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%% This is file `sepnum.sty' -- separated numbers
%%
%% (C) 1995, 1996, 2001 Bernd Raichle
%% Raichle@Informatik.Uni-Stuttgart.de
%%
%% This package provides a means of formatting numbers
%% with (a) a decimal separator different of the default (`.')
%% and (b) a separator (default `,') every three digits.
%%
%% First version of this package was posted to the newsgroup
%% `de.comp.tex' November 6th, 1995 (as `printnum.sty').
%%
%%
%% -- LICENSING CONDITION --
%%
%% This program may be redistributed and/or modified under the terms
%% of the LaTeX Project Public License, either version 1.0 of this
%% license, or (at your option) any later version.
%% The latest version of this license is in
%% CTAN:macros/latex/base/lppl.txt.
%%
%%
%% -- USAGE --
%%
%% The macro
%%
%% \sepnum{<c>}{<sbc>}{<sac>}{<number>}
%%
%% produces the <number> with the decimal point replaced by <c>
%% and the separator <sbc> every three digits in the integer part,
%% the separator <sac> every three digits in the fractional part
%% of <number>. \sepnum is _fully expandable_ and _not_ fragile,
%% unless one of <c>, <sbc>, or <sac> is.
%%
%% Example:
%% - a non realistic example to show the capabilities of \sepnum
%% \sepnum{,}{*}{-}{1234.5678} => 1*234,567-8
%% - to print a number inserting small spaces each three digits
%% \sepnum{.}{\,}{\,}{1234.5678} => 1\,234.567\,8
%%
%%
%% Additionally this package provides
%%
%% \sepnumform{<c>}{<sbc>}{<sac>}{<LaTeX-counter>}
%%
%% to use \sepnum with a LaTeX counter.
%%
%% Example (with a decimal comma in the print form \the<counter>):
%% \newcounter{money}
%% \renewcommand{\themoney}{\sepnumform{,}{.}{}{money}}
%%
%% \setcounter{money}{-1000}
%% You have \themoney{} left.
%%
%%
%% (For compatibility with `printnum.sty', the macros
%% \printnum{<number>} and \printnumKomma/\printnumTrenner
%% still exist.)
%%
%%
%% -- SEE ALSO --
%%
%% * Package ``comma.sty'' by David Carlisle which provides
%% similar features for integers only, i.e. it misses support
%% for the decimal point/comma in fixed point numbers.
%% * Package ``numprint.sty'' by Harald Harders supporting
%% formatting of numbers given as 1234e5 in addition.
%%
%%
\begingroup \expandafter\expandafter\expandafter\endgroup
\expandafter\ifx \csname ProvidesPackage\endcsname\relax \else
\ProvidesPackage{sepnum}%
[1996/09/05 v2.0 Insert a separator every three digits (br)]
\fi
%
% auxiliary macros for loops:
%
\newcommand{\sepnumReturnFi}{}
\newcommand{\sepnumReturnElseFi}{}
\newcommand{\sepnumReturnOrFi}{}
\def\sepnumReturnFi#1\fi{\fi #1}
\def\sepnumReturnElseFi#1\else#2\fi{\fi #1}
\def\sepnumReturnOrFi#1\or#2\fi{\fi #1}
%
% \sepnum@DoNothing #1
% don't change #1 (removes braces around argument token list!)
