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view druntime/src/compiler/dmd/typeinfo/ti_double.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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// double module rt.typeinfo.ti_double; class TypeInfo_d : TypeInfo { override string toString() { return "double"; } override hash_t getHash(in void* p) { return (cast(uint *)p)[0] + (cast(uint *)p)[1]; } static equals_t _equals(double f1, double f2) { return f1 == f2 || (f1 !<>= f1 && f2 !<>= f2); } static int _compare(double d1, double 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(double *)p1, *cast(double *)p2); } override int compare(in void* p1, in void* p2) { return _compare(*cast(double *)p1, *cast(double *)p2); } override size_t tsize() { return double.sizeof; } override void swap(void *p1, void *p2) { double t; t = *cast(double *)p1; *cast(double *)p1 = *cast(double *)p2; *cast(double *)p2 = t; } override void[] init() { static double r; return (cast(double *)&r)[0 .. 1]; } }