Mercurial > projects > ldc
diff druntime/src/compiler/ldc/typeinfo/ti_float.d @ 759:d3eb054172f9
Added copy of druntime from DMD 2.020 modified for LDC.
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Tue, 11 Nov 2008 01:52:37 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/druntime/src/compiler/ldc/typeinfo/ti_float.d Tue Nov 11 01:52:37 2008 +0100 @@ -0,0 +1,64 @@ + +// float + +module rt.typeinfo.ti_float; + +class TypeInfo_f : TypeInfo +{ + override string toString() { return "float"; } + + override hash_t getHash(in void* p) + { + return *cast(uint *)p; + } + + static equals_t _equals(float f1, float f2) + { + return f1 == f2 || + (f1 !<>= f1 && f2 !<>= f2); + } + + static int _compare(float d1, float 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); + } + + override equals_t equals(in void* p1, in void* p2) + { + return _equals(*cast(float *)p1, *cast(float *)p2); + } + + override int compare(in void* p1, in void* p2) + { + return _compare(*cast(float *)p1, *cast(float *)p2); + } + + override size_t tsize() + { + return float.sizeof; + } + + override void swap(void *p1, void *p2) + { + float t; + + t = *cast(float *)p1; + *cast(float *)p1 = *cast(float *)p2; + *cast(float *)p2 = t; + } + + override void[] init() + { static float r; + + return (cast(float *)&r)[0 .. 1]; + } +}