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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/m9x/lroundl.c
+++ new/usr/src/lib/libm/common/m9x/lroundl.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 __lroundl = lroundl
31 32
32 -#include <sys/isa_defs.h> /* _ILP32 */
33 +#include <sys/isa_defs.h> /* _ILP32 */
33 34 #include "libm.h"
34 35
35 36 #if defined(_ILP32)
36 37 #if defined(__sparc)
37 38 long
38 -lroundl(long double x) {
39 +lroundl(long double x)
40 +{
39 41 union {
40 42 unsigned i[4];
41 43 long double q;
42 44 } xx;
43 45 union {
44 46 unsigned i;
45 47 float f;
46 48 } tt;
49 +
47 50 unsigned hx, sx, frac, l;
48 51 int j;
49 52
50 53 xx.q = x;
51 54 sx = xx.i[0] & 0x80000000;
52 55 hx = xx.i[0] & ~0x80000000;
53 56
54 57 /* handle trivial cases */
55 - if (hx > 0x401e0000) { /* |x| > 2^31 + ... or x is nan */
58 + if (hx > 0x401e0000) { /* |x| > 2^31 + ... or x is nan */
56 59 /* convert an out-of-range float */
57 60 tt.i = sx | 0x7f000000;
58 - return ((long) tt.f);
61 + return ((long)tt.f);
59 62 }
60 63
61 64 /* handle |x| < 1 */
62 65 if (hx < 0x3fff0000) {
63 66 if (hx >= 0x3ffe0000)
64 67 return (sx ? -1L : 1L);
68 +
65 69 return (0L);
66 70 }
67 71
68 72 /* extract the integer and fractional parts of x */
69 - j = 0x406f - (hx >> 16); /* 91 <= j <= 112 */
73 + j = 0x406f - (hx >> 16); /* 91 <= j <= 112 */
70 74 xx.i[0] = 0x10000 | (xx.i[0] & 0xffff);
71 - if (j >= 96) { /* 96 <= j <= 112 */
75 +
76 + if (j >= 96) { /* 96 <= j <= 112 */
72 77 l = xx.i[0] >> (j - 96);
73 78 frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
79 +
74 80 if (((xx.i[1] << 1) << (127 - j)) | xx.i[2] | xx.i[3])
75 81 frac |= 1;
76 - } else { /* 91 <= j <= 95 */
82 + } else { /* 91 <= j <= 95 */
77 83 l = (xx.i[0] << (96 - j)) | (xx.i[1] >> (j - 64));
78 84 frac = (xx.i[1] << (96 - j)) | (xx.i[2] >> (j - 64));
85 +
79 86 if ((xx.i[2] << (96 - j)) | xx.i[3])
80 87 frac |= 1;
81 88 }
82 89
83 90 /* round */
84 91 if (frac >= 0x80000000U)
85 92 l++;
86 93
87 94 /* check for result out of range (note that z is |x| at this point) */
88 95 if (l > 0x80000000U || (l == 0x80000000U && !sx)) {
89 96 tt.i = sx | 0x7f000000;
90 - return ((long) tt.f);
97 + return ((long)tt.f);
91 98 }
92 99
93 100 /* negate result if need be */
94 101 if (sx)
95 102 l = -l;
96 - return ((long) l);
103 +
104 + return ((long)l);
97 105 }
98 106 #elif defined(__x86)
99 107 long
100 -lroundl(long double x) {
108 +lroundl(long double x)
109 +{
101 110 union {
102 111 unsigned i[3];
103 112 long double e;
104 113 } xx;
114 +
105 115 int ex, sx, i;
106 116
107 117 xx.e = x;
108 118 ex = xx.i[2] & 0x7fff;
109 119 sx = xx.i[2] & 0x8000;
110 - if (ex < 0x403e) { /* |x| < 2^63 */
120 +
121 + if (ex < 0x403e) { /* |x| < 2^63 */
111 122 if (ex < 0x3fff) { /* |x| < 1 */
112 123 if (ex >= 0x3ffe)
113 124 return (sx ? -1L : 1L);
125 +
114 126 return (0L);
115 127 }
116 128
117 129 /* round x at the integer bit */
118 130 if (ex < 0x401e) {
119 131 i = 1 << (0x401d - ex);
120 132 xx.i[1] = (xx.i[1] + i) & ~(i | (i - 1));
121 133 xx.i[0] = 0;
122 134 } else {
123 135 i = 1 << (0x403d - ex);
124 136 xx.i[0] += i;
137 +
125 138 if (xx.i[0] < i)
126 139 xx.i[1]++;
140 +
127 141 xx.i[0] &= ~(i | (i - 1));
128 142 }
143 +
129 144 if (xx.i[1] == 0) {
130 145 xx.i[2] = sx | ++ex;
131 146 xx.i[1] = 0x80000000U;
132 147 }
133 148 }
134 149
135 150 /* now x is nan, inf, or integral */
136 - return ((long) xx.e);
151 + return ((long)xx.e);
137 152 }
138 153 #else
139 154 #error Unknown architecture
140 -#endif /* defined(__sparc) || defined(__x86) */
155 +#endif /* defined(__sparc) || defined(__x86) */
141 156 #else
142 157 #error Unsupported architecture
143 -#endif /* defined(_ILP32) */
158 +#endif /* defined(_ILP32) */
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