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%%
%% This is file `ifthen.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% ifthen.dtx (with options: `package')
%%
%% This is a generated file.
%%
%% Copyright 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006
%% The LaTeX3 Project and any individual authors listed elsewhere
%% in this file.
%%
%% This file was generated from file(s) of the LaTeX base system.
%% --------------------------------------------------------------
%%
%% It may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% 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 1.3c or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This file has the LPPL maintenance status "maintained".
%%
%% This file may only be distributed together with a copy of the LaTeX
%% base system. You may however distribute the LaTeX base system without
%% such generated files.
%%
%% The list of all files belonging to the LaTeX base distribution is
%% given in the file `manifest.txt'. See also `legal.txt' for additional
%% information.
%%
%% The list of derived (unpacked) files belonging to the distribution
%% and covered by LPPL is defined by the unpacking scripts (with
%% extension .ins) which are part of the distribution.
%%
%% File `ifthen.dtx'.
%% Copyright (C) 1991 by Leslie Lamport
%% Copyright (C) 1994-2001 LaTeX3 project, David Carlisle
%% all rights reserved.
%%
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
\ProvidesPackage{ifthen}
[2001/05/26 v1.1c Standard LaTeX ifthen package (DPC)]
\def\TE@throw{\@ne=\@ne\noexpand\fi}
\def\boolean#1#2{%
\TE@throw\expandafter\noexpand\csname if#1\endcsname#2}
\def\TE@length#1#2{\TE@throw\noexpand\ifdim#1#2}
\def\TE@odd#1#2{%
\TE@throw\noexpand\TE@@odd#1\noexpand\@nil\noexpand\ifodd\count@#2}
\def\TE@@odd#1#2\@nil{%
\@defaultunits
\count@\if-#1-0\else0\expandafter#1\fi#2\relax\@nnil}
\def\TE@repl#1#2{%
\long\def\@tempc##1#1##2{%
\def\@tempa{##2}\def\@tempb{\@tempc}%
\ifx\@tempa\@tempb
\toks@\expandafter{\the\toks@##1}%
\expandafter\@gobble
\else
\toks@\expandafter{\the\toks@##1#2}%
\expandafter\@tempc
\fi
##2}%
\expandafter\toks@\expandafter{\expandafter}%
\expandafter\@tempc\the\toks@#1\@tempc}
\long\def\ifthenelse#1{%
\toks@{#1}%
\TE@repl\or\TE@or
\TE@repl\and\TE@and
\TE@repl\not\TE@neg
\TE@repl\OR\TE@or
\TE@repl\AND\TE@and
\TE@repl\NOT\TE@neg
\begingroup
\let\protect\@unexpandable@protect
\def\@setref##1##2##3{%
\ifx##1\relax\z@\else\expandafter##2##1\fi}%
\def\value##1{\the\csname c@##1\endcsname}%
\let\equal\TE@equal \let\(\TE@lparen \let\)\TE@rparen
\let\isodd\TE@odd \let\lengthtest\TE@length
\let\isundefined\TE@undef
\begingroup
\let\@tempa\relax\let\@tempb\relax
\xdef\@gtempa{\expandafter\TE@eval\the\toks@\TE@endeval}%
\endgroup
\@gtempa
\expandafter\endgroup\ifTE@val
\expandafter\@firstoftwo
\else
\expandafter\@secondoftwo
\fi}
\def\TE@eval{\noexpand\TE@negatefalse\noexpand\iftrue\noexpand\ifnum}
\newif\ifTE@val
\newif\ifTE@negate
\def\TE@endeval{\relax
\noexpand\TE@setvaltrue\noexpand
\else
\noexpand\TE@setvalfalse\noexpand
\fi
\noexpand\TE@negatefalse\noexpand
\fi}
\def\TE@setvaltrue{%
\ifTE@negate\TE@valfalse\else\TE@valtrue\fi}
\def\TE@setvalfalse{\let\ifTE@val\ifTE@negate}
\def\TE@or{\TE@endeval\noexpand\ifTE@val\noexpand\else\noexpand\ifnum}
\def\TE@and{\TE@endeval\noexpand\ifTE@val\noexpand\ifnum}
\def\TE@neg{\TE@throw\noexpand\TE@negswitch\noexpand\ifnum}
\def\TE@negswitch{\ifTE@negate\TE@negatefalse\else\TE@negatetrue\fi}
\def\TE@lparen#1{\TE@throw\begingroup\TE@eval#1}
\def\TE@rparen#1{%
\TE@endeval
\noexpand\expandafter\endgroup\noexpand\ifTE@val#1}
\long\def\TE@equal#1#2#3{\TE@throw
\def\@tempa{#1}\def\@tempb{#2}%
\noexpand\ifx\@tempa\@tempb#3}
\def\setboolean#1#2{%
\lowercase{\def\@tempa{#2}}%
\@ifundefined{@tempswa\@tempa}%
{\PackageError{ifthen}%
{You can only set a boolean to `true' or `false'}\@ehc}%
{\@ifundefined{#1\@tempa}%
{\PackageError{ifthen}{Boolean #1 undefined}\@ehc}%
{\csname#1\@tempa\endcsname}}}
\def\newboolean#1{%
\expandafter\@ifdefinable\csname if#1\endcsname{%
\expandafter\newif\csname if#1\endcsname}}
\def\provideboolean#1{%
\@ifundefined{if#1}{%
\expandafter\newif\csname if#1\endcsname}\relax}
\long\def\whiledo#1#2{%
\ifthenelse{#1}%
{\@whiledotrue
\@whilesw\if@whiledo\fi
{#2%
\ifthenelse{#1}\@whiledotrue\@whiledofalse}}%
{}%
}
\def\TE@undef#1#2{%
\TE@throw\noexpand\ifx\noexpand\@undefined\noexpand#1#2}
\newif\if@whiledo
\endinput
%%
%% End of file `ifthen.sty'.
|