%
\newcommand{\sepnum@DoNothing}[1]{#1}
%
% \sepnum@ReverseNumber #1 #2
% reverses all tokens in #2 and calls #1{#2} afterwards
%
\newcommand{\sepnum@ReverseNumber}[2]{%
\sepnum@DoReverseNumber{#1}{}#2\relax}
\newcommand{\sepnum@DoReverseNumber}[3]{%
\ifx\relax#3\sepnumReturnElseFi{#1{#2}}%
\else\sepnumReturnFi{\sepnum@DoReverseNumber{#1}{#3#2}}%
\fi}
%
% \sepnum@ThreeDigits #1 #2 #3
% reverses #3, inserts #1 every three tokens/digits
% (you have to reverse #3 again using \sepnum@ReverseNumber!),
% calls #2{#3} afterwards
%
\newcommand{\sepnum@ThreeDigits}[3]{%
\sepnum@DoThreeDigits{#1}{#2}{}0#3\relax}
\newcommand{\sepnum@DoThreeDigits}[5]{%
\ifx\relax#5\sepnumReturnElseFi{#2{#3}}%
\else\sepnumReturnFi{%
\ifcase#4\noexpand\sepnum@DoNothing{}% 0
\sepnumReturnOrFi{\sepnum@DoThreeDigits{#1}{#2}{#5#3}1}%
\or % 1
\sepnumReturnOrFi{\sepnum@DoThreeDigits{#1}{#2}{#5#3}2}%
\or % 2
\sepnumReturnElseFi{\sepnum@DoThreeDigits{#1}{#2}{#5#3}3}%
\else % 3 ==> insert #1
\sepnumReturnFi{\sepnum@DoThreeDigits{#1}{#2}{#5#1#3}1}%
\fi}%
\fi}
%
% \sepnum@BeforeComma #1 #2
% \sepnum@AfterComma #1 #2
% call \sepnum@ReverseNumber and \sepnum@DoThreeDigits
% to correctly group the number #2 every three digits
% either with or without reversing first or afterwards.
%
\newcommand{\sepnum@BeforeComma}[2]{%
\sepnum@ReverseNumber{\sepnum@ThreeDigits{#1}\sepnum@DoNothing}{#2}}
\newcommand{\sepnum@AfterComma}[2]{%
\sepnum@ThreeDigits{#1}{\sepnum@ReverseNumber\sepnum@DoNothing}{#2}}
%
%%%%%%%%%% USER MACRO %%%%%%%%%%
%
% \sepnum #1 #2 #3 #4
%
% #1 decimal comma
% #2 separator for three digits groups before comma
% #3 separator for three digits groups after comma
% #4 number
%
\newcommand{\sepnum}[4]{%
\sepnum@Sign{#1}{#2}{#3}#4.\relax}
%
% look first for sign `+' or `-', divide given number in
% digits before and after `.', insert #1 as decimal comma
% (in \sepnum@SepComma)
%
\newcommand{\sepnum@Sign}[4]{%
\ifx\relax#4%
0%
\else \sepnumReturnFi{%
\ifx -#4%
\sepnumReturnElseFi{-\sepnum@SepComma{#1}{#2}{#3}}%
\else \sepnumReturnFi{%
\ifx +#4%
\sepnumReturnElseFi{+\sepnum@SepComma{#1}{#2}{#3}}%
\else
\sepnumReturnFi{\sepnum@SepComma{#1}{#2}{#3}#4}%
\fi}%
\fi}%
\fi}
\newcommand{\sepnum@SepComma}{}
\def\sepnum@SepComma#1#2#3#4.#5\relax{%
\ifx$#4$0% no digits before `.' => add 0 for "0.xxx"
\else \sepnumReturnFi{\sepnum@BeforeComma{#2}{#4}}\fi
\ifx$#5$% no digits after `.'
\else \sepnumReturnFi{#1\sepnum@DoSepComma{#3}#5\relax}\fi}
% remove `.' inserted in \sepnum
\def\sepnum@DoSepComma#1#2.#3\relax{%
\sepnum@AfterComma{#1}{#2}}
%
%%%%%%%%%% USER MACRO %%%%%%%%%%
%
% \sepnumform #1 #2 #3 #4
%
% like \sepnum but #4 is the name of a LaTeX counter
%
\newcommand{\sepnumform}[4]{%
\expandafter\sepnum@doform
\expandafter{\number\value{#4}}{#1}{#2}{#3}}
\newcommand{\sepnum@doform}[4]{%
\sepnum{#2}{#3}{#4}{#1}}
%
%%%%%%%%%% USER MACRO %%%%%%%%%%
%
% For compatibility with `printnum.sty':
%
% \printnum #1
%
\newcommand{\printnum}[1]{%
\sepnum{\printnumKomma}{\printnumTrenner}{\printnumTrenner}{#1}}
%
% Macros to specify comma and separator (default to get
% european style numbers, e.g. "123.456,78" for "123456.78"):
%
% \printnumKomma => ,
% \printnumTrenner => .
%
\newcommand{\printnumKomma}{,}
\newcommand{\printnumTrenner}{.}
\endinput
%%
%% End of file `sepnum.sty'.
|
