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comparison druntime/src/compiler/ldc/typeinfo/ti_Adouble.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_Adouble;
25
26 private import typeinfo.ti_double;
27
28 // double[]
29
30 class TypeInfo_Ad : TypeInfo
31 {
32 override string toString() { return "double[]"; }
33
34 override hash_t getHash(in void* p)
35 { double[] s = *cast(double[]*)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)[0];
44 hash += (cast(uint *)str)[1];
45 str++;
46 len--;
47 }
48
49 return hash;
50 }
51
52 override equals_t equals(in void* p1, in void* p2)
53 {
54 double[] s1 = *cast(double[]*)p1;
55 double[] s2 = *cast(double[]*)p2;
56 size_t len = s1.length;
57
58 if (len != s2.length)
59 return 0;
60 for (size_t u = 0; u < len; u++)
61 {
62 if (!TypeInfo_d._equals(s1[u], s2[u]))
63 return false;
64 }
65 return true;
66 }
67
68 override int compare(in void* p1, in void* p2)
69 {
70 double[] s1 = *cast(double[]*)p1;
71 double[] s2 = *cast(double[]*)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_d._compare(s1[u], s2[u]);
79 if (c)
80 return c;
81 }
82 if (s1.length < s2.length)
83 return -1;
84 else if (s1.length > s2.length)
85 return 1;
86 return 0;
87 }
88
89 override size_t tsize()
90 {
91 return (double[]).sizeof;
92 }
93
94 override uint flags()
95 {
96 return 1;
97 }
98
99 override TypeInfo next()
100 {
101 return typeid(double);
102 }
103 }
104
105 // idouble[]
106
107 class TypeInfo_Ap : TypeInfo_Ad
108 {
109 override string toString() { return "idouble[]"; }
110
111 override TypeInfo next()
112 {
113 return typeid(idouble);
114 }
115 }