view lphobos/typeinfo1/ti_cfloat.d @ 351:f273f5c58a9a trunk

[svn r372] Fixed extern(C++) handling now same as DMD, which is to treat it like extern(C). Fixed a problem in resolving struct types where the size of elements might not yet be known. Switched to using DMD size() instead of LLVM ABI size (TargetData).
author lindquist
date Mon, 14 Jul 2008 03:23:43 +0200
parents 79c9ac745fbc
children
line wrap: on
line source


// cfloat

module typeinfo1.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];
    }
}