\ProvidesPackage{ametsoc}

%LaTeX and BibTeX style files for American Meteorological Society publications.
%These are not authorized or approved by the AMS in any way. Use at your own
%risk!
%  (c) Lakshman, National Severe Storms Laboratory
%    http://www.cimms.ou.edu/~lakshman/ametsoc/
% $Id: ametsoc.sty,v 1.10 2007/03/22 18:01:35 lakshman Exp $

% ametsoc.bst is built on top of natbib
\RequirePackage{natbib}

%use Postscript times if available ... it's better looking than computer roman
\usepackage{times}

% Check if user has defined the final option or the conf option
\RequirePackage{ifthen}
\newboolean{final}
\DeclareOption{final}{\setboolean{final}{true}}  

\newboolean{conf}
\DeclareOption{conf}{\setboolean{conf}{true}}

\ProcessOptions

% Set up the environment for conference papers
\ifthenelse{\boolean{conf}}%
{\renewcommand\familydefault{\sfdefault}%Helvetica
\setlength{\oddsidemargin}{-0.25in}%wider page
\setlength{\textwidth}{7in}%more text
\usepackage{fix2col}%makes things look better
}
{}

% If we are final, then all the figures and tables should be at the
% end ...
\ifthenelse{\boolean{final}}
%{\usepackage[tablesfirst]{endfloat}%
{\usepackage{endfloat}% put the tables last, not first
\renewcommand{\processdelayedfloats}{{%  Change of the original endfloat
  %\def\baselinestretch{1}\normalsize   %<-- do not override setspace ...
   \renewcommand{\@dotsep}{500}% -- don't put dots after captions in list
   \let\figure\@bfig
   \let\table\@btab
   \processdelayedfloats@hook
   \pagestyle{empty}
   \if@tablesfirst \processtables\processfigures
   \else \processfigures\processtables \fi
   \processotherdelayedfloats}}
}
{}

% Make it do double-spacing for manuscript when you send it out.
% User will have used \usepackage[final]{ametsoc} to get double-spaced text.
\ifthenelse{\boolean{final}}
  {\usepackage{setspace} \doublespacing \setstretch{2.0}}
  {}

%AMS requires page numbers.
\pagestyle{plain}

% Article's default is to provide arabic numerals for everything.
% Change the formatting of section and lower to be the way AMS wants them.
% --> \makeatletter  is not needed because this is a package file.
\renewcommand{\@seccntformat}[1]{\bf{\csname the#1\endcsname}.~~}%1. in bold


% subsection ...
\renewcommand{\subsection}{\@startsection
{subsection}%
{2}% 2 is the level for subsection
{0mm}% NO indent, starts immediately
{-\baselineskip}% skips 1 baseline after end of previous subsection
{0.5\baselineskip}% half baseline and the first paragraph starts
{\normalfont\normalsize\itshape}%the style, all italics
}
%\renewcommand{\thesubsection}{\thesection\alph{subsection}} % letters
\renewcommand{\thesubsection}{\alph{subsection}} % letters

% subsubsection ...
\renewcommand{\subsubsection}{\@startsection
{subsubsection}%
{3}  % 3 is the level for subsubsection
{0mm}% NO indent, starts immediately
{-\baselineskip}% skips 1 baseline after end of previous subsubsection
{-2mm}% text starts on the same line
{\normalfont\normalsize\itshape}%the style, all italics
}
% roman numbers;  because this is run-in, we need a couple of spaces too.
\renewcommand{\thesubsubsection}{\roman{subsubsection}}


% Acknowlegments is not a section, but is formatted with run-in headings
\newenvironment{acknowledgement}
  {\subsubsection*{\textbf{\emph{Acknowledgement}}}}
  {}

\if@titlepage
  \renewenvironment{abstract}{%
      \titlepage
      \null\vfil
      \@beginparpenalty\@lowpenalty
      \begin{center}%
        \bfseries \abstractname
        \@endparpenalty\@M
      \end{center}}%
     {\par\vfil\null\endtitlepage}
\else
  \renewenvironment{abstract}{%
      \if@twocolumn
        \section*{\abstractname}%
      \else
%        \small
        \begin{center}%
          {\bfseries \abstractname\vspace{-.5em}\vspace{\z@}}%
        \end{center}%
        \quotation
      \fi}
      {\if@twocolumn\else\endquotation\fi}
\fi

% No date on conference papers
\ifthenelse{\boolean{conf}}
{\date{}}
{}

% Define the amstitle depending on whether we are final or not
\newcommand{\amstitle}{
   %\date{}% title page on final should be dated
   \maketitle%make the title
   \thispagestyle{empty}%title page doesn't have page number ...
   \newpage%title page is separate from rest of article
   \pagenumbering{arabic}%start numbering from this point ...
   \newpage%The AMS wants title page separate from article
}%For final manuscript

\ifthenelse{\boolean{final}}
{}
{\renewcommand{\amstitle}{\maketitle}} %no need for separate pages on non-final

%% citations should be of the form ``author year''  not ``author, year''
\bibpunct{(}{)}{;}{a}{}{,}