If f=:g&.:h where h is a named verb, and subsequently you change h ...
On Sun, Sep 18, 2016 at 8:12 AM, Henry Rich <henryhr...@gmail.com> wrote:
> Nosing around in cu.c I find
>
> static DF1(jtundco1){DECLFG; R df1( w,atop(inv(gs),ampco(fs,gs)));}
>
> This is the routine that executes on the verb derived from u&.:v .
>
> What I don't understand is why the calculation of the inverse and &: and @
> are not performed before the derived verb is created. That result could be
> stored in h, which would shorten this code to
>
> static DF1(jtundco1){DECLFGH; R df1( w,hs);}
>
> As it is, the inverse calculation etc are performed every time the verb is
> executed on data.
>
> Can anyone show cause why this calculation should not be performed during
> the execution of &.: rather than in the derived verb?
>
> Henry
>
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