Mercurial > projects > ldc
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> |
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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 } |