/*
 *  call-seq:
 *     bv1 ^ bv2    -> xored_bv
 *     bv1.xor(bv2) -> xored_bv
 *  
 *  Perform a boolean _xor_ operation on +bv1+ and
 *  +bv2+
 */
VALUE
frt_bv_xor(VALUE self, VALUE other)
{
    BitVector *bv1, *bv2;
    GET_BV(bv1, self);
    GET_BV(bv2, other);
    return Data_Wrap_Struct(cBitVector, NULL, &bv_destroy, bv_xor(bv1, bv2));
}