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comparison lphobos/std/typeinfounsupported/ti_Acdouble.d @ 1:c53b6e3fe49a trunk

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[svn r5] Initial commit. Most things are very rough.
author lindquist
date Sat, 01 Sep 2007 21:43:27 +0200
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0:a9e71648e74d 1:c53b6e3fe49a
1 /*
2 * Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
3 * Written by Walter Bright
4 *
5 * This software is provided 'as-is', without any express or implied
6 * warranty. In no event will the authors be held liable for any damages
7 * arising from the use of this software.
8 *
9 * Permission is granted to anyone to use this software for any purpose,
10 * including commercial applications, and to alter it and redistribute it
11 * freely, in both source and binary form, subject to the following
12 * restrictions:
13 *
14 * o The origin of this software must not be misrepresented; you must not
15 * claim that you wrote the original software. If you use this software
16 * in a product, an acknowledgment in the product documentation would be
17 * appreciated but is not required.
18 * o Altered source versions must be plainly marked as such, and must not
19 * be misrepresented as being the original software.
20 * o This notice may not be removed or altered from any source
21 * distribution.
22 */
23
24 module std.typeinfo.ti_Acdouble;
25
26 private import std.typeinfo.ti_cdouble;
27
28 // cdouble[]
29
30 class TypeInfo_Ar : TypeInfo
31 {
32 char[] toString() { return "cdouble[]"; }
33
34 hash_t getHash(void *p)
35 { cdouble[] s = *cast(cdouble[]*)p;
36 size_t len = s.length;
37 cdouble *str = s.ptr;
38 hash_t hash = 0;
39
40 while (len)
41 {
42 hash *= 9;
43 hash += (cast(uint *)str)[0];
44 hash += (cast(uint *)str)[1];
45 hash += (cast(uint *)str)[2];
46 hash += (cast(uint *)str)[3];
47 str++;
48 len--;
49 }
50
51 return hash;
52 }
53
54 int equals(void *p1, void *p2)
55 {
56 cdouble[] s1 = *cast(cdouble[]*)p1;
57 cdouble[] s2 = *cast(cdouble[]*)p2;
58 size_t len = s1.length;
59
60 if (len != s2.length)
61 return 0;
62 for (size_t u = 0; u < len; u++)
63 {
64 int c = TypeInfo_r._equals(s1[u], s2[u]);
65 if (c == 0)
66 return 0;
67 }
68 return 1;
69 }
70
71 int compare(void *p1, void *p2)
72 {
73 cdouble[] s1 = *cast(cdouble[]*)p1;
74 cdouble[] s2 = *cast(cdouble[]*)p2;
75 size_t len = s1.length;
76
77 if (s2.length < len)
78 len = s2.length;
79 for (size_t u = 0; u < len; u++)
80 {
81 int c = TypeInfo_r._compare(s1[u], s2[u]);
82 if (c)
83 return c;
84 }
85 return cast(int)s1.length - cast(int)s2.length;
86 }
87
88 size_t tsize()
89 {
90 return (cdouble[]).sizeof;
91 }
92
93 uint flags()
94 {
95 return 1;
96 }
97
98 TypeInfo next()
99 {
100 return typeid(cdouble);
101 }
102 }
103