Mercurial > projects > ldc
annotate lphobos/typeinfo1/ti_float.d @ 535:f79bbd1d0b27
Add __APPLE__ to most #if linux compile time switches.
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sun, 24 Aug 2008 16:54:06 +0200 |
parents | 373489eeaf90 |
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2 // float |
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4 module typeinfo1.ti_float; |
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6 import std.gc: malloc; |
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7 class TypeInfo_f : TypeInfo |
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8 { |
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9 char[] toString() { return "float"; } |
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10 |
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11 hash_t getHash(void *p) |
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12 { |
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13 return *cast(uint *)p; |
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14 } |
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15 |
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16 static bool _isnan(float f) |
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17 { |
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18 return f !<>= 0; |
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19 } |
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20 |
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21 static int _equals(float f1, float f2) |
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22 { |
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23 return f1 == f2 || |
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24 (_isnan(f1) && _isnan(f2)); |
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25 } |
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26 |
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27 static int _compare(float d1, float d2) |
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28 { |
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29 if (d1 !<>= d2) // if either are NaN |
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30 { |
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31 if (_isnan(d1)) |
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32 { if (_isnan(d2)) |
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33 return 0; |
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34 return -1; |
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35 } |
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36 return 1; |
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37 } |
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38 return (d1 == d2) ? 0 : ((d1 < d2) ? -1 : 1); |
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39 } |
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40 |
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41 int equals(void *p1, void *p2) |
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42 { |
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43 return _equals(*cast(float *)p1, *cast(float *)p2); |
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44 } |
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45 |
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46 int compare(void *p1, void *p2) |
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47 { |
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48 return _compare(*cast(float *)p1, *cast(float *)p2); |
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49 } |
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50 |
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51 size_t tsize() |
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52 { |
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53 return float.sizeof; |
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54 } |
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55 |
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56 void swap(void *p1, void *p2) |
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57 { |
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58 float t; |
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60 t = *cast(float *)p1; |
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61 *cast(float *)p1 = *cast(float *)p2; |
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62 *cast(float *)p2 = t; |
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63 } |
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64 |
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65 void[] init() |
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66 { |
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67 return (cast(float*)malloc(float.sizeof))[0..1]; |
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68 } |
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69 } |
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