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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/m9x/lrintl.c
+++ new/usr/src/lib/libm/common/m9x/lrintl.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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14 lines elided |
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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 __lrintl = lrintl
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 38 #include "fma.h"
39 39 #include "fenv_inlines.h"
40 40
41 41 long
42 -lrintl(long double x) {
42 +lrintl(long double x)
43 +{
43 44 union {
44 45 unsigned int i[4];
45 46 long double q;
46 47 } xx;
47 48 union {
48 49 unsigned int i;
49 50 float f;
50 51 } tt;
52 +
51 53 unsigned int hx, sx, frac, l, fsr;
52 54 int rm, j;
53 55 volatile float dummy;
54 56
55 57 xx.q = x;
56 58 sx = xx.i[0] & 0x80000000;
57 59 hx = xx.i[0] & ~0x80000000;
58 60
59 61 /* handle trivial cases */
60 - if (hx > 0x401e0000) { /* |x| > 2^31 + ... or x is nan */
62 + if (hx > 0x401e0000) { /* |x| > 2^31 + ... or x is nan */
61 63 /* convert an out-of-range float */
62 64 tt.i = sx | 0x7f000000;
63 - return ((long) tt.f);
64 - } else if ((hx | xx.i[1] | xx.i[2] | xx.i[3]) == 0) /* x is zero */
65 + return ((long)tt.f);
66 + } else if ((hx | xx.i[1] | xx.i[2] | xx.i[3]) == 0) { /* x is zero */
65 67 return (0L);
68 + }
66 69
67 70 /* get the rounding mode */
68 71 __fenv_getfsr32(&fsr);
69 72 rm = fsr >> 30;
70 73
71 74 /* flip the sense of directed roundings if x is negative */
72 75 if (sx)
73 76 rm ^= rm >> 1;
74 77
75 78 /* handle |x| < 1 */
76 79 if (hx < 0x3fff0000) {
77 - dummy = 1.0e30F; /* x is nonzero, so raise inexact */
80 + dummy = 1.0e30F; /* x is nonzero, so raise inexact */
78 81 dummy += 1.0e-30F;
79 - if (rm == FSR_RP || (rm == FSR_RN && (hx >= 0x3ffe0000 &&
80 - ((hx & 0xffff) | xx.i[1] | xx.i[2] | xx.i[3]))))
82 +
83 + if (rm == FSR_RP || (rm == FSR_RN && (hx >= 0x3ffe0000 && ((hx &
84 + 0xffff) | xx.i[1] | xx.i[2] | xx.i[3]))))
81 85 return (sx ? -1L : 1L);
86 +
82 87 return (0L);
83 88 }
84 89
85 90 /* extract the integer and fractional parts of x */
86 - j = 0x406f - (hx >> 16); /* 91 <= j <= 112 */
91 + j = 0x406f - (hx >> 16); /* 91 <= j <= 112 */
87 92 xx.i[0] = 0x10000 | (xx.i[0] & 0xffff);
88 - if (j >= 96) { /* 96 <= j <= 112 */
93 +
94 + if (j >= 96) { /* 96 <= j <= 112 */
89 95 l = xx.i[0] >> (j - 96);
90 96 frac = ((xx.i[0] << 1) << (127 - j)) | (xx.i[1] >> (j - 96));
97 +
91 98 if (((xx.i[1] << 1) << (127 - j)) | xx.i[2] | xx.i[3])
92 99 frac |= 1;
93 - } else { /* 91 <= j <= 95 */
100 + } else { /* 91 <= j <= 95 */
94 101 l = (xx.i[0] << (96 - j)) | (xx.i[1] >> (j - 64));
95 102 frac = (xx.i[1] << (96 - j)) | (xx.i[2] >> (j - 64));
103 +
96 104 if ((xx.i[2] << (96 - j)) | xx.i[3])
97 105 frac |= 1;
98 106 }
99 107
100 108 /* round */
101 109 if (frac && (rm == FSR_RP || (rm == FSR_RN && (frac > 0x80000000U ||
102 - (frac == 0x80000000 && (l & 1))))))
110 + (frac == 0x80000000 && (l & 1))))))
103 111 l++;
104 112
105 113 /* check for result out of range (note that z is |x| at this point) */
106 114 if (l > 0x80000000U || (l == 0x80000000U && !sx)) {
107 115 tt.i = sx | 0x7f000000;
108 - return ((long) tt.f);
116 + return ((long)tt.f);
109 117 }
110 118
111 119 /* raise inexact if need be */
112 120 if (frac) {
113 121 dummy = 1.0e30F;
114 122 dummy += 1.0e-30F;
115 123 }
116 124
117 125 /* negate result if need be */
118 126 if (sx)
119 127 l = -l;
120 - return ((long) l);
128 +
129 + return ((long)l);
121 130 }
122 131 #elif defined(__x86)
123 132 long
124 -lrintl(long double x) {
133 +lrintl(long double x)
134 +{
125 135 /*
126 136 * Note: The following code works on x86 (in the default rounding
127 137 * precision mode), but one ought to just use the fistpl instruction
128 138 * instead.
129 139 */
130 140 union {
131 141 unsigned i[3];
132 142 long double e;
133 143 } xx, yy;
144 +
134 145 int ex;
135 146
136 147 xx.e = x;
137 148 ex = xx.i[2] & 0x7fff;
138 - if (ex < 0x403e) { /* |x| < 2^63 */
149 +
150 + if (ex < 0x403e) { /* |x| < 2^63 */
139 151 /* add and subtract a power of two to round x to an integer */
140 152 yy.i[2] = (xx.i[2] & 0x8000) | 0x403e;
141 153 yy.i[1] = 0x80000000;
142 154 yy.i[0] = 0;
143 155 x = (x + yy.e) - yy.e;
144 156 }
145 157
146 158 /* now x is nan, inf, or integral */
147 - return ((long) x);
159 + return ((long)x);
148 160 }
149 161 #else
150 162 #error Unknown architecture
151 -#endif /* defined(__sparc) || defined(__x86) */
163 +#endif /* defined(__sparc) || defined(__x86) */
152 164 #else
153 165 #error Unsupported architecture
154 -#endif /* defined(_ILP32) */
166 +#endif /* defined(_ILP32) */
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