Re: [Flashforth-devel] punctuation, bit?

[Mikael N. <mik...@pp...>]

Hi,
I have been quite busy lately with other things.
Summer is coming, so I don't have that much time to sit inside at the 
computer.

If you look at the code below, both if statements are equally fast in 
FlashForth
since the 0= will be optimized away by the compiler.

4 5 bit?: testbit
testbit if blabla then
testbit 0= if blabla then

BR Mike

On 05/13/2014 09:44 PM, Herman Attila wrote:
> Hi Mikael
>
> - Previously we talk on the punctuation of numbers, but I can't found
> it in FF5.0.
> The latest version of idea that you wrote (27. march):
>
> ------------------------------------------------
> I plan now to do it like this
> Just one punctuation char for grouping digits.
>
> Single precision number
> #-10.345
> %1011.1101.1111.0000
> $fad.e
>
> Double precision numbers
> %1011.1101.1111.0000.
> #-10.345.
> $fade.babe.
> -------------------------------------------------
>
> Other:
>
> - I know, it is a bit late, but I have some thought on the bit
> manipulating words. The incidence of testing for bit=0 and bit=1 are
> similar. Using a bit0?: word would be faster then inverting result of
> bit? . Maybe the notation is bit0?: and bit1?: for the symmetry.
>    I think, a bit toggle word (perhaps bit-tgl: ) would be a good
> addition to bit0: and bit1:
>
> BR
> Attila
>
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