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comparison druntime/src/compiler/dmd/typeinfo/ti_Acreal.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_Acreal;
25
26 private import typeinfo.ti_creal;
27
28 // creal[]
29
30 class TypeInfo_Ac : TypeInfo
31 {
32 override string toString() { return "creal[]"; }
33
34 override hash_t getHash(in void* p)
35 { creal[] s = *cast(creal[]*)p;
36 size_t len = s.length;
37 creal *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 hash += (cast(uint *)str)[4];
48 str++;
49 len--;
50 }
51
52 return hash;
53 }
54
55 override equals_t equals(in void* p1, in void* p2)
56 {
57 creal[] s1 = *cast(creal[]*)p1;
58 creal[] s2 = *cast(creal[]*)p2;
59 size_t len = s1.length;
60
61 if (len != s2.length)
62 return 0;
63 for (size_t u = 0; u < len; u++)
64 {
65 if (!TypeInfo_c._equals(s1[u], s2[u]))
66 return false;
67 }
68 return true;
69 }
70
71 override int compare(in void* p1, in void* p2)
72 {
73 creal[] s1 = *cast(creal[]*)p1;
74 creal[] s2 = *cast(creal[]*)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_c._compare(s1[u], s2[u]);
82 if (c)
83 return c;
84 }
85 if (s1.length < s2.length)
86 return -1;
87 else if (s1.length > s2.length)
88 return 1;
89 return 0;
90 }
91
92 override size_t tsize()
93 {
94 return (creal[]).sizeof;
95 }
96
97 override uint flags()
98 {
99 return 1;
100 }
101
102 override TypeInfo next()
103 {
104 return typeid(creal);
105 }
106 }