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annotate druntime/src/compiler/dmd/typeinfo/ti_creal.d @ 1458:e0b2d67cfe7c

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Added druntime (this should be removed once it works).
author Robert Clipsham <robert@octarineparrot.com>
date Tue, 02 Jun 2009 17:43:06 +0100
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1458
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1 /**
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2 * TypeInfo support code.
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3 *
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4 * Copyright: Copyright Digital Mars 2004 - 2009.
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5 * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>.
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6 * Authors: Walter Bright
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7 *
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8 * Copyright Digital Mars 2004 - 2009.
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9 * Distributed under the Boost Software License, Version 1.0.
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10 * (See accompanying file LICENSE_1_0.txt or copy at
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11 * http://www.boost.org/LICENSE_1_0.txt)
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12 */
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13 module rt.typeinfo.ti_creal;
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14
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15 // creal
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16
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17 class TypeInfo_c : TypeInfo
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18 {
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19 override string toString() { return "creal"; }
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20
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21 override hash_t getHash(in void* p)
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22 {
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23 return (cast(uint *)p)[0] + (cast(uint *)p)[1] +
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24 (cast(uint *)p)[2] + (cast(uint *)p)[3] +
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25 (cast(uint *)p)[4];
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26 }
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27
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28 static equals_t _equals(creal f1, creal f2)
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29 {
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30 return f1 == f2;
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31 }
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32
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33 static int _compare(creal f1, creal f2)
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34 { int result;
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35
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36 if (f1.re < f2.re)
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37 result = -1;
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38 else if (f1.re > f2.re)
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39 result = 1;
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40 else if (f1.im < f2.im)
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41 result = -1;
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42 else if (f1.im > f2.im)
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43 result = 1;
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44 else
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45 result = 0;
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46 return result;
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47 }
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48
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49 override equals_t equals(in void* p1, in void* p2)
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50 {
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51 return _equals(*cast(creal *)p1, *cast(creal *)p2);
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52 }
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53
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54 override int compare(in void* p1, in void* p2)
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55 {
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56 return _compare(*cast(creal *)p1, *cast(creal *)p2);
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57 }
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58
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59 override size_t tsize()
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60 {
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61 return creal.sizeof;
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62 }
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63
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64 override void swap(void *p1, void *p2)
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65 {
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66 creal t;
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67
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68 t = *cast(creal *)p1;
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69 *cast(creal *)p1 = *cast(creal *)p2;
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70 *cast(creal *)p2 = t;
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71 }
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72
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73 override void[] init()
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74 { static immutable creal r;
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75
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76 return (cast(creal *)&r)[0 .. 1];
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77 }
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78 }