Mercurial > projects > ldc
diff tango/lib/compiler/llvmdc/typeinfo/ti_real.d @ 132:1700239cab2e trunk
[svn r136] MAJOR UNSTABLE UPDATE!!!
Initial commit after moving to Tango instead of Phobos.
Lots of bugfixes...
This build is not suitable for most things.
author | lindquist |
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date | Fri, 11 Jan 2008 17:57:40 +0100 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tango/lib/compiler/llvmdc/typeinfo/ti_real.d Fri Jan 11 17:57:40 2008 +0100 @@ -0,0 +1,64 @@ + +// 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]; + } +}