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%%
%% `numspell-latin.sty' Latin language package for 'numspell.sty'
%%
%% Copyright 2021 by Keno Wehr
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%   http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Keno Wehr.
%%
\NeedsTeXFormat{LaTeX2e}[1999/12/01]
\ProvidesPackage{numspell-latin}[2021/11/21 v1.0 Latin language package for numspell]

%% GROUP NAMES according to Latin Wikipedia
%% https://la.wikipedia.org/wiki/Nomina_permagnorum_numerorum
\def\numspell@group@ii@la@name{\numspell@{mille}}
\def\numspell@group@iii@la@name{\numspell@{millio}}
\def\numspell@group@iv@la@name{\numspell@{milliardum}}
\def\numspell@group@v@la@name{\numspell@{billio}}
\def\numspell@group@vi@la@name{\numspell@{billiardum}}
\def\numspell@group@vii@la@name{\numspell@{trillio}}
\def\numspell@group@viii@la@name{\numspell@{trilliardum}}
\def\numspell@group@ix@la@name{\numspell@{quadrillio}}
\def\numspell@group@x@la@name{\numspell@{quadrilliardum}}
\def\numspell@group@xi@la@name{\numspell@{quintillio}}
\def\numspell@group@xii@la@name{\numspell@{quintilliardum}}
\def\numspell@group@xiii@la@name{\numspell@{sextillio}}
\def\numspell@group@xiv@la@name{\numspell@{sextilliardum}}
\def\numspell@group@xv@la@name{\numspell@{septillio}}
\def\numspell@group@xvi@la@name{\numspell@{septilliardum}}
\def\numspell@group@xvii@la@name{\numspell@{octillio}}
\def\numspell@group@xviii@la@name{\numspell@{octilliardum}}
\def\numspell@group@xix@la@name{\numspell@{nonillio}}
\def\numspell@group@xx@la@name{\numspell@{nonilliardum}}
\def\numspell@group@xxi@la@name{\numspell@{decillio}}
\def\numspell@group@xxii@la@name{\numspell@{decilliardum}}

%% GROUP NAMES (PLURAL)
\def\numspell@group@ii@la@name@plural{\numspell@{milia}}
\def\numspell@group@iii@la@name@plural{\numspell@{milliones}}
\def\numspell@group@iv@la@name@plural{\numspell@{milliarda}}
\def\numspell@group@v@la@name@plural{\numspell@{billiones}}
\def\numspell@group@vi@la@name@plural{\numspell@{billiarda}}
\def\numspell@group@vii@la@name@plural{\numspell@{trilliones}}
\def\numspell@group@viii@la@name@plural{\numspell@{trilliarda}}
\def\numspell@group@ix@la@name@plural{\numspell@{quadrilliones}}
\def\numspell@group@x@la@name@plural{\numspell@{quadrilliarda}}
\def\numspell@group@xi@la@name@plural{\numspell@{quintilliones}}
\def\numspell@group@xii@la@name@plural{\numspell@{quintilliarda}}
\def\numspell@group@xiii@la@name@plural{\numspell@{sextilliones}}
\def\numspell@group@xiv@la@name@plural{\numspell@{sextilliarda}}
\def\numspell@group@xv@la@name@plural{\numspell@{septilliones}}
\def\numspell@group@xvi@la@name@plural{\numspell@{septilliarda}}
\def\numspell@group@xvii@la@name@plural{\numspell@{octilliones}}
\def\numspell@group@xviii@la@name@plural{\numspell@{octilliarda}}
\def\numspell@group@xix@la@name@plural{\numspell@{nonilliones}}
\def\numspell@group@xx@la@name@plural{\numspell@{nonilliarda}}
\def\numspell@group@xxi@la@name@plural{\numspell@{decilliones}}
\def\numspell@group@xxii@la@name@plural{\numspell@{decilliarda}}

%% ORDINAL GROUP NAMES ("millesimus" can be found in the grammars,
%% the other forms have been created analogously based on Italian)
\def\numspell@ordgroup@ii@la@name{\numspell@{millesim}}
\def\numspell@ordgroup@iii@la@name{\numspell@{millionesim}}
\def\numspell@ordgroup@iv@la@name{\numspell@{milliardesim}}
\def\numspell@ordgroup@v@la@name{\numspell@{billionesim}}
\def\numspell@ordgroup@vi@la@name{\numspell@{billiardesim}}
\def\numspell@ordgroup@vii@la@name{\numspell@{trillionesim}}
\def\numspell@ordgroup@viii@la@name{\numspell@{trilliardesim}}
\def\numspell@ordgroup@ix@la@name{\numspell@{quadrillionesim}}
\def\numspell@ordgroup@x@la@name{\numspell@{quadrilliardesim}}
\def\numspell@ordgroup@xi@la@name{\numspell@{quintillionesim}}
\def\numspell@ordgroup@xii@la@name{\numspell@{quintilliardesim}}
\def\numspell@ordgroup@xiii@la@name{\numspell@{sextillionesim}}
\def\numspell@ordgroup@xiv@la@name{\numspell@{sextilliardesim}}
\def\numspell@ordgroup@xv@la@name{\numspell@{septillionesim}}
\def\numspell@ordgroup@xvi@la@name{\numspell@{septilliardesim}}
\def\numspell@ordgroup@xvii@la@name{\numspell@{octillionesim}}
\def\numspell@ordgroup@xviii@la@name{\numspell@{octilliardesim}}
\def\numspell@ordgroup@xix@la@name{\numspell@{nonillionesim}}
\def\numspell@ordgroup@xx@la@name{\numspell@{nonilliardesim}}
\def\numspell@ordgroup@xxi@la@name{\numspell@{decillionesim}}
\def\numspell@ordgroup@xxii@la@name{\numspell@{decilliardesim}}

