1/* @(#)s_ceil.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#ifndef lint
| 1/* @(#)s_ceil.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice
9 * is preserved.
10 * ====================================================
11 */
12
13#ifndef lint
|
14static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_ceil.c 97409 2002-05-28 17:51:46Z alfred $";
| 14static char rcsid[] = "$FreeBSD: head/lib/msun/src/s_ceil.c 97413 2002-05-28 18:15:04Z alfred $";
|
15#endif
16
17/*
18 * ceil(x)
19 * Return x rounded toward -inf to integral value
20 * Method:
21 * Bit twiddling.
22 * Exception:
23 * Inexact flag raised if x not equal to ceil(x).
24 */
25
26#include "math.h"
27#include "math_private.h"
28
29static const double huge = 1.0e300;
30
| 15#endif
16
17/*
18 * ceil(x)
19 * Return x rounded toward -inf to integral value
20 * Method:
21 * Bit twiddling.
22 * Exception:
23 * Inexact flag raised if x not equal to ceil(x).
24 */
25
26#include "math.h"
27#include "math_private.h"
28
29static const double huge = 1.0e300;
30
|
31 double __generic_ceil(double x)
| 31double
32__generic_ceil(double x)
|
32{
33 int32_t i0,i1,j0;
34 u_int32_t i,j;
35 EXTRACT_WORDS(i0,i1,x);
36 j0 = ((i0>>20)&0x7ff)-0x3ff;
37 if(j0<20) {
38 if(j0<0) { /* raise inexact if x != 0 */
39 if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
--- 32 unchanged lines hidden --- | 33{
34 int32_t i0,i1,j0;
35 u_int32_t i,j;
36 EXTRACT_WORDS(i0,i1,x);
37 j0 = ((i0>>20)&0x7ff)-0x3ff;
38 if(j0<20) {
39 if(j0<0) { /* raise inexact if x != 0 */
40 if(huge+x>0.0) {/* return 0*sign(x) if |x|<1 */
--- 32 unchanged lines hidden --- |