Brian Harvey scripsit:

> Do these constant-factor space optimizations still matter to anybody in these
> days when I have 16 Gb in my cell phone?  It's not like, e.g., tail call
> elimination, which is an order-of-growth space optimization.

The speed still matters: out-of-band data requires at least an extra memory
fetch, maybe more depending on the bus size, and that's becoming relatively
more expensive all the time.

> I'm guessing you have to expand that short float into a long float before
> you do arithmetic on it, anyway, right?

No.  Modern processors fully support single-float, and so does ANSI/ISO C.

-- 
Híggledy-pìggledy / XML programmers            John Cowan
Try to escape those / I-eighteen-N woes;        http://www.ccil.org/~cowan
Incontrovertibly / What we need more of is      [email protected]
Unicode weenies and / François Yergeaus.

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