%       Nomenclature style. Version 2.2
%       Formats glossary entries to show, e. g. nomenclature
%       of equations.
%       
%       Written by Boris Veytsman boris@plmsc.psu.edu,
%       Home page http://planck.plmsc.psu.edu/~boris/
%
%       Change 11/25/96 General cleanup. 
%       Change 11/25/96 Changed \ifthenelse to \ifx.
%       Change 11/25/96 changed \relax to ignorespaces to cope with
%       extra line breaks inserted by MakeIndex

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{nomencl}[11/26/96 Nomenclature package, version 2.2]
\RequirePackage{makeidx}
\newcommand{\NomPage}[1]{\relax}
\newcommand{\NomEquation}[1]{\relax}
\DeclareOption{refeq}{%
        \renewcommand{\NomEquation}[1]{\eqdeclaration{#1}}}
\DeclareOption{norefeq}{%
        \renewcommand{\NomEquation}[1]{\relax}}
\DeclareOption{refpage}{%
        \renewcommand{\NomPage}[1]{\pagedeclaration{#1}}}
\DeclareOption{norefpage}{%
        \renewcommand{\NomPage}[1]{\relax}}
\ProcessOptions

\newcommand{\eqdeclaration}[1]{, see equation (#1)\ignorespaces}
\newcommand{\pagedeclaration}[1]{, page #1}

\newcommand{\ProcessEqRef}[3]{\ignorespaces%
        \ifx#1Y\eqdeclaration{#3}\else%
        \ifx#1N\ignorespaces\else#2{#3}\fi\fi}
        
        
\newcommand{\ProcessPageRef}[3]{\ignorespaces%
        \ifx#1Y\pagedeclaration{#3}\else%
        \ifx#1N\ignorespaces\else#2{#3}\fi\fi} 

\newcommand{\nomgroup}[1]{}

\DeclareRobustCommand{\nomref}[6]{\ProcessEqRef{#1}{#3}{#4}%
  \ProcessPageRef{#2}{#5}{#6}}
\DeclareRobustCommand{\nomname}{\section*{Nomenclature}}
\DeclareRobustCommand{\refeq}{\nomref{Y}{O}}
\DeclareRobustCommand{\refpage}{\nomref{O}{Y}}
\DeclareRobustCommand{\refeqpage}{\nomref{Y}{Y}}


\newenvironment{theglossary}{%
        \nomname\begin{description}}{%
        \end{description}}

\newcommand{\nomprefix}{a}

\newcommand{\nomenclature}[3][\nomprefix]{\ignorespaces%
        \protected@write\@glossaryfile{}%
        {\string\glossaryentry{#1#2@[#2]#3%
        \protect\NomEquation{\theequation}|NomPage }{\thepage}}}


\newcommand{\printglossary}{%
        \InputIfFileExists{\jobname.gls}{}{\typeout{No file \jobname.gls}}}

\InputIfFileExists{nomencl.cfg}{\typeout{Using the configuration %
file nomencl.cfg}}{}