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annotate druntime/src/compiler/dmd/typeinfo/ti_cfloat.d @ 759:d3eb054172f9

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Added copy of druntime from DMD 2.020 modified for LDC.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 11 Nov 2008 01:52:37 +0100
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d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.
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1
d3eb054172f9 Added copy of druntime from DMD 2.020 modified for LDC.
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2 // cfloat
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3
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4 module rt.typeinfo.ti_cfloat;
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5
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6 class TypeInfo_q : TypeInfo
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7 {
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8 override string toString() { return "cfloat"; }
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9
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10 override hash_t getHash(in 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 equals_t _equals(cfloat f1, cfloat f2)
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16 {
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17 return f1 == f2;
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18 }
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19
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20 static int _compare(cfloat f1, cfloat f2)
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21 { int result;
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22
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23 if (f1.re < f2.re)
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24 result = -1;
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25 else if (f1.re > f2.re)
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26 result = 1;
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27 else if (f1.im < f2.im)
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28 result = -1;
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29 else if (f1.im > f2.im)
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30 result = 1;
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31 else
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32 result = 0;
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33 return result;
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34 }
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35
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36 override equals_t equals(in void* p1, in void* p2)
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37 {
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38 return _equals(*cast(cfloat *)p1, *cast(cfloat *)p2);
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39 }
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41 override int compare(in void* p1, in void* p2)
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42 {
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43 return _compare(*cast(cfloat *)p1, *cast(cfloat *)p2);
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44 }
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46 override size_t tsize()
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47 {
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48 return cfloat.sizeof;
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49 }
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50
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51 override void swap(void *p1, void *p2)
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52 {
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53 cfloat t;
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54
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55 t = *cast(cfloat *)p1;
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56 *cast(cfloat *)p1 = *cast(cfloat *)p2;
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57 *cast(cfloat *)p2 = t;
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58 }
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59
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60 override void[] init()
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61 { static cfloat r;
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62
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63 return (cast(cfloat *)&r)[0 .. 1];
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64 }
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65 }