Mercurial > projects > ldc
view druntime/src/compiler/ldc/typeinfo/ti_real.d @ 1458:e0b2d67cfe7c
Added druntime (this should be removed once it works).
author | Robert Clipsham <robert@octarineparrot.com> |
---|---|
date | Tue, 02 Jun 2009 17:43:06 +0100 |
parents | |
children |
line wrap: on
line source
/** * TypeInfo support code. * * Copyright: Copyright Digital Mars 2004 - 2009. * License: <a href="http://www.boost.org/LICENSE_1_0.txt>Boost License 1.0</a>. * Authors: Walter Bright * * Copyright Digital Mars 2004 - 2009. * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * http://www.boost.org/LICENSE_1_0.txt) */ module rt.typeinfo.ti_real; // real class TypeInfo_e : TypeInfo { override string toString() { return "real"; } override hash_t getHash(in void* p) { return (cast(uint *)p)[0] + (cast(uint *)p)[1] + (cast(ushort *)p)[4]; } static equals_t _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); } override equals_t equals(in void* p1, in void* p2) { return _equals(*cast(real *)p1, *cast(real *)p2); } override int compare(in void* p1, in void* p2) { return _compare(*cast(real *)p1, *cast(real *)p2); } override size_t tsize() { return real.sizeof; } override void swap(void *p1, void *p2) { real t; t = *cast(real *)p1; *cast(real *)p1 = *cast(real *)p2; *cast(real *)p2 = t; } override void[] init() { static immutable real r; return (cast(real *)&r)[0 .. 1]; } }