view runtime/internal/typeinfo/ti_real.d @ 650:aa6a0b7968f7

Added test case for bug #100 Removed dubious check for not emitting static private global in other modules without access. This should be handled properly somewhere else, it's causing unresolved global errors for stuff that should work (in MiniD)
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Sun, 05 Oct 2008 17:28:15 +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];
    }
}