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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/m9x/scalblnl.c
+++ new/usr/src/lib/libm/common/m9x/scalblnl.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 __scalblnl = scalblnl
31 32
32 33 #include "libm.h"
33 -#include <float.h> /* LDBL_MAX, LDBL_MIN */
34 +#include <float.h> /* LDBL_MAX, LDBL_MIN */
34 35
35 36 #if defined(__sparc)
36 -#define XSET_EXP(k, x) ((int *) &x)[0] = (((int *) &x)[0] & ~0x7fff0000) | \
37 - (k << 16)
38 -#define ISINFNANL(k, x) (k == 0x7fff)
39 -#define XTWOT_OFFSET 113
40 -static const long double xtwot = 10384593717069655257060992658440192.0L,
41 - /* 2^113 */
37 +#define XSET_EXP(k, x) ((int *)&x)[0] = (((int *)&x)[0] & \
38 + ~0x7fff0000) | (k << 16)
39 +#define ISINFNANL(k, x) (k == 0x7fff)
40 +#define XTWOT_OFFSET 113
41 +
42 +static const long double
43 + xtwot = 10384593717069655257060992658440192.0L, /* 2^113 */
42 44 twomtm1 = 4.814824860968089632639944856462318296E-35L; /* 2^-114 */
43 45 #elif defined(__x86)
44 -#define XSET_EXP(k, x) ((int *) &x)[2] = (((int *) &x)[2] & ~0x7fff) | k
46 +#define XSET_EXP(k, x) ((int *)&x)[2] = (((int *)&x)[2] & \
47 + ~0x7fff) | k
45 48 #if defined(HANDLE_UNSUPPORTED)
46 -#define ISINFNANL(k, x) (k == 0x7fff || \
47 - (k != 0 && (((int *) &x)[1] & 0x80000000) == 0))
49 +#define ISINFNANL(k, x) (k == 0x7fff || (k != 0 && \
50 + (((int *)&x)[1] & 0x80000000) == 0))
48 51 #else
49 -#define ISINFNANL(k, x) (k == 0x7fff)
52 +#define ISINFNANL(k, x) (k == 0x7fff)
50 53 #endif
51 -#define XTWOT_OFFSET 64
54 +#define XTWOT_OFFSET 64
55 +
52 56 static const long double xtwot = 18446744073709551616.0L, /* 2^64 */
53 57 twomtm1 = 2.7105054312137610850186E-20L; /* 2^-65 */
54 58 #endif
55 59
56 60 long double
57 -scalblnl(long double x, long n) {
61 +scalblnl(long double x, long n)
62 +{
58 63 int k = XBIASED_EXP(x);
59 64
60 65 if (ISINFNANL(k, x))
61 66 return (x + x);
67 +
62 68 if (ISZEROL(x) || n == 0)
63 69 return (x);
70 +
64 71 if (k == 0) {
65 72 x *= xtwot;
66 73 k = XBIASED_EXP(x) - XTWOT_OFFSET;
67 74 }
68 - k += (int) n;
75 +
76 + k += (int)n;
77 +
69 78 if (n > 50000 || k > 0x7ffe)
70 79 return (LDBL_MAX * copysignl(LDBL_MAX, x));
80 +
71 81 if (n < -50000 || k <= -XTWOT_OFFSET - 1)
72 82 return (LDBL_MIN * copysignl(LDBL_MIN, x));
83 +
73 84 if (k > 0) {
74 85 XSET_EXP(k, x);
75 86 return (x);
76 87 }
88 +
77 89 k += XTWOT_OFFSET + 1;
78 90 XSET_EXP(k, x);
79 91 return (x * twomtm1);
80 92 }
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