else {		/* near pi/2, use 24+24+24 bit pi */
-		    z += pio2_2;
-		    y[0] = z + pio2_2t;
-		    y[1] = (z-y[0])+pio2_2t;
-		}
-		return -1;
-	    }
-	}
-	if(ix<=0x43490f80) { /* |x| ~<= 2^7*(pi/2), medium size */
-	    t  = fabsf(x);
-	    n  = (int32_t) (t*invpio2+half);
-	    fn = (float)n;
-	    r  = t-fn*pio2_1;
-	    w  = fn*pio2_1t;	/* 1st round good to 40 bit */
-	    if(n<32&&(int32_t)(ix&0xffffff00)!=npio2_hw[n-1]) {
-		y[0] = r-w;	/* quick check no cancellation */
-	    } else {
-	        u_int32_t high;
-	        j  = ix>>23;
-	        y[0] = r-w;
-		GET_FLOAT_WORD(high,y[0]);
-	        i = j-((high>>23)&0xff);
-	        if(i>8) {  /* 2nd iteration needed, good to 57 */
-		    t  = r;
-		    w  = fn*pio2_2;
-		    r  = t-w;
-		    w  = fn*pio2_2t-((t-r)-w);
-		    y[0] = r-w;
-		    GET_FLOAT_WORD(high,y[0]);
-		    i = j-((high>>23)&0xff);
-		    if(i>25)  {	/* 3rd iteration need, 74 bits acc */
-		    	t  = r;	/* will cover all possible cases */
-		    	w  = fn*pio2_3;
-		    	r  = t-w;
-		    	w  = fn*pio2_3t-((t-r)-w);
-		    	y[0] = r-w;
-		    }
-		}
-	    }
-	    y[1] = (r-y[0])-w;
-	    if(hx<0) 	{y[0] = -y[0]; y[1] = -y[1]; return -n;}
-	    else	 return n;
-	}
-    /*
-     * all other (large) arguments
-     */
-	if(ix>=0x7f800000) {		/* x is inf or NaN */
-	    y[0]=y[1]=x-x; return 0;
-	}
-    /* set z = scalbn(|x|,ilogb(x)-7) */
-	e0 	= (ix>>23)-134;		/* e0 = ilogb(z)-7; */
-	SET_FLOAT_WORD(z, ix - ((int32_t)(e0<<23)));
-	for(i=0;i<2;i++) {
-		tx[i] = (float)((int32_t)(z));
-		z     = (z-tx[i])*two8;
-	}
-	tx[2] = z;
-	nx = 3;
-	while(tx[nx-1]==zero) nx--;	/* skip zero term */
-	n  =  __kernel_rem_pio2f(tx,y,e0,nx,2,two_over_pi);
-	if(hx<0) {y[0] = -y[0]; y[1] = -y[1]; return -n;}
-	return n;
-}