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s_rintf.c (130285) s_rintf.c (153046)
1/* s_rintf.c -- float version of s_rint.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#ifndef lint
1/* s_rintf.c -- float version of s_rint.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#ifndef lint
17static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_rintf.c 130285 2004-06-09 21:24:52Z das $";
17static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_rintf.c 153046 2005-12-03 09:00:29Z bde $";
18#endif
19
20#include <sys/types.h>
21#include "math.h"
22#include "math_private.h"
23
24static const float
25TWO23[2]={

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35 GET_FLOAT_WORD(i0,x);
36 sx = (i0>>31)&1;
37 j0 = ((i0>>23)&0xff)-0x7f;
38 if(j0<23) {
39 if(j0<0) {
40 if((i0&0x7fffffff)==0) return x;
41 w = TWO23[sx]+x;
42 t = w-TWO23[sx];
18#endif
19
20#include <sys/types.h>
21#include "math.h"
22#include "math_private.h"
23
24static const float
25TWO23[2]={

--- 9 unchanged lines hidden (view full) ---

35 GET_FLOAT_WORD(i0,x);
36 sx = (i0>>31)&1;
37 j0 = ((i0>>23)&0xff)-0x7f;
38 if(j0<23) {
39 if(j0<0) {
40 if((i0&0x7fffffff)==0) return x;
41 w = TWO23[sx]+x;
42 t = w-TWO23[sx];
43 GET_FLOAT_WORD(i0,t);
44 SET_FLOAT_WORD(t,(i0&0x7fffffff)|(sx<<31));
43 return t;
44 }
45 w = TWO23[sx]+x;
46 return w-TWO23[sx];
47 }
48 if(j0==0x80) return x+x; /* inf or NaN */
49 else return x; /* x is integral */
50}
45 return t;
46 }
47 w = TWO23[sx]+x;
48 return w-TWO23[sx];
49 }
50 if(j0==0x80) return x+x; /* inf or NaN */
51 else return x; /* x is integral */
52}