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view lphobos/typeinfo1/ti_real.d @ 1404:11b122f92136
Now that templates instantiations are no longer emitted for all modules that
even blink at them they seem to break due to being linkonce (if compiled with
any optimization level > 0), so let's give them weak linkage instead.
The difference is that unreferenced linkonce symbols can be deleted, while
weak symbols need to be preserved.
author | Frits van Bommel <fvbommel wxs.nl> |
---|---|
date | Thu, 21 May 2009 15:23:28 +0200 |
parents | 2c3cd3596187 |
children |
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// real module typeinfo1.ti_real; class TypeInfo_e : TypeInfo { char[] toString() { return "real"; } hash_t getHash(void *p) { return (cast(uint *)p)[0] + (cast(uint *)p)[1] + (cast(ushort *)p)[4]; } static bool _isnan(real r) { return r !<>= 0; } static int _equals(real f1, real f2) { return f1 == f2 || (_isnan(f1) && _isnan(f2)); } static int _compare(real d1, real d2) { if (d1 !<>= d2) // if either are NaN { if (_isnan(d1)) { if (_isnan(d2)) return 0; return -1; } return 1; } return (d1 == d2) ? 0 : ((d1 < d2) ? -1 : 1); } int equals(void *p1, void *p2) { return _equals(*cast(real *)p1, *cast(real *)p2); } int compare(void *p1, void *p2) { return _compare(*cast(real *)p1, *cast(real *)p2); } size_t tsize() { return real.sizeof; } void swap(void *p1, void *p2) { real t; t = *cast(real *)p1; *cast(real *)p1 = *cast(real *)p2; *cast(real *)p2 = t; } void[] init() { static real r; return (&r)[0 .. 1]; } }