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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/m9x/llroundl.c
+++ new/usr/src/lib/libm/common/m9x/llroundl.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 __llroundl = llroundl
31 32 #if defined(__sparcv9) || defined(__amd64)
32 33 #pragma weak lroundl = llroundl
33 34 #pragma weak __lroundl = llroundl
34 35 #endif
35 36
36 37 #include "libm.h"
37 38
38 39 #if defined(__sparc)
39 40 long long
40 -llroundl(long double x) {
41 +llroundl(long double x)
42 +{
41 43 union {
42 44 unsigned i[4];
43 45 long double q;
44 46 } xx;
45 47 union {
46 48 unsigned i[2];
47 49 long long l;
48 50 } zz;
49 51 union {
50 52 unsigned i;
51 53 float f;
52 54 } tt;
55 +
53 56 unsigned hx, sx, frac;
54 57 int j;
55 58
56 59 xx.q = x;
57 60 sx = xx.i[0] & 0x80000000;
58 61 hx = xx.i[0] & ~0x80000000;
59 62
60 63 /* handle trivial cases */
61 - if (hx > 0x403e0000) { /* |x| > 2^63 + ... or x is nan */
64 + if (hx > 0x403e0000) { /* |x| > 2^63 + ... or x is nan */
62 65 /* convert an out-of-range float */
63 66 tt.i = sx | 0x7f000000;
64 - return ((long long) tt.f);
67 + return ((long long)tt.f);
65 68 }
66 69
67 70 /* handle |x| < 1 */
68 71 if (hx < 0x3fff0000) {
69 72 if (hx >= 0x3ffe0000)
70 73 return (sx ? -1LL : 1LL);
74 +
71 75 return (0LL);
72 76 }
73 77
74 78 /* extract the integer and fractional parts of x */
75 79 j = 0x406f - (hx >> 16);
76 80 xx.i[0] = 0x10000 | (xx.i[0] & 0xffff);
81 +
77 82 if (j >= 96) {
78 83 zz.i[0] = 0;
79 84 zz.i[1] = xx.i[0] >> (j - 96);
80 85 frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
86 +
81 87 if (((xx.i[1] << 1) << (127 - j)) | xx.i[2] | xx.i[3])
82 88 frac |= 1;
83 89 } else if (j >= 64) {
84 90 zz.i[0] = xx.i[0] >> (j - 64);
85 91 zz.i[1] = ((xx.i[0] << 1) << (95 - j)) | (xx.i[1] >> (j - 64));
86 92 frac = ((xx.i[1] << 1) << (95 - j)) | (xx.i[2] >> (j - 64));
93 +
87 94 if (((xx.i[2] << 1) << (95 - j)) | xx.i[3])
88 95 frac |= 1;
89 96 } else {
90 97 zz.i[0] = ((xx.i[0] << 1) << (63 - j)) | (xx.i[1] >> (j - 32));
91 98 zz.i[1] = ((xx.i[1] << 1) << (63 - j)) | (xx.i[2] >> (j - 32));
92 99 frac = ((xx.i[2] << 1) << (63 - j)) | (xx.i[3] >> (j - 32));
100 +
93 101 if ((xx.i[3] << 1) << (63 - j))
94 102 frac |= 1;
95 103 }
96 104
97 105 /* round */
98 106 if (frac >= 0x80000000u) {
99 107 if (++zz.i[1] == 0)
100 108 zz.i[0]++;
101 109 }
102 110
103 111 /* check for result out of range (note that z is |x| at this point) */
104 112 if (zz.i[0] > 0x80000000u || (zz.i[0] == 0x80000000 && (zz.i[1] ||
105 - !sx))) {
113 + !sx))) {
106 114 tt.i = sx | 0x7f000000;
107 - return ((long long) tt.f);
115 + return ((long long)tt.f);
108 116 }
109 117
110 118 /* negate result if need be */
111 119 if (sx) {
112 120 zz.i[0] = ~zz.i[0];
113 121 zz.i[1] = -zz.i[1];
122 +
114 123 if (zz.i[1] == 0)
115 124 zz.i[0]++;
116 125 }
117 126
118 127 return (zz.l);
119 128 }
120 129 #elif defined(__x86)
121 130 long long
122 -llroundl(long double x) {
131 +llroundl(long double x)
132 +{
123 133 union {
124 134 unsigned i[3];
125 135 long double e;
126 136 } xx;
137 +
127 138 int ex, sx, i;
128 139
129 140 xx.e = x;
130 141 ex = xx.i[2] & 0x7fff;
131 142 sx = xx.i[2] & 0x8000;
132 143
133 - if (ex < 0x403e) { /* |x| < 2^63 */
144 + if (ex < 0x403e) { /* |x| < 2^63 */
134 145 /* handle |x| < 1 */
135 146 if (ex < 0x3fff) {
136 147 if (ex >= 0x3ffe)
137 148 return (sx ? -1LL : 1LL);
149 +
138 150 return (0LL);
139 151 }
140 152
141 153 /* round x at the integer bit */
142 154 if (ex < 0x401e) {
143 155 i = 1 << (0x401d - ex);
144 156 xx.i[1] = (xx.i[1] + i) & ~(i | (i - 1));
145 157 xx.i[0] = 0;
146 158 } else {
147 159 i = 1 << (0x403d - ex);
148 160 xx.i[0] += i;
161 +
149 162 if (xx.i[0] < i)
150 163 xx.i[1]++;
164 +
151 165 xx.i[0] &= ~(i | (i - 1));
152 166 }
167 +
153 168 if (xx.i[1] == 0) {
154 169 xx.i[2] = sx | ++ex;
155 170 xx.i[1] = 0x80000000U;
156 171 }
157 172 }
158 173
159 174 /* now x is nan, inf, or integral */
160 - return ((long long) xx.e);
175 + return ((long long)xx.e);
161 176 }
162 177 #else
163 178 #error Unknown architecture
164 179 #endif
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