view tango/lib/compiler/llvmdc/typeinfo/ti_real.d @ 339:385a18242485 trunk

[svn r360] Another mostly rewrite of DtoArrayInit. Should be much more robust now, and probably faster code generated for the most common cases too! Fixed issues with slice initialization (!!!) of multidimensional static arrays. Attempt to fix issue with referencing nested 'this' pointers introduced in DMD 1.033 merge.
author lindquist
date Sun, 13 Jul 2008 01:29:49 +0200
parents 1700239cab2e
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];
    }
}