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comparison druntime/src/compiler/ldc/typeinfo/ti_Acdouble.d @ 759:d3eb054172f9

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Added copy of druntime from DMD 2.020 modified for LDC.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:52:37 +0100
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758:f04dde6e882c 759:d3eb054172f9
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 rt.typeinfo.ti_Acdouble;
25
26 private import typeinfo.ti_cdouble;
27
28 // cdouble[]
29
30 class TypeInfo_Ar : TypeInfo
31 {
32 override string toString() { return "cdouble[]"; }
33
34 override hash_t getHash(in 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 override equals_t equals(in void* p1, in 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 false;
62 for (size_t u = 0; u < len; u++)
63 {
64 if (!TypeInfo_r._equals(s1[u], s2[u]))
65 return false;
66 }
67 return true;
68 }
69
70 override int compare(in void* p1, in void* p2)
71 {
72 cdouble[] s1 = *cast(cdouble[]*)p1;
73 cdouble[] s2 = *cast(cdouble[]*)p2;
74 size_t len = s1.length;
75
76 if (s2.length < len)
77 len = s2.length;
78 for (size_t u = 0; u < len; u++)
79 {
80 int c = TypeInfo_r._compare(s1[u], s2[u]);
81 if (c)
82 return c;
83 }
84 if (s1.length < s2.length)
85 return -1;
86 else if (s1.length > s2.length)
87 return 1;
88 return 0;
89 }
90
91 override size_t tsize()
92 {
93 return (cdouble[]).sizeof;
94 }
95
96 override uint flags()
97 {
98 return 1;
99 }
100
101 override TypeInfo next()
102 {
103 return typeid(cdouble);
104 }
105 }