Mercurial > projects > ldc
view runtime/internal/typeinfo/ti_real.d @ 1480:b3ba2c6ff038
Use `llvm.memset` instead of `_d_array_init_i1` and `_d_array_init_i8`.
This exposes what's happening to LLVM, and memset is probably faster than the
runtime functions we were using anyway.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Sun, 07 Jun 2009 13:57:59 +0200 |
parents | 44f08170f4ef |
children |
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// real module typeinfo.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 int _equals(real f1, real f2) { return f1 == f2 || (f1 !<>= f1 && f2 !<>= f2); } static int _compare(real d1, real d2) { if (d1 !<>= d2) // if either are NaN { if (d1 !<>= d1) { if (d2 !<>= 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 (cast(real *)&r)[0 .. 1]; } }