Mercurial > projects > ldc
annotate lphobos/typeinfo2/ti_Adouble.d @ 243:4d006f7b2ada trunk
[svn r260] Changed some of the LLVMDC specific code in the Tango core and did some minor cleanups.
author | lindquist |
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date | Mon, 09 Jun 2008 03:02:14 +0200 |
parents | b86e00b938a5 |
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rev | line source |
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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 typeinfo2.ti_Adouble; |
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25 |
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26 private import typeinfo1.ti_double; |
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27 |
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28 // double[] |
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29 |
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30 class TypeInfo_Ad : TypeInfo |
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31 { |
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32 char[] toString() { return "double[]"; } |
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33 |
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34 hash_t getHash(void *p) |
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35 { double[] s = *cast(double[]*)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)[0]; |
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44 hash += (cast(uint *)str)[1]; |
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45 str++; |
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46 len--; |
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47 } |
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48 |
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49 return hash; |
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50 } |
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51 |
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52 int equals(void *p1, void *p2) |
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53 { |
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54 double[] s1 = *cast(double[]*)p1; |
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55 double[] s2 = *cast(double[]*)p2; |
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56 size_t len = s1.length; |
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57 |
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58 if (len != s2.length) |
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59 return 0; |
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60 for (size_t u = 0; u < len; u++) |
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61 { |
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62 int c = TypeInfo_d._equals(s1[u], s2[u]); |
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63 if (c == 0) |
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64 return 0; |
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65 } |
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66 return 1; |
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67 } |
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68 |
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69 int compare(void *p1, void *p2) |
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70 { |
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71 double[] s1 = *cast(double[]*)p1; |
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72 double[] s2 = *cast(double[]*)p2; |
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73 size_t len = s1.length; |
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74 |
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75 if (s2.length < len) |
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76 len = s2.length; |
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77 for (size_t u = 0; u < len; u++) |
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78 { |
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79 int c = TypeInfo_d._compare(s1[u], s2[u]); |
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80 if (c) |
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81 return c; |
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82 } |
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83 return cast(int)s1.length - cast(int)s2.length; |
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84 } |
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85 |
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86 size_t tsize() |
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87 { |
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88 return (double[]).sizeof; |
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89 } |
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90 |
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91 uint flags() |
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92 { |
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93 return 1; |
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94 } |
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95 |
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96 TypeInfo next() |
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97 { |
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98 return typeid(double); |
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99 } |
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100 } |
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101 |
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102 // idouble[] |
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103 |
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104 class TypeInfo_Ap : TypeInfo_Ad |
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105 { |
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106 char[] toString() { return "idouble[]"; } |
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107 |
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108 TypeInfo next() |
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109 { |
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110 return typeid(idouble); |
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111 } |
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112 } |