%% SPELLING VARIANTS
%%
%% ae, appearing in the female plural ending, was a diphthong in classical
%% Latin. In the late antiquity it became a monophthong and was written in
%% different ways later on. Like babel-latin, we use a ligature for medieval
%% and ecclesiastic Latin.
%%
%% The letter U did not exist in classical Latin. The vowel U was always
%% written as V. In the minuscule manuscripts of the Middle Ages it evolved to
%% u. The distinction of U and V is of modern origin. So we do not use U and v
%% for classical and medieval Latin, but only for modern and ecclesiastic Latin.
%%
\def\numspell@la@ae@diphthong{%
    \def\numspell@la@ae{\numspell@{ae}}%
}
\def\numspell@la@ae@ligature{%
    \def\numspell@la@ae{\numspell@{\ae}}%
}
\def\numspell@la@use@vocalic@V{%
    \def\numspell@la@v{\numspell@{u}}%
    \def\numspell@la@uppercase@u{V}%
}
\def\numspell@la@use@U@and@v{%
    \def\numspell@la@v{\numspell@{v}}%
    \def\numspell@la@uppercase@u{U}%
}

%% WORDING VARIANTS
%%
%% The classical main forms of "twentieth" and "thirtieth" are "vicesimus" and
%% "tricesimus". Ecclesiastic Latin uses the more regular varints "vigesimus"
%% and "trigesimus" instead.
%%
%% The classical main form of "seventeen" is "septendecim", but later "decem et
%% septem" was used instead (e.g. Gen 47:28). We only use "septendecim" for
%% classical and modern Latin.
%% Reference: Lewis/Short, A Latin Dictionary: "septendecim was in use only
%% among the antiqui"
%%
%% The word "millio" for million is of modern origin. The classical term for
%% one million is "decies centena milia" (ten times hundred thousand).
%% The Thesaurus Linguae Latinae even documents the form "quadringenties milies
%% [centena milia]" (400 times 1000 times 100000, used by Sueton, ThLL v.s.
%% "miliens").
%% For classical and medieval Latin we use the classical wording for cardinal
%% numbers less than 10^11 and for ordinal numbers less than 10^7. We use the
%% modern wording in other cases.
%%
\def\numspell@la@classical@ordinals{%
    \def\numspell@la@twentieth{\numspell@la@v\numspell@{icesim}}%
    \def\numspell@la@thirtieth{\numspell@{tricesim}}%
}
\def\numspell@la@ecclesiastic@ordinals{%
    \def\numspell@la@twentieth{\numspell@la@v\numspell@{igesim}}%
    \def\numspell@la@thirtieth{\numspell@{trigesim}}%
}
\def\numspell@la@classical@seventeen{%
    \def\numspell@la@seventeen{\numspell@{septendecim}}%
}
\def\numspell@la@postclassical@seventeen{%
    \def\numspell@la@seventeen{\numspell@{decem et septem}}%
}
\newif\ifnumspell@la@modern@million

%% ADDITION AND SUBTRACTION, INVERSION OF ORDINALS
%%
%% Numbers ending in 8 or 9 can be formed by addition or by subtraction.
%% 28 by addition: viginti octo, 28 by subtraction: duodetriginta
%% We use subtraction for classical and modern Latin and addition for medieval
%% and ecclesiastic Latin.
%%
%% Ordinals under 20 are normally inverted (tertia decima for 13th). In
%% ecclesiastical Latin they are not inverted (decima tertia for 13th).
%%
%% The reference for medieval Latin is:
%% Peter Stotz, Handbuch zur lateinischen Sprache des Mittelalters (HLSMA)
%%
%% HLSMA 4, VIII, § 88
%% »Die Zahlbez’en für ,11‘ bis ,19‘ sind bereits in der Antike, und so dann
%% auch im MA, recht oft durch zwei asyndetische oder mit *et* verbundene
%% einfache Zahlwörter gegeben worden: *septem (et/ac) decem* usf., etwa auch
%% *duobus decim*. Häufig aber kommen vor: *decem et quattuor*, *d. et sex*,
%% *d. et septem*, *d. et octo*, *decem et novem*.
%% An Stelle der Bildungen auf *-decim* bei ,17‘ und *-deviginti* bei ,18‘, ,19‘
%% erscheint oft auch asyndetisches oder geeintes *decem-*: *decemseptem*,
%% *decemocto*, *decemnovem* (vgl. it. *diciasètte*, *diciòtto*, *diciannòve*).
%% (Zum Verhältnis additiver und subtraktiver Formen in diesen Fällen vgl.
%% weiter § 97.)«
%%
%% HLSMA 4, VIII, § 97.1
%% »Subtraktive Bez’en für Zahlen unter der vollen Zehnerzahl wie *undeviginti*
%% ,19‘, *duodetriginta* ,28‘, duodeseptuagesimus ,der 68ste‘ sind auch im MA
%% noch belegt: *duo de sexaginta*, *duo de XX*, *duo de XL*. Häufig sind sie
%% nicht gewesen, und als Belege kommen selbstverständlich nur in den Hss.
%% ausgeschriebene Zahlenbenennungen in Betracht. Bereits in der Antike kommen
%% reichlich Bez’en vor wie *decem (et) octo/novem*, *octo et viginti*, *nonus
%% et vicesimus* u. a. m. (Vgl. auch § 88.) In aller Regel wurden im lat. MA
%% Formen gebraucht wie *decem et octo*, *viginti octo*. Seit Livius ist das
%% nach *undecim* usf. analogisch gebildete *octodecim* in Gebrauch; auch
%% *novemdecim* kommt vor, sodann *octavus decimus*, *nonus decimus*.«
%%
\newif\ifnumspell@la@subtraction
\newif\ifnumspell@la@invert@ordinals

