Mercurial > projects > ldc
annotate lphobos/typeinfo1/ti_real.d @ 1650:40bd4a0d4870
Update to work with LLVM 2.7.
Removed use of dyn_cast, llvm no compiles
without exceptions and rtti by
default. We do need exceptions for the libconfig stuff, but rtti isn't
necessary (anymore).
Debug info needs to be rewritten, as in LLVM 2.7 the format has
completely changed. To have something to look at while rewriting, the
old code has been wrapped inside #ifndef DISABLE_DEBUG_INFO , this means
that you have to define this to compile at the moment.
Updated tango 0.99.9 patch to include updated EH runtime code, which is
needed for LLVM 2.7 as well.
author | Tomas Lindquist Olsen |
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date | Wed, 19 May 2010 12:42:32 +0200 |
parents | 2c3cd3596187 |
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rev | line source |
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2 // real |
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4 module typeinfo1.ti_real; |
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5 |
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6 class TypeInfo_e : TypeInfo |
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7 { |
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8 char[] toString() { return "real"; } |
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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] + (cast(ushort *)p)[4]; |
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13 } |
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14 |
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15 static bool _isnan(real r) |
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16 { |
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17 return r !<>= 0; |
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18 } |
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19 |
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20 static int _equals(real f1, real 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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25 |
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26 static int _compare(real d1, real 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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39 |
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40 int equals(void *p1, void *p2) |
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41 { |
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42 return _equals(*cast(real *)p1, *cast(real *)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(real *)p1, *cast(real *)p2); |
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48 } |
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49 |
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50 size_t tsize() |
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51 { |
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52 return real.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 real t; |
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59 t = *cast(real *)p1; |
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60 *cast(real *)p1 = *cast(real *)p2; |
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61 *cast(real *)p2 = t; |
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62 } |
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64 void[] init() |
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65 { static real r; |
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66 |
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67 return (&r)[0 .. 1]; |
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68 } |
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69 } |
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