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%%
%% This is file `esdiff.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% esdiff.dtx  (with options: `package')
%% 
%% Package for the notation of derivatives.
%% Eddie Saudrais, 08/09/1999.
%% Version 1.1
%% 
%% If you found any bug, please contact me at
%% eddie.saudrais@wanadoo.fr.
%% Maybe there is a new version at
%% http://perso.wanadoo.fr/eddie.saudrais/latex/latex.html
%% 
%% Run LaTeX on esdiff.ins to generate esdiff.sty
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{esdiff}
\newcommand{\taille}[1]{\displaystyle{#1}}
\newcommand{\difint}{\mkern 0mu}
\newcommand{\derpint}{\mkern 0mu}
\newcommand{\croisint}{\mkern 0mu}
\newcommand{\dop}{\mathrm{d}}
\DeclareOption{display}{\renewcommand{\taille}[1]{\displaystyle{#1}}}
\DeclareOption{text}{\renewcommand{\taille}[1]{\textstyle{#1}}}
\DeclareOption{roman}{\renewcommand{\dop}{\ensuremath{\mathrm{d}}}}
\DeclareOption{italic}{\renewcommand{\dop}{\ensuremath{d}}}
\DeclareOption{thin}{\renewcommand{\difint}{\ensuremath{\,}}}
\DeclareOption{med}{\renewcommand{\difint}{\ensuremath{\;}}}
\DeclareOption{big}{\renewcommand{\difint}{\ensuremath{\:}}}
\DeclareOption{thinp}{\renewcommand{\derpint}{\ensuremath{\,}}}
\DeclareOption{medp}{\renewcommand{\derpint}{\ensuremath{\;}}}
\DeclareOption{bigp}{\renewcommand{\derpint}{\ensuremath{\:}}}
\DeclareOption{thinc}{\renewcommand{\croisint}{\ensuremath{\,}}}
\DeclareOption{medc}{\renewcommand{\croisint}{\ensuremath{\;}}}
\DeclareOption{bigc}{\renewcommand{\croisint}{\ensuremath{\:}}}
\ProcessOptions\relax
\def\diff{\@ifstar{\diffstar}{\diffnostar}}
\def\diffstar{\@ifnextchar[{\@diffstar}{\@@diffstar}}
\def\@diffstar[#1]#2#3#4{\mathchoice{\left(\frac{\dop^{#1}\difint#2}%
{\dop\difint#3^{#1}}\right)_{\mkern-7mu#4}}%
{\taille{\left(\frac{\dop^{#1}\difint#2}%
{\dop\difint#3^{#1}}\right)_{\mkern-7mu#4}}}%
{\scriptstyle{\left(\frac{\dop^{#1}\difint#2}%
{\dop\difint#3^{#1}}\right)_{\mkern-7mu#4}}}%
{\scriptstyle{\left(\frac{\dop^{#1}\difint#2}%
{\dop\difint#3^{#1}}\right)_{\mkern-7mu#4}}}}
\def\@@diffstar#1#2#3{\mathchoice{\left(\frac{\dop\difint#1}%
{\dop\difint#2}\right)_{\mkern-7mu#3}}%
{\taille{\left(\frac{\dop\difint#1}{\dop\difint#2}%
\right)_{\mkern-7mu#3}}}{\scriptstyle{\left(%
\frac{\dop\difint#1}{\dop\difint#2}\right)%
_{\mkern-7mu#3}}}%
{\scriptstyle{\left(\frac{\dop\difint#1}{\dop\difint#2}\right)%
_{\mkern-7mu#3}}}}
\def\diffnostar{\@ifnextchar[{\@diffnostar}{\@@diffnostar}}
\def\@diffnostar[#1]#2#3{\mathchoice{\frac{\dop^{#1}\difint#2}%
{\dop\difint#3^{#1}}}%
{\taille{\frac{\dop^{#1}\difint#2}{\dop\difint#3^{#1}}}}%
{\scriptstyle{\frac{\dop^{#1}\difint#2}{\dop\difint#3^{#1}}}}%
{\scriptstyle{\frac{\dop^{#1}\difint#2}{\dop\difint#3^{#1}}}}}
\def\@@diffnostar#1#2{\mathchoice%
{\frac{\dop\difint#1}{\dop\difint#2}}%
{\taille{\frac{\dop\difint#1}{\dop\difint#2}}}%
{\scriptstyle{\frac{\dop\difint#1}{\dop\difint#2}}}%
{\scriptstyle{\frac{\dop\difint#1}{\dop\difint#2}}}}
\def\diffp{\@ifstar{\diffpstar}{\diffpnostar}}
\def\diffpstar{\@ifnextchar[{\@diffpstar}{\@@diffpstar}}
\def\@diffpstar[#1]#2#3#4{\mathchoice{\left(\frac{\partial^{#1}%
\derpint#2}{\partial\derpint#3^{#1}}\right)_{\mkern-7mu#4}}%
{\taille{\left(\frac{\partial^{#1}\derpint#2}{\partial\derpint#3^{#1}}%
\right)_{\mkern-7mu#4}}}%
{\scriptstyle{\left(\frac{\partial^{#1}\derpint#2}%
{\partial\derpint#3^{#1}}%
\right)_{\mkern-7mu#4}}}%
{\scriptstyle{\left(\frac{\partial^{#1}\derpint#2}%
{\partial\derpint#3^{#1}}%
\right)_{\mkern-7mu#4}}}}
\def\@@diffpstar#1#2#3{\mathchoice{\left({\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}\right)_{\mkern-7mu#3}}%
            {\taille{\left({\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}\right)_{\mkern-7mu#3}}}%
            {\scriptstyle{\left({\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}\right)_{\mkern-7mu#3}}}%
            {\scriptstyle{\left({\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}\right)_{\mkern-7mu#3}}}}
\def\diffpnostar{\@ifnextchar[{\@diffpnostar}{\@@diffpnostar}}
\def\@diffpnostar[#1]#2#3{\mathchoice{\frac{\partial^{#1}\derpint#2}%
{\partial\derpint#3^{#1}}}%
{\taille{\frac{\partial^{#1}\derpint#2}{\partial\derpint#3^{#1}}}}%
{\scriptstyle{\frac{\partial^{#1}\derpint#2}{\partial\derpint#3^{#1}}}}%
{\scriptstyle{\frac{\partial^{#1}\derpint#2}{\partial\derpint#3^{#1}}}}}
\def\@@diffpnostar#1#2{\mathchoice{\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}%
            {\taille{\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}}%
            {\scriptstyle{\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}}%
            {\scriptstyle{\begingroup
            \toks0={}\count0=0
            \degree #2\degree
            \frac{\partial\ifnum\count0>1^{\the\count0 }\fi\derpint#1}%
            {\the\toks0}%
            \endgroup}}}
\def\degree #1{\ifx #1\degree \expandafter\stopd
                      \else \expandafter\addd \fi #1^1$#1\addd}
\def\stopd #1\addd{}
\def\addd #1^#2#3$#4\addd{\advance\count0 #2
                          \toks0=\expandafter{\the\toks0%
                           {\partial\derpint #4}%
                          \croisint}\degree}
\endinput
%%
%% End of file `esdiff.sty'.