%% SETTINGS FOR LANGUAGE VARIANTS
\def\numspell@la@classical@settings{%
    \numspell@la@ae@diphthong
    \numspell@la@use@vocalic@V
    \numspell@la@classical@ordinals
    \numspell@la@classical@seventeen
    \numspell@la@subtractiontrue
    \numspell@la@invert@ordinalstrue
    \numspell@la@modern@millionfalse
}
\def\numspell@la@medieval@settings{%
    \numspell@la@ae@ligature
    \numspell@la@use@vocalic@V
    \numspell@la@classical@ordinals
    \numspell@la@postclassical@seventeen
    \numspell@la@subtractionfalse
    \numspell@la@invert@ordinalstrue
    \numspell@la@modern@millionfalse
}
\def\numspell@la@modern@settings{%
    \numspell@la@ae@diphthong
    \numspell@la@use@U@and@v
    \numspell@la@classical@ordinals
    \numspell@la@classical@seventeen
    \numspell@la@subtractiontrue
    \numspell@la@invert@ordinalstrue
    \numspell@la@modern@milliontrue
}
\def\numspell@la@ecclesiastic@settings{%
    \numspell@la@ae@ligature
    \numspell@la@use@U@and@v
    \numspell@la@ecclesiastic@ordinals
    \numspell@la@postclassical@seventeen
    \numspell@la@subtractionfalse
    \numspell@la@invert@ordinalsfalse
    \numspell@la@modern@milliontrue
}
\def\numspell@la@check@language@variant{%
    \IfLanguageName{classiclatin}{%
        \numspell@la@classical@settings
    }{%
        \IfLanguageName{medievallatin}{%
            \numspell@la@medieval@settings
        }{%
            \IfLanguageName{ecclesiasticlatin}{%
                \numspell@la@ecclesiastic@settings
            }{%
                \ifcsname iflanguageoption\endcsname% for polyglossia
                    \iflanguageoption{latin}{variant}{classic}{%
                        \numspell@la@classical@settings
                    }{%
                        \iflanguageoption{latin}{variant}{medieval}{%
                            \numspell@la@medieval@settings
                        }{%
                            \iflanguageoption{latin}{variant}{ecclesiastic}{%
                                \numspell@la@ecclesiastic@settings
                            }{%
                                \numspell@la@modern@settings
                            }%
                        }%
                    }%
                \else
                    \numspell@la@modern@settings
                \fi
            }%
        }%
    }%
}

%% INFLECTION ENDINGS
\def\numspelllamasculine{%
    \def\numspell@la@ending@sing{\numspell@{us}}%
    \def\numspell@la@ending@plural{\numspell@{i}}%
    \def\numspell@la@two{\numspell@{duo}}%
    \def\numspell@la@three{\numspell@{tres}}%
}
\def\numspelllafeminine{%
    \def\numspell@la@ending@sing{\numspell@{a}}%
    \def\numspell@la@ending@plural{\numspell@la@ae}%
    \def\numspell@la@two{\numspell@{du}\numspell@la@ae}%
    \def\numspell@la@three{\numspell@{tres}}%
}
\def\numspelllaneuter{%
    \def\numspell@la@ending@sing{\numspell@{um}}%
    \def\numspell@la@ending@plural{\numspell@{a}}%
    \def\numspell@la@two{\numspell@{duo}}%
    \def\numspell@la@three{\numspell@{tria}}%
}
\numspelllamasculine

%% TERMS FOR THE ONES
\def\numspell@la@ones@cardinal#1{%
    \ifcase#1%
        \or\numspell@{un}\numspell@la@ending@sing\or\numspell@la@two\or\numspell@la@three
        \or\numspell@{quattuor}\or\numspell@{quinque}\or\numspell@{sex}\or\numspell@{septem}%
        \or\numspell@{octo}\or\numspell@{no}\numspell@la@v\numspell@{em}\or\numspell@{decem}%
        \or\numspell@{undecim}\or\numspell@{duodecim}\or\numspell@{tredecim}\or\numspell@{quattuordecim}%
        \or\numspell@{quindecim}\or\numspell@{sedecim}\or\numspell@la@seventeen
    \fi
}

