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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/Q/exp2l.c
+++ new/usr/src/lib/libm/common/Q/exp2l.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 __exp2l = exp2l
31 32
32 33 #include "libm.h"
33 34 #include "longdouble.h"
34 35
35 36 /*
36 37 * exp2l(x) = 2**x = 2**((x-anint(x))+anint(x))
37 38 * = 2**anint(x)*2**(x-anint(x))
38 39 * = 2**anint(x)*exp((x-anint(x))*ln2)
39 40 */
40 41
41 42 #define TINY 1.0e-20L /* single: 1e-5, double: 1e-10, quad: 1e-20 */
42 43 #define OVFLEXP 16400 /* single: 130, double 1030, quad: 16400 */
43 44 #define UNFLEXP -16520 /* single:-155, double -1080, quad:-16520 */
44 45
45 -static const long double
46 - zero = 0.0L,
46 +static const long double zero = 0.0L,
47 47 tiny = TINY * TINY,
48 48 half = 0.5L,
49 49 ln2 = 6.931471805599453094172321214581765680755e-0001L,
50 50 one = 1.0L;
51 51
52 -static const int
53 - ovflexp = OVFLEXP,
54 - unflexp = UNFLEXP;
52 +static const int ovflexp = OVFLEXP, unflexp = UNFLEXP;
55 53
56 54 long double
57 -exp2l(long double x) {
55 +exp2l(long double x)
56 +{
58 57 long double t;
59 58
60 59 if (!finitel(x)) {
61 60 if (isnanl(x) || x > zero)
62 61 return (x + x);
63 62 else
64 63 return (zero);
65 64 }
65 +
66 66 t = fabsl(x);
67 +
67 68 if (t < half) {
68 69 if (t < tiny)
69 70 return (one + x);
70 71 else
71 72 return (expl(ln2 * x));
72 73 }
74 +
73 75 t = anintl(x);
76 +
74 77 if (t < ovflexp) {
75 78 if (t >= unflexp)
76 - return (scalbnl(expl(ln2 * (x - t)), (int) t));
79 + return (scalbnl(expl(ln2 * (x - t)), (int)t));
77 80 else
78 - return (scalbnl(one, unflexp)); /* underflow */
79 - } else
80 - return (scalbnl(one, ovflexp)); /* overflow */
81 + return (scalbnl(one, unflexp)); /* underflow */
82 + } else {
83 + return (scalbnl(one, ovflexp)); /* overflow */
84 + }
81 85 }
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