Mercurial > projects > ldc
comparison lphobos/typeinfo2/ti_Afloat.d @ 61:0258a7171a42 trunk
[svn r65] Added typeinfo implementations for float[], double[] and real[]
author | lindquist |
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date | Thu, 25 Oct 2007 09:26:17 +0200 |
parents | |
children | b86e00b938a5 |
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60:66a6841bbe43 | 61:0258a7171a42 |
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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 typeinfo2.ti_Afloat; | |
25 | |
26 private import typeinfo1.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 version(none) | |
103 class TypeInfo_Ao : TypeInfo_Af | |
104 { | |
105 char[] toString() { return "ifloat[]"; } | |
106 | |
107 TypeInfo next() | |
108 { | |
109 return typeid(ifloat); | |
110 } | |
111 } |