\def\numspell@la@ones@ordinal#1{%
    \ifcase#1%
        \or\numspell@{prim}\or\numspell@{secund}\or\numspell@{terti}\or\numspell@{quart}%
        \or\numspell@{quint}\or\numspell@{sext}\or\numspell@{septim}\or\numspell@{octa}\numspell@la@v
        \or\numspell@{non}\or\numspell@{decim}\or\numspell@{undecim}\or\numspell@{duodecim}%
    \fi
    \numspell@la@ending@sing
}

\def\numspell@la@ones@adverb#1{%
    \ifcase#1%
        \or\numspell@{semel}\or\numspell@{bis}\or\numspell@{ter}\or\numspell@{quater}%
        \or\numspell@{quinquies}\or\numspell@{sexies}\or\numspell@{septies}\or\numspell@{octies}%
        \or\numspell@{no}\numspell@la@v\numspell@{ies}\or\numspell@{decies}\or\numspell@{undecies}%
        \or\numspell@{duodecies}%
    \fi
}

%% TERMS FOR THE TENS
\def\numspell@la@tens@cardinal#1{%
    \ifcase#1%
        \or\numspell@{decem}\or\numspell@la@v\numspell@{iginti}\or\numspell@{triginta}%
        \or\numspell@{quadraginta}\or\numspell@{quinquaginta}\or\numspell@{sexaginta}%
        \or\numspell@{septuaginta}\or\numspell@{octoginta}\or\numspell@{nonaginta}\or\numspell@{centum}%
    \fi
}

\def\numspell@la@tens@ordinal#1{%
    \ifcase#1%
        \or\numspell@{decim}\or\numspell@la@twentieth\or\numspell@la@thirtieth
        \or\numspell@{quadragesim}\or\numspell@{quinquagesim}\or\numspell@{sexagesim}%
        \or\numspell@{septuagesim}\or\numspell@{octogesim}\or\numspell@{nonagesim}\or\numspell@{centesim}%
    \fi
    \numspell@la@ending@sing
}

\def\numspell@la@tens@adverb#1{%
    \ifcase#1%
        \or\numspell@{decies}\or\numspell@la@v\numspell@{icies}\or\numspell@{tricies}%
        \or\numspell@{quadragies}\or\numspell@{quinquagies}\or\numspell@{sexagies}%
        \or\numspell@{septuagies}\or\numspell@{octogies}\or\numspell@{nonagies}\or\numspell@{centies}%
    \fi
}

%% TERMS FOR THE HUNDREDS
\def\numspell@la@hundreds@cardinal#1{%
    \ifcase#1%
        \or\numspell@{centum}\or\numspell@{ducent}\or\numspell@{trecent}\or\numspell@{quadringent}%
        \or\numspell@{quingent}\or\numspell@{sescent}\or\numspell@{septingent}\or\numspell@{octingent}%
        \or\numspell@{nongent}%
    \fi
    \ifnum#1>1%
        \numspell@la@ending@plural
    \fi
}

\def\numspell@la@hundreds@ordinal#1{%
    \ifcase#1%
        \or\numspell@{cent}\or\numspell@{ducent}\or\numspell@{trecent}\or\numspell@{quadringent}%
        \or\numspell@{quingent}\or\numspell@{sescent}\or\numspell@{septingent}\or\numspell@{octingent}%
        \or\numspell@{nongent}%
    \fi
    \numspell@{esim}%
    \numspell@la@ending@sing
}

\def\numspell@la@hundreds@adverb#1{%
    \ifcase#1%
        \or\numspell@{centies}\or\numspell@{ducenties}\or\numspell@{trecenties}%
        \or\numspell@{quadringenties}\or\numspell@{quingenties}\or\numspell@{sescenties}%
        \or\numspell@{septingenties}\or\numspell@{octingenties}\or\numspell@{nongenties}%
    \fi
}

%% NAMES OF SPECIAL NUMERALS
\def\numspell@la@hundred@distributive{\numspell@{centena}}% neuter form, used before "milia"
\def\numspell@la@thousand@adverb{\numspell@{milies}}

%% MACROS FOR TWO-DIGIT NUMBERS
\def\numspell@la@addition@cardinal{%
    \numspell@la@tens@cardinal\numspell@group@digit@ii
    \ifnum\numspell@group@digit@iii>0%
        \numspell@{ }%
        \ifnum\numspell@group@digit@ii=1%
            \numspell@{et }%
        \fi
        \numspell@la@ones@cardinal\numspell@group@digit@iii
    \fi
}

\def\numspell@la@addition@ordinal{%
    \numspell@la@tens@ordinal\numspell@group@digit@ii
    \ifnum\numspell@group@digit@iii>0%
        \numspell@{ }%
        \numspell@la@ones@ordinal\numspell@group@digit@iii
    \fi
}

\def\numspell@la@addition@adverb{%
    \numspell@la@tens@adverb\numspell@group@digit@ii
    \ifnum\numspell@group@digit@iii>0%
        \numspell@{ }%
        \numspell@la@ones@adverb\numspell@group@digit@iii
    \fi
}

\def\numspell@la@inverted@addition@ordinal{%
    \ifnum\numspell@group@digit@iii>0%
        \numspell@la@ones@ordinal\numspell@group@digit@iii
        \numspell@{ }%
    \fi
    \numspell@la@tens@ordinal\numspell@group@digit@ii
}

