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annotate lphobos/typeinfo1/ti_float.d @ 837:331a176c1f4f

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Removed error on naked, not fully complete, but I'll be doing more work on it during this Christmas, and some things do work. Fixed taking delegate of final class method. see mini/delegate3.d.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 09 Dec 2008 14:07:30 +0100
parents 373489eeaf90
children
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1
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2 // float
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3
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2c3cd3596187 [svn r62] Added support for TypeInfo _Array, _Function, _Pointer, _Delegate, _Enum
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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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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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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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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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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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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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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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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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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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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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