%!PS

% begin included library code
% see https://github.com/Firedrake/postscript-libraries/
/apush.left { % [b c] a -> [a b c]
    exch % a [b c]
    [ 3 1 roll aload pop ]
} bind def

/deepeq {
    2 dict begin
    /a exch def
    /b exch def
    a type b type eq {
        a type /dicttype eq {
            a length b length eq {
                <<
                    a {
                        pop
                        true
                    } forall
                    b {
                        pop
                        true
                    } forall
                >>
                true exch
                {
                    pop
                    dup a exch known {
                        dup b exch known {
                            dup a exch get exch b exch get deepeq not {
                                pop false
                            } if
                        } {
                            false
                        } ifelse
                    } {
                        false
                    } ifelse
                } forall
            } {
                false
            } ifelse
        } {
            a type dup /arraytype eq exch /stringtype eq or {
                a length b length eq {
                    true
                    0 1 a length 1 sub {
                        dup a exch get exch b exch get deepeq not {
                            pop false
                            exit
                        } if
                    } for
                } {
                    false
                } ifelse
            } {
                a b eq
            } ifelse
        } ifelse
    } {
        false
    } ifelse
    end
} bind def

/test.start {
    print (:) print
    /test.pass 0 def
    /test.count 0 def
} bind def

/test.end {
    ( ) print
    test.count 0 gt {
        (Passed ) print
        test.pass (...) cvs print
        (/) print
        test.count (...) cvs print
        ( \() print
        test.pass 100 mul test.count idiv (...) cvs print
        (%\)) print
        (\r\n) print
    } if
} bind def

/test {
    /test.count test.count 1 add def
    {
        /test.pass test.pass 1 add def
    } {
        ( ) print
        test.count (....) cvs print
        (-fail) print
    } ifelse
} bind def

/apush.right { % [a b] c -> [a b c]
    exch
    [ exch aload length 2 add -1 roll ]
} bind def


% end included library code

/disarium {
    9 dict begin
    /ct exch def
    /pows [ [ 10 { 1 } repeat ] ] def
    /c 0 def
    [
        {
            /disar 0 def
            c 0 ge {
                /ca c def
                /cl 0 array def
                {
                    ca 0 le {
                        exit
                    } if
                    /cl cl ca 10 mod apush.left def
                    /ca ca 10 idiv def
                } loop
                cl length pows length ge {
                    pows length 1 cl length {
                        /power exch def
                        /pows pows
                        [
                            0 1 9 {
                                /digit exch def
                                pows power 1 sub get digit get digit mul
                            } for
                        ]
                        apush.right def
                    } for
                } if
                0 1 cl length 1 sub {
                    /i exch def
                    /disar disar pows i 1 add get cl i get get add def
                } for
            } if
            disar c eq {
                c
                /ct ct 1 sub def
                ct 0 le {
                    exit
                } if
            } if
            /c c 1 add def
        } loop
    ]
    end
} bind def

(disarium) test.start
19 disarium
[ 0 1 2 3 4 5 6 7 8 9 89 135 175 518 598 1306 1676 2427 2646798 ]
deepeq test
test.end