\def\numspell@la@inverted@addition@adverb{%
    \ifnum\numspell@group@digit@iii>0%
        \numspell@la@ones@adverb\numspell@group@digit@iii
        \numspell@{ }%
    \fi
    \numspell@la@tens@adverb\numspell@group@digit@ii
}

\newcount\numspell@la@tmp@count

\def\numspell@la@subtraction@cardinal{%
    \ifnum\numspell@group@digit@iii=8%
        \numspell@{duode}%
    \else
        \numspell@{unde}%
    \fi
    \numspell@la@tmp@count\numexpr\numspell@group@digit@ii+1\relax
    \numspell@la@tens@cardinal\numspell@la@tmp@count
}

\def\numspell@la@subtraction@ordinal{%
    \ifnum\numspell@group@digit@iii=8%
        \numspell@{duode}%
    \else
        \numspell@{unde}%
    \fi
    \numspell@la@tmp@count\numexpr\numspell@group@digit@ii+1\relax
    \numspell@la@tens@ordinal\numspell@la@tmp@count
}

\def\numspell@la@subtraction@adverb{%
    \ifnum\numspell@group@digit@iii=8%
        \numspell@{duode}%
    \else
        \numspell@{unde}%
    \fi
    \numspell@la@tmp@count\numexpr\numspell@group@digit@ii+1\relax
    \numspell@la@tens@adverb\numspell@la@tmp@count
}

%% SPELLING CARDINAL NUMBER GROUP
%% ---------------------------------
%% \numspell@group@spell@la{<group>} (<group>=000,001,...,999)
%% ---------------------------------
%% \numspell@group@digits{<group>}
%% Adding the <group> spelling to \thenumspell
%%
\def\numspell@group@spell@la#1{%
    \numspell@group@digits{#1}%
    \ifnum\numspell@group@digit@i>0%
        \numspell@la@hundreds@cardinal\numspell@group@digit@i
        \ifnum\numexpr\numspell@group@digit@ii+\numspell@group@digit@iii>0%
            \numspell@{ }%
        \fi
    \fi
    \numspell@la@tmp@count\numexpr10*\numspell@group@digit@ii+\numspell@group@digit@iii\relax
    \ifnum\numspell@la@tmp@count<18% 1, 2, ..., 17
        \numspell@la@ones@cardinal\numspell@la@tmp@count% unus, duo, ..., septendecim/decem et septem
    \else
        \ifnum\numspell@group@digit@iii>7%
            \ifnum\numspell@group@digit@i=0% 18, 19, 28, 29, ..., 98, 99
                \ifnumspell@la@subtraction
                    \numspell@la@subtraction@cardinal% duodeviginti, ...
                \else
                    \numspell@la@addition@cardinal% decem et octo, ..., viginti octo, ...
                \fi
            \else
                \ifnum\numspell@group@digit@ii<9% 118, 119, 128, 129, ..., 188, 189, ..., 988, 989
                    \ifnumspell@la@subtraction
                        \numspell@la@subtraction@cardinal% centum duodeviginti, ...
                    \else
                        \numspell@la@addition@cardinal% centum decem et octo, ...
                    \fi
                \else% 198, 199, 298, 299, ..., 998, 999
                    \numspell@la@addition@cardinal% centum nonaginta octo
                \fi
            \fi
        \else
            \ifnum\numspell@group@digit@ii>1% 20, 21, ..., 27, 30, 31, ..., 97
                \numspell@la@addition@cardinal% viginti, viginti unus, ...
            \fi
        \fi
    \fi
}

%% SPELLING ORDINAL NUMBER GROUP
%% ------------------------------------
%% \numspell@ordgroup@spell@la{<group>} (<group>=000,001,...,999)
%% ------------------------------------
%% \numspell@group@digits{<group>}
%% Adding the <group> ordinal spelling to \thenumspell
%%
\def\numspell@ordgroup@spell@la#1{%
    \numspell@group@digits{#1}%
    \ifnum\numspell@group@digit@i>0%
        \numspell@la@hundreds@ordinal\numspell@group@digit@i
        \ifnum\numexpr\numspell@group@digit@ii+\numspell@group@digit@iii>0%
            \numspell@{ }%
        \fi
    \fi
    \numspell@la@tmp@count\numexpr10*\numspell@group@digit@ii+\numspell@group@digit@iii\relax
    \ifnum\numspell@la@tmp@count>0%
        \ifnum\numspell@la@tmp@count<13% 1, 2, ..., 12
            \numspell@la@ones@ordinal\numspell@la@tmp@count% primus, secundus, ..., duodecimus
        \else
            \ifnum\numspell@la@tmp@count<18% 13, 14, ..., 17
                \ifnumspell@la@invert@ordinals
                    \numspell@la@inverted@addition@ordinal% tertius decimus, ...
                \else
                    \numspell@la@addition@ordinal% decimus tertius, ...
                \fi
            \else
                \ifnum\numspell@group@digit@iii>7%
                    \ifnum\numspell@group@digit@i=0% 18, 19, 28, 29, ..., 98, 99
                        \ifnumspell@la@subtraction
                            \numspell@la@subtraction@ordinal% duodevicesimus, ...
                        \else
                            \ifnum\numspell@group@digit@ii=1%
                                \ifnumspell@la@invert@ordinals
                                    \numspell@la@inverted@addition@ordinal% octavus decimus, ...
                                \else
                                    \numspell@la@addition@ordinal% decimus octavus, ...
                                \fi
                            \else
                                \numspell@la@addition@ordinal% vicesimus octavus, ...
                            \fi
                        \fi
                    \else
                        \ifnum\numspell@group@digit@ii<9% 118, 119, 128, 129, ..., 188, 189, ..., 988, 989
                            \ifnumspell@la@subtraction
                                \numspell@la@subtraction@ordinal% centesimus undevicesimus, ...
                            \else
                                \numspell@la@addition@ordinal% centesimus decimus octavus, ...
                            \fi
                        \else% 198, 199, 298, 299, ..., 998, 999
                            \numspell@la@addition@ordinal% centesimus nonagesimus octavus, ...
                        \fi
                    \fi
                \else
                    \ifnum\numspell@group@digit@ii>1% 20, 21, ..., 27, 30, 31, ..., 97
                        \numspell@la@addition@ordinal% vicesimus, vicesimus primus, ...
                    \fi
                \fi
            \fi
        \fi
    \fi
}

