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%load the fp-package for TeX
\chardef\FPcatamp=\the\catcode`\@
\catcode`@=11
\def\NeedsTeXFormat#1{}
\def\ProvidesPackage#1[#2]{}
\def\DeclareOption#1#2{}
\let\ProcessOptions\relax
%the for-loop of latex2e
\def\@nnil{\@nil}
\def\@empty{}
\def\@fornoop#1\@@#2#3{}
\def\@for#1:=#2\do#3{\edef\@fortmp{#2}\ifx\@fortmp\@empty \else
\expandafter\@forloop#2,\@nil,\@nil\@@#1{#3}\fi}
\def\@forloop#1,#2,#3\@@#4#5{\def#4{#1}\ifx #4\@nnil \else
#5\def#4{#2}\ifx #4\@nnil \else#5\@iforloop #3\@@#4{#5}\fi\fi}
\def\@iforloop#1,#2\@@#3#4{\def#3{#1}\ifx #3\@nnil
\let\@nextwhile\@fornoop \else
#4\relax\let\@nextwhile\@iforloop\fi\@nextwhile#2\@@#3{#4}}
\edef\FP@loadedfiles{fp.tex}
\def\FP@alreadyloaded#1{}
\def\FP@notyetloaded#1{
\edef\FP@loadedfiles{\FP@loadedfiles,#1}
\input #1.sty
}
\def\RequirePackage#1{%
\let\FP@in@\FP@notyetloaded%
\edef\@tempb{#1}%
\@for\@tempa:=\FP@loadedfiles\do{%
\ifx\@tempa\@tempb%
\let\FP@in@\FP@alreadyloaded%
\fi%
}%
\FP@in@{#1}%
}
\def\loop#1\repeat{\def\iterate{#1\relax\expandafter\iterate\fi}%
\iterate \let\iterate\relax}
\let\repeat=\fi
\RequirePackage{fp}
\catcode`\@=\FPcatamp
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