On 08/12/15 00:42, Bernhard Übelacker wrote: > + ok(*(unsigned*)&f == __inf_bytes && sizeof(unsigned) == sizeof(float), "f = %x\n", *(unsigned*)&f); It would be nicer to use _finitef from msvcr120 here. Thanks to it you can avoid __inf_bytes and __ninf_bytes declaration. Thanks, Piotr