view runtime/internal/typeinfo/ti_float.d @ 834:f466f475b654

Added proper "need 'this' to access member foo" errors instead of "variable foo not resolved" for some cases, added FIXME for the old error! Added a bit more information to the runtime's cyclic dependency detection exception.
author Tomas Lindquist Olsen <tomas.l.olsen@gmail.com>
date Tue, 09 Dec 2008 01:56:39 +0100
parents 44f08170f4ef
children
line wrap: on
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// float

module typeinfo.ti_float;

class TypeInfo_f : TypeInfo
{
    char[] toString() { return "float"; }

    hash_t getHash(void *p)
    {
        return *cast(uint *)p;
    }

    static int _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);
    }

    int equals(void *p1, void *p2)
    {
        return _equals(*cast(float *)p1, *cast(float *)p2);
    }

    int compare(void *p1, void *p2)
    {
        return _compare(*cast(float *)p1, *cast(float *)p2);
    }

    size_t tsize()
    {
        return float.sizeof;
    }

    void swap(void *p1, void *p2)
    {
        float t;

        t = *cast(float *)p1;
        *cast(float *)p1 = *cast(float *)p2;
        *cast(float *)p2 = t;
    }

    void[] init()
    {   static float r;

        return (cast(float *)&r)[0 .. 1];
    }
}