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annotate lphobos/typeinfo1/ti_double.d @ 650:aa6a0b7968f7

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Added test case for bug #100 Removed dubious check for not emitting static private global in other modules without access. This should be handled properly somewhere else, it's causing unresolved global errors for stuff that should work (in MiniD)
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Sun, 05 Oct 2008 17:28:15 +0200
parents 2c3cd3596187
children
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1
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2 // double
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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_double;
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5
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6 class TypeInfo_d : TypeInfo
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7 {
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8 char[] toString() { return "double"; }
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9
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10 hash_t getHash(void *p)
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11 {
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12 return (cast(uint *)p)[0] + (cast(uint *)p)[1];
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13 }
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15 static bool _isnan(double d)
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16 {
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17 return d !<>= 0;
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18 }
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20 static int _equals(double f1, double f2)
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21 {
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22 return f1 == f2 ||
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23 (_isnan(f1) && _isnan(f2));
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24 }
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26 static int _compare(double d1, double d2)
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27 {
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28 if (d1 !<>= d2) // if either are NaN
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29 {
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30 if (_isnan(d1))
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31 { if (_isnan(d2))
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32 return 0;
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33 return -1;
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34 }
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35 return 1;
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36 }
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37 return (d1 == d2) ? 0 : ((d1 < d2) ? -1 : 1);
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38 }
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40 int equals(void *p1, void *p2)
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41 {
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42 return _equals(*cast(double *)p1, *cast(double *)p2);
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43 }
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44
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45 int compare(void *p1, void *p2)
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46 {
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47 return _compare(*cast(double *)p1, *cast(double *)p2);
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48 }
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50 size_t tsize()
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51 {
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52 return double.sizeof;
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53 }
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55 void swap(void *p1, void *p2)
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56 {
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57 double t;
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59 t = *cast(double *)p1;
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60 *cast(double *)p1 = *cast(double *)p2;
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61 *cast(double *)p2 = t;
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62 }
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64 void[] init()
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65 { static double r;
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67 return (&r)[0 .. 1];
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68 }
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69 }
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