(Usual place: http://www.mir.com/DMG/Software/ )
This minor update does two.five things:
o Actually change the default kernel from 'linear' to something else.
o Implement Keys' 4th-order cubic kernel --- as 'cubicK4' ---
as suggested by Nicholas Boos.
o Make 'cubicK4' the default kernel.
'cubicK4' uses the same processing power as 'sinc:4', but trades off some
cut-off sharpness for less ringing artifacts. But, it's a bit sharper
in cut-off and flatter in the passband than 'cubic' or 'cubicCR'.
-matt m.
ps: sms' suggestions for PPC CPU optimization flags are now in the Makefile,
but you'll have to uncomment them manually. (One step at a time...)
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