annotate druntime/src/compiler/ldc/typeinfo/ti_cdouble.d @ 1458:e0b2d67cfe7c

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_cdouble;
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14
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15 // cdouble
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16
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17 class TypeInfo_r : TypeInfo
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18 {
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19 override string toString() { return "cdouble"; }
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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 }
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26
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27 static equals_t _equals(cdouble f1, cdouble f2)
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28 {
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29 return f1 == f2;
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30 }
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31
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32 static int _compare(cdouble f1, cdouble f2)
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33 { int result;
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34
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35 if (f1.re < f2.re)
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36 result = -1;
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37 else if (f1.re > f2.re)
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38 result = 1;
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39 else if (f1.im < f2.im)
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40 result = -1;
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41 else if (f1.im > f2.im)
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42 result = 1;
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43 else
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44 result = 0;
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45 return result;
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46 }
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47
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48 override equals_t equals(in void* p1, in void* p2)
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49 {
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50 return _equals(*cast(cdouble *)p1, *cast(cdouble *)p2);
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51 }
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52
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53 override int compare(in void* p1, in void* p2)
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54 {
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55 return _compare(*cast(cdouble *)p1, *cast(cdouble *)p2);
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56 }
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57
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58 override size_t tsize()
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59 {
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60 return cdouble.sizeof;
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61 }
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62
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63 override void swap(void *p1, void *p2)
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64 {
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65 cdouble t;
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66
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67 t = *cast(cdouble *)p1;
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68 *cast(cdouble *)p1 = *cast(cdouble *)p2;
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69 *cast(cdouble *)p2 = t;
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70 }
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71
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72 override void[] init()
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73 { static immutable cdouble r;
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74
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75 return (cast(cdouble *)&r)[0 .. 1];
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76 }
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77 }