view tango/lib/compiler/llvmdc/typeinfo/ti_cfloat.d @ 314:8d98e42ece93 trunk

[svn r335] The basics of exception handling are in place. Still need to make sure calls are turned into invokes everywhere. (NewExpression for instance) Still some rough edges and corner cases to figure out. Needs testing!
author ChristianK
date Wed, 02 Jul 2008 22:20:18 +0200
parents 1700239cab2e
children
line wrap: on
line source


// cfloat

module typeinfo.ti_cfloat;

class TypeInfo_q : TypeInfo
{
    char[] toString() { return "cfloat"; }

    hash_t getHash(void *p)
    {
        return (cast(uint *)p)[0] + (cast(uint *)p)[1];
    }

    static int _equals(cfloat f1, cfloat f2)
    {
        return f1 == f2;
    }

    static int _compare(cfloat f1, cfloat f2)
    {   int result;

        if (f1.re < f2.re)
            result = -1;
        else if (f1.re > f2.re)
            result = 1;
        else if (f1.im < f2.im)
            result = -1;
        else if (f1.im > f2.im)
            result = 1;
        else
            result = 0;
        return result;
    }

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

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

    size_t tsize()
    {
        return cfloat.sizeof;
    }

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

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

    void[] init()
    {   static cfloat r;

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