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11210 libm should be cstyle(1ONBLD) clean
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--- old/usr/src/lib/libm/common/complex/ctanhl.c
+++ new/usr/src/lib/libm/common/complex/ctanhl.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 __ctanhl = ctanhl
31 32
32 33 #include "libm.h" /* expl/expm1l/fabsl/isinfl/isnanl/sincosl/sinl/tanhl */
33 34 #include "complex_wrapper.h"
34 35 #include "longdouble.h"
35 36
36 -/* INDENT OFF */
37 37 static const long double four = 4.0L, two = 2.0L, one = 1.0L, zero = 0.0L;
38 -/* INDENT ON */
38 +
39 39
40 40 ldcomplex
41 -ctanhl(ldcomplex z) {
41 +ctanhl(ldcomplex z)
42 +{
42 43 long double r, u, v, t, x, y, S, C;
43 44 int hx, ix, hy, iy;
44 45 ldcomplex ans;
45 46
46 47 x = LD_RE(z);
47 48 y = LD_IM(z);
48 49 hx = HI_XWORD(x);
49 50 ix = hx & 0x7fffffff;
50 51 hy = HI_XWORD(y);
51 52 iy = hy & 0x7fffffff;
52 53 x = fabsl(x);
53 54 y = fabsl(y);
54 55
55 56 if (y == zero) { /* ctanh(x,0) = (x,0) for x = 0 or NaN */
56 57 LD_RE(ans) = tanhl(x);
57 58 LD_IM(ans) = zero;
58 59 } else if (iy >= 0x7fff0000) { /* y is inf or NaN */
59 - if (ix < 0x7fff0000) /* catanh(finite x,inf/nan) is nan */
60 + if (ix < 0x7fff0000) { /* catanh(finite x,inf/nan) is nan */
60 61 LD_RE(ans) = LD_IM(ans) = y - y;
61 - else if (isinfl(x)) { /* x is inf */
62 + } else if (isinfl(x)) { /* x is inf */
62 63 LD_RE(ans) = one;
63 64 LD_IM(ans) = zero;
64 65 } else {
65 66 LD_RE(ans) = x + y;
66 67 LD_IM(ans) = y - y;
67 68 }
68 69 } else if (ix >= 0x4004e000) {
69 - /* INDENT OFF */
70 +
70 71 /*
71 72 * |x| > 60 = prec/2 (14,28,34,60)
72 73 * ctanh z ~ 1 + i (sin2y)/(exp(2x))
73 74 */
74 - /* INDENT ON */
75 75 LD_RE(ans) = one;
76 - if (iy < 0x7ffe0000) /* t = sin(2y) */
76 +
77 + if (iy < 0x7ffe0000) { /* t = sin(2y) */
77 78 S = sinl(y + y);
78 - else {
79 + } else {
79 80 (void) sincosl(y, &S, &C);
80 81 S = (S + S) * C;
81 82 }
82 - if (ix >= 0x7ffe0000) { /* |x| > max/2 */
83 +
84 + if (ix >= 0x7ffe0000) { /* |x| > max/2 */
83 85 if (ix >= 0x7fff0000) { /* |x| is inf or NaN */
84 86 if (isnanl(x)) /* x is NaN */
85 87 LD_RE(ans) = LD_IM(ans) = x + y;
86 88 else
87 89 LD_IM(ans) = zero * S; /* x is inf */
88 - } else
90 + } else {
89 91 LD_IM(ans) = S * expl(-x); /* underflow */
90 - } else
92 + }
93 + } else {
91 94 LD_IM(ans) = (S + S) * expl(-(x + x));
92 - /* 2 sin 2y / exp(2x) */
95 + }
96 +
97 + /* 2 sin 2y / exp(2x) */
93 98 } else {
94 - /* INDENT OFF */
99 + /* BEGIN CSTYLED */
95 100 /*
96 101 * t*t+2t
97 102 * ctanh z = ---------------------------
98 103 * t*t+[4(t+1)(cos y)](cos y)
99 104 *
100 105 * [4(t+1)(cos y)]*(sin y)
101 106 * i --------------------------
102 107 * t*t+[4(t+1)(cos y)](cos y)
103 108 */
104 - /* INDENT ON */
109 + /* END CSTYLED */
105 110 sincosl(y, &S, &C);
106 111 t = expm1l(x + x);
107 112 r = (four * C) * (t + one);
108 113 u = t * t;
109 114 v = one / (u + r * C);
110 115 LD_RE(ans) = (u + two * t) * v;
111 116 LD_IM(ans) = (r * S) * v;
112 117 }
118 +
113 119 if (hx < 0)
114 120 LD_RE(ans) = -LD_RE(ans);
121 +
115 122 if (hy < 0)
116 123 LD_IM(ans) = -LD_IM(ans);
124 +
117 125 return (ans);
118 126 }
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