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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/LD/logbl.c
+++ new/usr/src/lib/libm/common/LD/logbl.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 __logbl = logbl
31 32
32 33 #include "libm.h"
33 -#include "xpg6.h" /* __xpg6 */
34 -#define _C99SUSv3_logb _C99SUSv3_logb_subnormal_is_like_ilogb
34 +#include "xpg6.h" /* __xpg6 */
35 +#define _C99SUSv3_logb _C99SUSv3_logb_subnormal_is_like_ilogb
35 36
36 37 #if defined(__sparc)
37 -#define ISNORMALL(k, x) (k != 0x7fff) /* assuming k != 0 */
38 +#define ISNORMALL(k, x) (k != 0x7fff) /* assuming k != 0 */
38 39 #define X86PDNRM(k, x)
39 -#define XSCALE_OFFSET 0x406f /* 0x3fff + 112 */
40 +#define XSCALE_OFFSET 0x406f /* 0x3fff + 112 */
41 +
40 42 static const long double xscale = 5192296858534827628530496329220096.0L;
41 - /* 2^112 */
43 +
44 +/* 2^112 */
42 45 #elif defined(__x86)
43 46 /*
44 47 * if pseudo-denormal, replace by the equivalent normal
45 48 */
46 -#define X86PDNRM(k, x) if (k == 0 && (((int *) &x)[1] & 0x80000000) != 0) \
47 - ((int *) &x)[2] |= k = 1
48 -#if defined(HANDLE_UNSUPPORTED) /* assuming k != 0 */
49 -#define ISNORMALL(k, x) (k != 0x7fff && (((int *) &x)[1] & 0x80000000) != 0)
49 +#define X86PDNRM(k, x) if (k == 0 && (((int *)&x)[1] & 0x80000000) != \
50 + 0) \
51 + ((int *)&x)[2] |= k = 1
52 +#if defined(HANDLE_UNSUPPORTED) /* assuming k != 0 */
53 +#define ISNORMALL(k, x) (k != 0x7fff && \
54 + (((int *)&x)[1] & 0x80000000) != 0)
50 55 #else
51 -#define ISNORMALL(k, x) (k != 0x7fff)
56 +#define ISNORMALL(k, x) (k != 0x7fff)
52 57 #endif
53 -#define XSCALE_OFFSET 0x403e /* 0x3fff + 63 */
58 +#define XSCALE_OFFSET 0x403e /* 0x3fff + 63 */
54 59 static const long double xscale = 9223372036854775808.0L; /* 2^63 */
55 60 #endif
56 61
57 62 static long double
58 -raise_division(long double v) {
63 +raise_division(long double v)
64 +{
59 65 #pragma STDC FENV_ACCESS ON
66 +
60 67 static const long double zero = 0.0L;
68 +
61 69 return (v / zero);
62 70 }
63 71
64 72 long double
65 -logbl(long double x) {
73 +logbl(long double x)
74 +{
66 75 int k = XBIASED_EXP(x);
67 76
68 77 X86PDNRM(k, x);
78 +
69 79 if (k == 0) {
70 - if (ISZEROL(x))
80 + if (ISZEROL(x)) {
71 81 return (raise_division(-1.0L));
72 - else if ((__xpg6 & _C99SUSv3_logb) != 0) {
73 - x *= xscale; /* scale up by 2^112 or 2^63 */
74 - return (long double) (XBIASED_EXP(x) - XSCALE_OFFSET);
75 - } else
76 - return ((long double) (-16382));
77 - } else if (ISNORMALL(k, x))
78 - return ((long double) (k - 0x3fff));
79 - else
82 + } else if ((__xpg6 & _C99SUSv3_logb) != 0) {
83 + x *= xscale; /* scale up by 2^112 or 2^63 */
84 + return ((long double)(XBIASED_EXP(x) - XSCALE_OFFSET));
85 + } else {
86 + return ((long double)(-16382));
87 + }
88 + } else if (ISNORMALL(k, x)) {
89 + return ((long double)(k - 0x3fff));
90 + } else {
80 91 return (x * x);
92 + }
81 93 }
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