%% SPELLING ADVERBIAL NUMBER GROUP
\def\numspell@adverbgroup@spell@la#1{%
    \numspell@group@digits{#1}%
    \ifnum\numspell@group@digit@i>0%
        \numspell@la@hundreds@adverb\numspell@group@digit@i
        \ifnum\numexpr\numspell@group@digit@ii+\numspell@group@digit@iii>0%
            \numspell@{ }%
        \fi
    \fi
    \numspell@la@tmp@count\numexpr10*\numspell@group@digit@ii+\numspell@group@digit@iii\relax
    \ifnum\numspell@la@tmp@count<13% 1, 2, ..., 12
        \numspell@la@ones@adverb\numspell@la@tmp@count% semel, bis, ..., duodecies
    \else
        \ifnum\numspell@la@tmp@count<18% 13, 14, ..., 17
            \ifnumspell@la@invert@ordinals
                \numspell@la@inverted@addition@adverb% ter decies, quater decies, ..., septies decies
            \else
                \numspell@la@addition@adverb% decies ter, decies quater, ..., decies septies
            \fi
        \else
            \ifnum\numspell@group@digit@iii>7%
                \ifnum\numspell@group@digit@i=0% 18, 19, 28, 29, ..., 98, 99
                    \ifnumspell@la@subtraction
                        \numspell@la@subtraction@adverb% duodevicies, ...
                    \else
                        \ifnum\numspell@group@digit@ii=1% 18, 19
                            \ifnumspell@la@invert@ordinals
                                \numspell@la@inverted@addition@adverb% octies decies, ...
                            \else
                                \numspell@la@addition@adverb% decies octies, ...
                            \fi
                        \else% 28, 29, 38, 39, ..., 98, 99
                            \numspell@la@addition@adverb% vicies octies, ...
                        \fi
                    \fi
                \else
                    \ifnum\numspell@group@digit@ii<9% 118, 119, 128, 129, ..., 188, 189, ..., 988, 989
                        \ifnumspell@la@subtraction
                            \numspell@la@subtraction@adverb% centies duodevicies, ...
                        \else
                            \numspell@la@addition@adverb
                        \fi
                    \else% 198, 199, 298, 299, ..., 998, 999
                        \numspell@la@addition@adverb
                    \fi
                \fi
            \else
                \ifnum\numspell@group@digit@ii>1% 20, 21, ..., 27, 30, 31, ..., 97
                    \numspell@la@addition@adverb% vicies, ...
                \fi
            \fi
        \fi
    \fi
}

%% SPELLING CARDINAL NUMBER WITH MODERN TERM FOR MILLIONS
\def\numspell@la@cardinal@modern@million{%
    \setcounter{numspell@groupcount}{22}%
    \@whilenum\value{numspell@groupcount}>2%
    \do{%
        \IfEq{\csname numspell@group@\roman{numspell@groupcount}\endcsname}{0}{}{%
            \bgroup
            \ifodd\thenumspell@groupcount
                \numspelllafeminine% because "millio" is feminine
            \else
                \numspelllaneuter% because "milliardum" is neuter
            \fi
            \numspell@group@spell@la{\csname numspell@group@\roman{numspell@groupcount}\endcsname}%
            \egroup
            \numspell@{ }%
            \IfEq{\csname numspell@group@\roman{numspell@groupcount}\endcsname}{1}%
                {\csname numspell@group@\roman{numspell@groupcount}@la@name\endcsname}%
                {\csname numspell@group@\roman{numspell@groupcount}@la@name@plural\endcsname}%
            \ifnum\csname numspell@group@\roman{numspell@groupcount}@before\endcsname>0\numspell@{ }\fi
        }%
        \addtocounter{numspell@groupcount}{-1}%
    }%
    \IfEq{\numspell@group@ii}{0}{}{%
        \IfEq{\numspell@group@ii}{1}{\numspell@group@ii@la@name}{%
            \bgroup
            \numspelllaneuter% because "milia" is neuter
            \numspell@group@spell@la{\numspell@group@ii}%
            \egroup
            \numspell@{ }%
            \numspell@group@ii@la@name@plural
        }%
        \ifnum\numspell@group@ii@before>0\numspell@{ }\fi
    }%
    \IfEq{\numspell@group@i}{0}{}{%
        \numspell@group@spell@la{\numspell@group@i}%
    }%
}

