>roman ( n -- str )
Roman numerals

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Vocabulary
roman

Inputs

n	an integer

Outputs

str

a string

Word description
Converts a number to its lower-case Roman Numeral equivalent.

Notes
The range for this word is 1-3999, inclusive.

Examples

USING: io roman ; 56 >roman print
lvi

See also
>ROMAN, roman>

Definition

USING: kernel math roman.private sequences ;

IN: roman

: >roman ( n -- str )
    roman-range-check roman-values roman-digits
    [ [ /mod swap ] dip <repetition> concat ] 2map "" concat-as
    nip ;