-- convert numbers to words:
-- usage: n2w |12345>
-- updated to the version 3.1.1 language
ones |1> => |one>
ones |2> => |two>
ones |3> => |three>
ones |4> => |four>
ones |5> => |five>
ones |6> => |six>
ones |7> => |seven>
ones |8> => |eight>
ones |9> => |nine>
tens |10> => |ten>
tens |11> => |eleven>
tens |12> => |twelve>
tens |13> => |thirteen>
tens |14> => |fourteen>
tens |15> => |fifteen>
tens |16> => |sixteen>
tens |17> => |seventeen>
tens |18> => |eighteen>
tens |19> => |nineteen>
ten |20> => |twenty>
ten |30> => |thirty>
ten |40> => |forty>
ten |50> => |fifty>
ten |60> => |sixty>
ten |70> => |seventy>
ten |80> => |eighty>
ten |90> => |ninety>
tens |*> #=> smerge[" "] sdrop ( ten times-by[10] int-divide-by[10] |_self> . ones mod[10] |_self> )
hundreds-rule |*> #=> smerge[" and "] (hundreds int-divide-by[100] mod[1000] |_self> . tens mod[100] |_self>)
hundreds |0> #=> |>
hundreds |*> #=> ones |_self> __ |hundred>
thousands |0> #=> |>
thousands |*> #=> hundreds-rule |_self> __ |thousand>
millions |0> #=> |>
millions |*> #=> hundreds-rule |_self> __ |million>
billions |0> #=> |>
billions |*> #=> hundreds-rule |_self> __ |billion>
trillions |0> #=> |>
trillions |*> #=> hundreds-rule |_self> __ |trillion>
n2w |0> => |zero>
op |seq> => |op: hundreds-rule> . |op: thousands> . |op: millions> . |op: billions> . |op: trillions>
-- our numbers to words operator:
n2w |*> #=> smerge[", "] sreverse op-zip(op |seq>) split-num |_self>
-- the split-number operator:
-- split-num |*> #=> op-if(is-less-than[1000] |_self>, |op: is-less-than-1000>, |op: is-greater-than-1000>) |_self>
-- is-less-than-1000 |*> #=> |_self>
-- is-greater-than-1000 |*> #=> mod[1000] |_self> . split-num int-divide-by[1000] |_self>
split-num |*> #=>
if( is-less-than[1000] |__self> ):
|__self>
else:
mod[1000] |__self> . split-num int-divide-by[1000] |__self>
end:
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