%% SPELLING CARDINAL NUMBER WITH CLASSICAL TERM FOR MILLIONS
%% This outputs "decies centena milia" instead of "una millio" and
%% "decies milies centena milia" instead of "unum milliardum".
%% Modern wording is however used for numbers >= 10^11.
\def\numspell@la@cardinal@classical@million{%
    \ifnum\numspell@group@max>4%
        \numspell@la@cardinal@modern@million
    \else
        \ifnum\numspell@group@iv>99%
            \numspell@la@cardinal@modern@million
        \else
            \StrMid{\numspell@fullnum}{56}{58}[\numspell@la@hundred@millions]%
            \StrMid{\numspell@fullnum}{59}{61}[\numspell@la@hundred@thousands]%
            \StrMid{\numspell@fullnum}{62}{63}[\numspell@la@thousands]%
            \ifnum\numspell@la@hundred@millions>0%
                \ifnum\numspell@la@hundred@millions>1%
                    \numspell@adverbgroup@spell@la{\numspell@la@hundred@millions}%
                    \numspell@{ }%
                \fi
                \numspell@la@thousand@adverb
                \ifnum\numspell@la@hundred@thousands>0%
                    \numspell@{ }%
                    \numspell@adverbgroup@spell@la{\numspell@la@hundred@thousands}%
                    \numspell@{ }%
                    \numspell@la@hundred@distributive
                    \numspell@{ }%
                \else
                    \numspell@{ }%
                    \numspell@la@hundred@distributive
                    \numspell@{ }%
                \fi
                \ifnum\numspell@la@thousands>0%
                    \numspell@{et }%
                    \bgroup
                    \numspelllaneuter% because "milia" is neuter
                    \numspell@group@spell@la{0\numspell@la@thousands}%
                    \egroup
                    \numspell@{ }%
                \fi
                \numspell@group@ii@la@name@plural% "milia"
                \ifnum\numspell@group@ii@before>0%
                    \numspell@{ }%
                \fi
            \else
                \ifnum\numspell@la@hundred@thousands>9% 100000 is "centum milia", not "semel centena milia"
                    \numspell@adverbgroup@spell@la{\numspell@la@hundred@thousands}%
                    \numspell@{ }%
                    \numspell@la@hundred@distributive
                    \numspell@{ }%
                    \ifnum\numspell@la@thousands>0%
                        \numspell@{et }%
                        \bgroup
                        \numspelllaneuter% because "milia" is neuter
                        \numspell@group@spell@la{0\numspell@la@thousands}%
                        \egroup
                        \numspell@{ }%
                    \fi
                    \numspell@group@ii@la@name@plural% "milia"
                    \ifnum\numspell@group@ii@before>0%
                        \numspell@{ }%
                    \fi
                \else
                    \StrMid{\numspell@fullnum}{61}{63}[\numspell@la@thousands]%
                    \ifnum\numspell@la@thousands>0%
                        \ifnum\numspell@la@thousands=1%
                            \numspell@group@ii@la@name
                        \else
                            \bgroup
                            \numspelllaneuter% because "milia" is neuter
                            \IfEq{\numspell@group@iii}{0}{%
                                \numspell@group@spell@la{\numspell@la@thousands}%
                            }{%
                                \numspell@group@spell@la{0\numspell@la@thousands}%
                            }%
                            \egroup
                            \numspell@{ }%
                            \numspell@group@ii@la@name@plural
                        \fi
                        \ifnum\numspell@group@ii@before>0%
                            \numspell@{ }%
                        \fi
                    \fi
                \fi
            \fi
            \IfEq{\numspell@group@i}{0}{}{%
                \numspell@group@spell@la{\numspell@group@i}%
            }%
        \fi
    \fi
}

%% SPELLING CARDINAL NUMBER
%% --------------------------------------
%% \numspell@num@spell@la{<num1>}{<num2>}
%% --------------------------------------
%% \numspell@groups{<num1>}{<num2>}
%% Adding the \numspell@num spelling to \thenumspell
%%
\def\numspell@num@spell@la#1#2{%
    \numspell@la@check@language@variant
    \gdef\thenumspell{}%
    \numspell@groups{#1}{#2}%
    \ifnum\numspell@group@max=0%
        \numspell@{null}\numspell@la@ending@sing
    \else
        \ifnumspell@la@modern@million
            \numspell@la@cardinal@modern@million
        \else
            \numspell@la@cardinal@classical@million
        \fi
    \fi
}

%% SPELLING ORDINAL NUMBER WITH MODERN TERM FOR MILLIONS
\def\numspell@la@ordinal@modern@million{%
    \setcounter{numspell@groupcount}{22}%
    \@whilenum\value{numspell@groupcount}>1%
    \do{%
        \IfEq{\csname numspell@group@\roman{numspell@groupcount}\endcsname}{0}{}{%
            \IfEq{\csname numspell@group@\roman{numspell@groupcount}\endcsname}{1}%
                {\csname numspell@ordgroup@\roman{numspell@groupcount}@la@name\endcsname}%
                {%
                    \numspell@adverbgroup@spell@la{\csname numspell@group@\roman{numspell@groupcount}\endcsname}%
                    \numspell@{ }%
                    \csname numspell@ordgroup@\roman{numspell@groupcount}@la@name\endcsname
                }%
            \numspell@la@ending@sing
            \ifnum\csname numspell@group@\roman{numspell@groupcount}@before\endcsname>0\numspell@{ }\fi
        }%
        \addtocounter{numspell@groupcount}{-1}%
    }%
    \IfEq{\numspell@group@i}{0}{}{%
        \numspell@ordgroup@spell@la{\numspell@group@i}%
    }%
}

