On Thursday 18 April 2002 2:13 pm, Herbert Voss wrote: > Angus Leeming wrote: > > On Thursday 18 April 2002 1:45 pm, Lars Gullik Bjønnes wrote: > >>Herbert Voss <[EMAIL PROTECTED]> writes: > >>| Angus Leeming wrote: > >>>> r = int(factor * double(r)); > >>>> g = int(factor * double(g)); > >>>> b = int(factor * double(b)); > >>| > >>| never divide or multiply with powers of 2! > >> > >>Hmm why? > > > > You mean use left-shit and right-shift operators? > > No; I hate them. It's equivalent to pointer arithmetic and IMO is an > > optimisation that's justified only very rarely. > > I can't understand why you are using floats for > pure hexadecimal operations. You want nothing else > than only specific bytes. that's nothing else > than shift and logical oprators and it has > nothing to do with pointer aritjmetics. shift is > one cycle in assembler code ... > > Herbert
Feel free to patch. A
