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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/m9x/round.c
+++ new/usr/src/lib/libm/common/m9x/round.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 24 */
25 +
25 26 /*
26 27 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
27 28 * Use is subject to license terms.
28 29 */
29 30
30 31 #pragma weak __round = round
31 32
32 33 #include "libm.h"
33 34
34 35 double
35 -round(double x) {
36 +round(double x)
37 +{
36 38 union {
37 39 unsigned i[2];
38 40 double d;
39 41 } xx;
42 +
40 43 unsigned hx, sx, i;
41 44
42 45 xx.d = x;
43 46 hx = xx.i[HIWORD] & ~0x80000000;
44 47 sx = xx.i[HIWORD] & 0x80000000;
45 - if (hx < 0x43300000) { /* |x| < 2^52 */
48 +
49 + if (hx < 0x43300000) { /* |x| < 2^52 */
46 50 if (hx < 0x3ff00000) { /* |x| < 1 */
47 51 if (hx >= 0x3fe00000)
48 52 return (sx ? -1.0 : 1.0);
53 +
49 54 return (sx ? -0.0 : 0.0);
50 55 }
51 56
52 57 /* round x at the integer bit */
53 58 if (hx < 0x41300000) {
54 59 i = 1 << (0x412 - (hx >> 20));
55 60 xx.i[HIWORD] = (xx.i[HIWORD] + i) & ~(i | (i - 1));
56 61 xx.i[LOWORD] = 0;
57 62 } else {
58 63 i = 1 << (0x432 - (hx >> 20));
59 64 xx.i[LOWORD] += i;
65 +
60 66 if (xx.i[LOWORD] < i)
61 67 xx.i[HIWORD]++;
68 +
62 69 xx.i[LOWORD] &= ~(i | (i - 1));
63 70 }
71 +
64 72 return (xx.d);
65 - } else if (hx < 0x7ff00000)
73 + } else if (hx < 0x7ff00000) {
66 74 return (x);
67 - else
75 + } else {
68 76 #if defined(FPADD_TRAPS_INCOMPLETE_ON_NAN)
69 77 return (hx >= 0x7ff80000 ? x : x + x);
70 - /* assumes sparc-like QNaN */
78 +
79 + /* assumes sparc-like QNaN */
71 80 #else
72 81 return (x + x);
73 82 #endif
83 + }
74 84 }
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