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151 lines
4.5 KiB
Plaintext
151 lines
4.5 KiB
Plaintext
:: |number-to-words: conversion of unsigned integers to a tape
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::
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:: returns a unit because not all numbers can always be represented
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::
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|%
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++ numbers
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|%
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++ ten 10
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++ one-hundred 100
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++ one-thousand (pow 10 3)
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++ one-million (pow 10 6)
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++ one-billion (pow 10 9)
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++ one-trillion (pow 10 12)
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++ one-quadrillion (pow 10 15)
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++ one-quintillion (pow 10 18)
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++ one-sextillion (pow 10 21)
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++ one-septillion (pow 10 24)
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++ one-octillion (pow 10 27)
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++ one-nonillion (pow 10 30)
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++ one-decillion (pow 10 33)
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++ one-undecillion (pow 10 36)
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++ one-duodecillion (pow 10 39)
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++ one-tredecillion (pow 10 42)
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++ one-quattuordecillion (pow 10 45)
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++ one-quindecillion (pow 10 48)
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++ one-sexdecillion (pow 10 51)
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++ one-septendecillion (pow 10 54)
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++ one-octodecillion (pow 10 57)
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++ one-novemdecillion (pow 10 60)
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++ one-vigintillion (pow 10 63)
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++ max (pow 10 66)
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--
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++ eng-us
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|%
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++ to-words
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|= num=@u
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^- (unit tape)
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=+ numbers
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?: (gte num max)
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~
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:- ~
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|-
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^- tape
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:: 0-19
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?: =(num 0) "zero"
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?: =(num 1) "one"
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?: =(num 2) "two"
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?: =(num 3) "three"
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?: =(num 4) "four"
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?: =(num 5) "five"
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?: =(num 6) "six"
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?: =(num 7) "seven"
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?: =(num 8) "eight"
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?: =(num 9) "nine"
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?: =(num 10) "ten"
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?: =(num 11) "eleven"
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?: =(num 12) "twelve"
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?: =(num 13) "thirteen"
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?: =(num 14) "fourteen"
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?: =(num 15) "fifteen"
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?: =(num 16) "sixteen"
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?: =(num 17) "seventeen"
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?: =(num 18) "eighteen"
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?: =(num 19) "nineteen"
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:: 20-99
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::
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:: tpl: tens place
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:: rem: ones place
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:: sfx: suffix
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::
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=/ tpl (div num ten)
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=/ rem (mod num ten)
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=/ sfx
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?: |(=(rem 0) (gte tpl 10))
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~
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['-' $(num rem)]
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?: =(tpl 2) (weld "twenty" sfx)
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?: =(tpl 3) (weld "thirty" sfx)
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?: =(tpl 4) (weld "forty" sfx)
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?: =(tpl 5) (weld "fifty" sfx)
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?: =(tpl 6) (weld "sixty" sfx)
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?: =(tpl 7) (weld "seventy" sfx)
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?: =(tpl 8) (weld "eighty" sfx)
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?: =(tpl 9) (weld "ninety" sfx)
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:: 100-max
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::
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:: num-break: repeated pattern from 100 on
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::
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=/ num-break
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::
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:: min: minimum to qualify for this break
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:: str: english word for this break
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::
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|= [min=@u str=tape]
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=/ rem (mod num min)
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;: weld
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^$(num (div num min))
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[' ' str]
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?: =(rem 0)
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~
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%+ weld
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?:((lth rem one-hundred) " and " ", ")
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^$(num rem)
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==
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::
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?: (lth num one-thousand)
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(num-break one-hundred "hundred")
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?: (lth num one-million)
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(num-break one-thousand "thousand")
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?: (lth num one-billion)
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(num-break one-million "million")
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?: (lth num one-trillion)
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(num-break one-billion "billion")
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?: (lth num one-quadrillion)
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(num-break one-trillion "trillion")
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?: (lth num one-quintillion)
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(num-break one-quadrillion "quadrillion")
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?: (lth num one-sextillion)
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(num-break one-quintillion "quintillion")
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?: (lth num one-septillion)
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(num-break one-sextillion "sextillion")
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?: (lth num one-octillion)
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(num-break one-septillion "septillion")
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?: (lth num one-nonillion)
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(num-break one-octillion "octillion")
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?: (lth num one-decillion)
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(num-break one-nonillion "nonillion")
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?: (lth num one-undecillion)
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(num-break one-decillion "decillion")
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?: (lth num one-duodecillion)
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(num-break one-undecillion "undecillion")
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?: (lth num one-tredecillion)
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(num-break one-duodecillion "duodecillion")
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?: (lth num one-quattuordecillion)
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(num-break one-tredecillion "tredecillion")
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?: (lth num one-quindecillion)
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(num-break one-quattuordecillion "quattuordecillion")
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?: (lth num one-sexdecillion)
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(num-break one-quindecillion "quindecillion")
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?: (lth num one-septendecillion)
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(num-break one-sexdecillion "sexdecillion")
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?: (lth num one-octodecillion)
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(num-break one-septendecillion "septendecillion")
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?: (lth num one-novemdecillion)
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(num-break one-octodecillion "octodecillion")
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?: (lth num one-vigintillion)
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(num-break one-novemdecillion "novemdecillion")
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(num-break one-vigintillion "vigintillion")
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--
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--
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