%------------------------------------------------------------------------
% Set default counters
%------------------------------------------------------------------------

\setlength{\parindent}{0em}
\setlength{\parskip}{2ex}
\setlength{\topmargin}{-2cm}
\setlength{\headheight}{0cm}
\setlength{\textheight}{23cm}
\setlength{\textwidth}{15cm}
\setlength{\oddsidemargin}{0.5cm}
\setlength{\evensidemargin}{0.5cm} 


%------------------------------------------------------------------------
% enu: my own enumeration environment
%------------------------------------------------------------------------

\newcounter{enu}
\newenvironment {enu}%
 {\begin{list}
  {\arabic{enu}.}%
  {\usecounter{enu}
   \setlength {\parskip}{0ex}
   \setlength {\itemsep} {-1ex}
   \setlength {\topsep} {-1.5ex}}}%
 {\end{list}
  \vspace{1.5ex}}


%------------------------------------------------------------------------
% dotlist: my own itemize environment
%------------------------------------------------------------------------

\newenvironment {dotlist}%
 {\begin{list}
  {$ \bullet $}%
  {\setlength {\itemsep} {-1ex}
   \setlength {\parskip}{0ex}
   \setlength {\topsep} {-1.5ex}}}%
 {\end{list}
  \vspace{1.5ex}}

%------------------------------------------------------------------------
% varlist: my own variable list environment
%------------------------------------------------------------------------

\newenvironment {varlist}%
 {\begin{list}
  {{\bf You forgot the label}}%
  {\setlength {\itemsep} {-1ex}
   \setlength {\parskip}{0ex}
   \setlength {\topsep} {-1.5ex}}}%
 {\end{list}
  \vspace{1.5ex}}


%------------------------------------------------------------------------
% putcross: put a figure's cross reference name instead of the figure
% itself
%
% args: - #1: the height of the figure in inches
%       - #2: the cross reference keyword for the figure.
%------------------------------------------------------------------------

\setlength {\unitlength} {1in}

\newcommand{\putcross}[2]%
 {\begin{picture}(3,#1)
    \put(0.5,0.5){#2}
  \end{picture}}


%------------------------------------------------------------------------
% some commands necessary because '<' and '>' are not available in Roman
% font: left hook (lh) and right hook (rh).
%------------------------------------------------------------------------