%% SPELLING ORDINAL NUMBER WITH CLASSICAL TERM FOR MILLIONS
%% This outputs "decies centies millesimus" instead of "millionesimus".
%%
%% Reference: Kühner/Holzweissig, Ausführliche Grammatik der lateinischen
%% Sprache, vol. 1, 2nd edition, 1912, p. 632
%%
%% Modern wording is however used for numbers >= 10^7.
\def\numspell@la@ordinal@classical@million{%
    \ifnum\numspell@group@max>3%
        \numspell@la@ordinal@modern@million
    \else
        \ifnum\numspell@group@iii>9%
            \numspell@la@ordinal@modern@million
        \else
            \StrMid{\numspell@fullnum}{60}{61}[\numspell@la@hundred@thousands]%
            \ifnum\numspell@la@hundred@thousands>9%
                \numspell@adverbgroup@spell@la{0\numspell@la@hundred@thousands}%
                \numspell@{ }%
                \numspell@la@hundreds@adverb{1}%
                \numspell@{ }%
                \StrMid{\numspell@fullnum}{62}{63}[\numspell@la@thousands]%
                \ifnum\numspell@la@thousands>0%
                    \numspell@adverbgroup@spell@la{0\numspell@la@thousands}%
                    \numspell@{ }%
                \fi
            		\numspell@ordgroup@ii@la@name
            		\numspell@la@ending@sing
            		\ifnum\numspell@group@i>0%
                    \numspell@{ }%
                		\numspell@ordgroup@spell@la{\numspell@group@i}%
            		\fi
            \else
            		\numspell@la@ordinal@modern@million% no difference between classical and modern
            \fi
        \fi
    \fi
}

%% SPELLING ORDINAL NUMBER
%% -----------------------------------------
%% \numspell@ordnum@spell@la{<num1>}{<num2>}
%% -----------------------------------------
%% \numspell@groups{<num1>}{<num2>}
%% Adding the \numspell@num ordinal spelling to \thenumspell
%%
\def\numspell@ordnum@spell@la#1#2{%
    \numspell@la@check@language@variant
    \gdef\thenumspell{}%
    \numspell@groups{#1}{#2}%
    \ifnum\numspell@group@max=0%
        \numspell@{nullesim}\numspell@la@ending@sing
    \else
        \ifnumspell@la@modern@million
            \numspell@la@ordinal@modern@million
        \else
            \numspell@la@ordinal@classical@million
        \fi
    \fi
}

%% ----------------------
%% \numspell@uppercase@la
%% ----------------------
%% E.g. \def\thenumspell{unus}\numspell@uppercase\thenumspell --> 'Unus'
%% \MakeUppercase does not work on pdf bookmark (see hyperref), so using another effective macro.
%%
\def\numspell@uppercase@la{%
    \fullexpandarg
    \StrChar{\thenumspell}{1}[\numspell@firstletter]%
    \expandarg
    \StrGobbleLeft{\thenumspell}{1}[\numspell@trunc]%
    \fullexpandarg
    \def\numspell@the{}%
    \IfStrEq{\numspell@firstletter}{u}{\g@addto@macro\numspell@the{\numspell@la@uppercase@u}}{}% unus
    \IfStrEq{\numspell@firstletter}{d}{\g@addto@macro\numspell@the{D}}{}% duo
    \IfStrEq{\numspell@firstletter}{t}{\g@addto@macro\numspell@the{T}}{}% tres
    \IfStrEq{\numspell@firstletter}{q}{\g@addto@macro\numspell@the{Q}}{}% quattuor
    \IfStrEq{\numspell@firstletter}{s}{\g@addto@macro\numspell@the{S}}{}% sex
    \IfStrEq{\numspell@firstletter}{o}{\g@addto@macro\numspell@the{O}}{}% octo
    \IfStrEq{\numspell@firstletter}{n}{\g@addto@macro\numspell@the{N}}{}% novem
    \IfStrEq{\numspell@firstletter}{v}{\g@addto@macro\numspell@the{V}}{}% viginti
    \IfStrEq{\numspell@firstletter}{c}{\g@addto@macro\numspell@the{C}}{}% centum
    \IfStrEq{\numspell@firstletter}{m}{\g@addto@macro\numspell@the{M}}{}% mille
    \IfStrEq{\numspell@firstletter}{p}{\g@addto@macro\numspell@the{P}}{}% primus
    \IfStrEq{\numspell@firstletter}{b}{\g@addto@macro\numspell@the{B}}{}% bis
    \ifx\numspell@the\@empty\@latexerr{'numspell.sty' error! There is not '\numspell@firstletter' in uppercase!}{}\fi
    \g@addto@macro\numspell@the{\numspell@trunc}%
    \def\thenumspell{\numspell@the}%
}

\endinput