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annotate druntime/src/compiler/dmd/typeinfo/ti_Afloat.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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759
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.
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1 /*
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2 * Copyright (C) 2004-2005 by Digital Mars, www.digitalmars.com
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3 * Written by Walter Bright
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4 *
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5 * This software is provided 'as-is', without any express or implied
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6 * warranty. In no event will the authors be held liable for any damages
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7 * arising from the use of this software.
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8 *
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9 * Permission is granted to anyone to use this software for any purpose,
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10 * including commercial applications, and to alter it and redistribute it
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11 * freely, in both source and binary form, subject to the following
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12 * restrictions:
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13 *
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14 * o The origin of this software must not be misrepresented; you must not
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15 * claim that you wrote the original software. If you use this software
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16 * in a product, an acknowledgment in the product documentation would be
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17 * appreciated but is not required.
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18 * o Altered source versions must be plainly marked as such, and must not
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19 * be misrepresented as being the original software.
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20 * o This notice may not be removed or altered from any source
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21 * distribution.
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22 */
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23
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24 module rt.typeinfo.ti_Afloat;
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25
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26 private import typeinfo.ti_float;
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27
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28 // float[]
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29
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30 class TypeInfo_Af : TypeInfo
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31 {
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32 override string toString() { return "float[]"; }
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33
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34 override hash_t getHash(in void* p)
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35 { float[] s = *cast(float[]*)p;
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36 size_t len = s.length;
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37 auto str = s.ptr;
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38 hash_t hash = 0;
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39
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40 while (len)
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41 {
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42 hash *= 9;
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43 hash += *cast(uint *)str;
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44 str++;
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45 len--;
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46 }
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47
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48 return hash;
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49 }
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50
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51 override equals_t equals(in void* p1, in void* p2)
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52 {
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53 float[] s1 = *cast(float[]*)p1;
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54 float[] s2 = *cast(float[]*)p2;
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55 size_t len = s1.length;
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56
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57 if (len != s2.length)
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58 return 0;
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59 for (size_t u = 0; u < len; u++)
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60 {
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61 if (!TypeInfo_f._equals(s1[u], s2[u]))
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62 return false;
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63 }
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64 return true;
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65 }
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66
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67 override int compare(in void* p1, in void* p2)
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68 {
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69 float[] s1 = *cast(float[]*)p1;
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70 float[] s2 = *cast(float[]*)p2;
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71 size_t len = s1.length;
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72
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73 if (s2.length < len)
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74 len = s2.length;
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75 for (size_t u = 0; u < len; u++)
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76 {
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77 int c = TypeInfo_f._compare(s1[u], s2[u]);
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78 if (c)
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79 return c;
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80 }
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81 if (s1.length < s2.length)
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82 return -1;
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83 else if (s1.length > s2.length)
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84 return 1;
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85 return 0;
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86 }
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87
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88 override size_t tsize()
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89 {
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90 return (float[]).sizeof;
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91 }
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92
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93 override uint flags()
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94 {
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95 return 1;
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96 }
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97
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98 override TypeInfo next()
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99 {
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100 return typeid(float);
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101 }
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102 }
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103
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104 // ifloat[]
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105
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106 class TypeInfo_Ao : TypeInfo_Af
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107 {
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108 override string toString() { return "ifloat[]"; }
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109
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110 override TypeInfo next()
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111 {
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112 return typeid(ifloat);
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113 }
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114 }