\newcommand {\lh} {{\sc <}}
\newcommand {\rh} {{\sc >}}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%	This file should be 'input' into a tex file to change from
%	using the computer modern fonts to using the postscript 
%	printer esident Times-Roman font. 
%
%	Only the roman, bold and italic typefaces are changed. You can
%	redefine other fonts in a similar fashion or create other files
%	that use other postscript fonts.
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Times-Roman at 5pt
%
\font\fivrm = psmtimr at 5pt
\font\fivbf = psmtimb at 5pt
\font\fivit = psmtimi at 5pt
%
% Times-Roman at 6pt
%
\font\sixrm = psmtimr at 6pt
\font\sixbf = psmtimb at 6pt
\font\sixit = psmtimi at 6pt
%
% Times-Roman at 7pt
%
\font\sevrm = psmtimr at 7pt
\font\sevbf = psmtimb at 7pt
\font\sevit = psmtimi at 7pt
%
% Times-Roman at 8pt
%
\font\egtrm = psmtimr at 8pt
\font\egtbf = psmtimb at 8pt
\font\egtit = psmtimi at 8pt
%
% Times-Roman at 9pt
%
\font\ninrm = psmtimr at 9pt
\font\ninbf = psmtimb at 9pt
\font\ninit = psmtimi at 9pt
\font\nintt = psmcou  at 9pt       % typewriter mapped on Courier 
    \hyphenchar\nintt = -1         % suppress hyphenation
%
% Times-Roman at 10pt
%
\font\tenrm = psmtimr at 10pt
\font\tenbf = psmtimb at 10pt
\font\tenit = psmtimi at 10pt
\font\tensl = psmhlvo at 10pt      % mapped on Helvetica-Oblique
\font\tensf = psmhlv  at 10pt      % mapped on Helvetica
\font\tentt = psmcou  at 10pt      % typewriter mapped on Courier 
    \hyphenchar\tentt = -1         % suppress hyphenation
%
% Times-Roman at 11pt
%
\font\elvrm = psmtimr at 11pt
\font\elvbf = psmtimb at 11pt
\font\elvit = psmtimi at 11pt
\font\elvsl = psmhlvo at 11pt      % mapped on Helvetica-Oblique
\font\elvsf = psmhlv  at 11pt      % mapped on Helvetica
\font\elvtt = psmcou  at 11pt      % typewriter mapped on Courier 
    \hyphenchar\elvtt = -1         % suppress hyphenation
%
% Times-Roman at 12pt
%
\font\twlrm = psmtimr at 12pt
\font\twlbf = psmtimb at 12pt
\font\twlit = psmtimi at 12pt
\font\twlsl = psmhlvo at 12pt      % mapped on Helvetica-Oblique
\font\twlsf = psmhlv  at 12pt      % mapped on Helvetica
\font\twltt = psmcou  at 12pt      % typewriter mapped on Courier 
    \hyphenchar\twltt = -1         % suppress hyphenation
%
% Times-Roman at 14pt
%
\font\frtnrm = psmtimr at 14pt
\font\frtnbf = psmtimb at 14pt
\font\frtnit = psmtimi at 14pt
%
% Times-Roman at 17pt
%
\font\svtnrm = psmtimr at 17pt
\font\svtnbf = psmtimb at 17pt
\font\svtnit = psmtimi at 17pt
%
% Times-Roman at 20pt
%
\font\twtyrm = psmtimr at 20pt
\font\twtybf = psmtimb at 20pt
\font\twtyit = psmtimi at 20pt
%
% Times-Roman at 25pt
%
\font\twfvrm = psmtimr at 25pt
\font\twfvbf = psmtimb at 25pt
\font\twfvit = psmtimi at 25pt
%
% visible fourteen point fonts
\font\fourteenrm   = psmtimr at 14pt
\font\fourteenit   = psmtimi at 14pt
\font\fourteenbf   = psmtimb at 14pt
\font\fourteentt   = psmcou  at 14pt
    \hyphenchar\fourteentt = -1         %  suppress hyphenation in \tt font
%
% visible seventeen point fonts
\font\seventeenrm   = psmtimr at 17pt
\font\seventeenit   = psmtimi at 17pt
\font\seventeenbf   = psmtimb at 17pt
\font\seventeentt   = psmcou  at 17pt
    \hyphenchar\seventeentt = -1         %  suppress hyphenation in \tt font
%
% visible twenty point fonts 
\font\twentyrm   = psmtimr at 20pt
\font\twentyit   = psmtimi at 20pt
\font\twentybf   = psmtimb at 20pt
\font\twentytt   = psmcou  at 20pt
    \hyphenchar\twentytt = -1         %  suppress hyphenation in \tt font
%
% visible twentyfour point fonts -- \magstep 6
\font\twentyfourrm   = psmtimr at 24pt
\font\twentyfourit   = psmtimi at 24pt
\font\twentyfourbf   = psmtimb at 24pt
\font\twentyfourtt   = psmcou  at 24pt
    \hyphenchar\twentyfourtt = -1         %  suppress hyphenation in \tt font
%
% visible twentynine point fonts -- \magstep 7
\font\twentyninerm   = psmtimr at 29pt
\font\twentynineit   = psmtimi at 29pt
\font\twentyninebf   = psmtimb at 29pt
\font\twentyninett   = psmcou  at 29pt
    \hyphenchar\twentyninett = -1         %  suppress hyphenation in \tt font
%
% visible thirtyfour point fonts -- \magstep 8
% \font\thirtyfourrm   = psmtimr at 34pt
% \font\thirtyfourit   = psmtimi at 34pt
% \font\thirtyfourbf   = psmtimb at 34pt
% \font\thirtyfourtt   = psmcou  at 34pt
%    \hyphenchar\thirtyfourtt = -1        %  suppress hyphenation in \tt font
%
% fortyone point fonts
% \font\fortyonerm  = psmtimr at 41pt