RosettaCodeData/Task/Van-der-Corput-sequence/Forth/van-der-corput-sequence.fth

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Forth
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2013-04-11 01:07:29 -07:00
: fvdc ( base n -- f )
0e 1e ( F: vdc denominator )
begin dup while
over s>d d>f f*
over /mod ( base rem n )
swap s>d d>f fover f/
frot f+ fswap
repeat 2drop fdrop ;
: test 10 0 do 2 i fvdc cr f. loop ;