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comparison lphobos/std/typeinfounsupported/ti_Afloat.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_Afloat;
25
26 private import std.typeinfo.ti_float;
27
28 // float[]
29
30 class TypeInfo_Af : TypeInfo
31 {
32 char[] toString() { return "float[]"; }
33
34 hash_t getHash(void *p)
35 { float[] s = *cast(float[]*)p;
36 size_t len = s.length;
37 auto str = s.ptr;
38 hash_t hash = 0;
39
40 while (len)
41 {
42 hash *= 9;
43 hash += *cast(uint *)str;
44 str++;
45 len--;
46 }
47
48 return hash;
49 }
50
51 int equals(void *p1, void *p2)
52 {
53 float[] s1 = *cast(float[]*)p1;
54 float[] s2 = *cast(float[]*)p2;
55 size_t len = s1.length;
56
57 if (len != s2.length)
58 return 0;
59 for (size_t u = 0; u < len; u++)
60 {
61 int c = TypeInfo_f._equals(s1[u], s2[u]);
62 if (c == 0)
63 return 0;
64 }
65 return 1;
66 }
67
68 int compare(void *p1, void *p2)
69 {
70 float[] s1 = *cast(float[]*)p1;
71 float[] s2 = *cast(float[]*)p2;
72 size_t len = s1.length;
73
74 if (s2.length < len)
75 len = s2.length;
76 for (size_t u = 0; u < len; u++)
77 {
78 int c = TypeInfo_f._compare(s1[u], s2[u]);
79 if (c)
80 return c;
81 }
82 return cast(int)s1.length - cast(int)s2.length;
83 }
84
85 size_t tsize()
86 {
87 return (float[]).sizeof;
88 }
89
90 uint flags()
91 {
92 return 1;
93 }
94
95 TypeInfo next()
96 {
97 return typeid(float);
98 }
99 }
100
101 // ifloat[]
102
103 class TypeInfo_Ao : TypeInfo_Af
104 {
105 char[] toString() { return "ifloat[]"; }
106
107 TypeInfo next()
108 {
109 return typeid(ifloat);
110 }
111 }