.. a better fsin:

\ calculate fsin 
: fsin _pihalf f- fcos ;

FYI:
\ Leon's flib and Pito's flib asm v 1.1 and atm...@25mhz:
> fmeasure ( _half fsin )
9.2494154E-3 secs duration of fsin FUNCTION ok
> fmeasure ( _half fcos )
1.23060155E-2 secs duration of fcos FUNCTION ok
> fmeasure ( _half ftan )
2.1606884E-2 secs duration of ftan FUNCTION ok
> fmeasure ( _pihalf fsin)
1.3543334E-2 secs duration of fsin FUNCTION ok
>pito


------------------------------------------------------------------------------
Nokia and AT&T present the 2010 Calling All Innovators-North America contest
Create new apps & games for the Nokia N8 for consumers in  U.S. and Canada
$10 million total in prizes - $4M cash, 500 devices, nearly $6M in marketing
Develop with Nokia Qt SDK, Web Runtime, or Java and Publish to Ovi Store 
http://p.sf.net/sfu/nokia-dev2dev
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