mdw@git.distorted.org.uk Git - doc/ips/blob - ips.cls

   1 %%% -*-latex-*-
   2 %%%
   3 %%% Definitions for IPS course
   4
   5 \NeedsTeXFormat{LaTeX2e}
   6 \ProvidesClass{ips}[2001/10/02]
   7
   8 %%%----- Document class stuff -----------------------------------------------
   9
  10 \newif\ifipsslides \ipsslidesfalse
  11 \newif\ifipsanswers \ipsanswerstrue
  12 \InputIfFileExists{ips.cfg}\relax\relax
  13
  14 \ifipsslides
  15   \PassOptionsToClass{a4, slidesonly}{seminar}
  16 \else
  17   \PassOptionsToClass{a4, article, twoside}{seminar}
  18 \fi
  19 \DeclareOption*{\PassOptionsToClass{\CurrentOption}{seminar}}
  20 \ProcessOptions
  21 \LoadClass{seminar}
  22
  23 %%%----- Required packages --------------------------------------------------
  24
  25 \RequirePackage[palatino, helvetica, courier, maths=cmr]{mdwfonts}
  26 \RequirePackage{fancyhdr}
  27 \RequirePackage[T1]{fontenc}
  28 \RequirePackage{mdwtab, mathenv, crypto, mdwthm, mdwmath}
  29 \RequirePackage[within=section]{exercise}
  30 \RequirePackage{amssymb}
  31 \RequirePackage{url}
  32
  33 \ifx\pdfoutput\@@undefined
  34   \PassOptionsToPackage{dvips}{xy}
  35 \else
  36   \ifarticle
  37     \pdfpagewidth\paperwidth
  38     \pdfpageheight\paperheight
  39   \else
  40     \pdfpagewidth\paperheight
  41     \pdfpageheight\paperwidth
  42   \fi
  43 \fi
  44 \RequirePackage[all]{xy}
  45
  46 %%%----- Miscellaneous settings ---------------------------------------------
  47
  48 \errorcontextlines=999
  49
  50 %%%----- Style choices ------------------------------------------------------
  51
  52 \renewcommand{\qedsymbol}{$\square$}
  53 \def\hex#1{\texttt{0x#1}}
  54 \let\emptystring\lambda
  55 \let\epsilon\varepsilon
  56 \let\phi\varphi
  57 \let\emptyset\varnothing
  58 \bibliographystyle{mdwalpha}
  59 \sloppy
  60
  61 %%%----- Exercise typesetting -----------------------------------------------
  62
  63 \exctrcheck{section}{\answrite{\protect\subsection*{Section \thesection}}}
  64
  65 %%%----- Diagram typesetting ------------------------------------------------
  66
  67 \turnradius={4pt}
  68
  69 \def\ocat{
  70   \setbox\z@\hbox{$\scriptstyle\|$}%
  71   \dimen8\ht\z@\advance\dimen8\dp\z@%
  72   \mathbin{\xy *=<\dimen8>[o][F]{\box\z@} \endxy}%
  73 }
  74
  75 %%%------ Sectioning and headings -------------------------------------------
  76
  77 \ifarticle
  78   \fancyhf{}
  79   \fancyhead[LE]{\textbf{\nouppercase{\leftmark}}}
  80   \fancyhead[RO]{\textbf{\nouppercase{\rightmark}}}
  81   \fancyfoot[LE, RO]{\thepage}
  82   \def\headrulewidth{\z@}
  83   \fancypagestyle{plain}{\fancyhead{}}
  84   \def\sectionmark#1{\markboth{\thesection.\ #1}{}}
  85   \def\subsectionmark#1{\markright{\thesubsection.\ #1}}
  86   \let\emptyslide\relax
  87   \let\topic\@gobble
  88   \pagestyle{fancy}
  89 \else
  90   \def\sectionmark#1{\markboth{#1}{}}
  91   \def\subsectionmark#1{\markright{ -- #1}}
  92   \newcount\@emptyslide
  93   \newpagestyle{slide}%
  94     {\ifnum\@emptyslide=\c@slide\else\textbf{\thetitle}\hfil\fi}%
  95     {\ifnum\@emptyslide=\c@slide\else\leftmark\rightmark\hfil\theslide\fi}
  96   \slidepagestyle{slide}
  97   \def\emptyslide{\global\@emptyslide\c@slide}%
  98   \def\@sect#1#2#3#4#5#6[#7]#8{%
  99     \ifnum #2>\c@secnumdepth\else%
 100       \refstepcounter{#1}%
 101     \fi%
 102     \csname #1mark\endcsname{#7}%
 103     \csname #1summary\endcsname{#7}%
 104   }
 105   \def\@ssect#1#2#3#4#5{\relax}
 106   \newtoks\sm@toks
 107   \newcount\sm@count
 108   \def\sm@auxwrite#1#2{\immediate\write\@auxout
 109     {\noexpand\sm@entry{\the\sm@count}{#1}{#2}}}
 110   \def\sectionsummary{%
 111     \global\advance\sm@count\@ne%
 112     \expandafter\let\expandafter\@next%
 113       \csname sm@summary@\the\sm@count\endcsname%
 114     \ifx\@next\relax\else\@next\sm@endsummary\fi%
 115     \sm@auxwrite{section}%
 116   }
 117   \def\subsectionsummary{\sm@auxwrite{subsection}}
 118   \def\sm@entry#1#2#3{%
 119     \begingroup%
 120       \let\protect\@unexpandable@protect%
 121       \expandafter\ifx\csname sm@summary@#1\endcsname\relax%
 122         \expandafter\let\csname sm@summary@#1\endcsname\@empty%
 123       \fi%
 124       \expandafter\xdef\csname sm@summary@#1\endcsname{%
 125         \csname sm@summary@#1\endcsname%
 126         \expandafter\protect\csname sm@do#2\endcsname{#3}%
 127       }%
 128     \endgroup%
 129   }
 130   \def\sm@dosection#1{%
 131     \begingroup\slide%
 132     \emptyslide%
 133     \noindent\vadjust{}%
 134     \vskip10\p@%
 135     \centerline{\sffamily\bfseries\Large #1 -- overview}
 136     \vskip10\p@%
 137     \begingroup\itemize
 138   }
 139   \def\sm@endsummary{\enditemize\endgroup\endslide\endgroup}
 140   \def\sm@dosubsection#1{\item\relax\@tempswatrue#1}
 141   \def\sm@dotopic#1{\if@tempswa:\@tempswafalse\else;\fi\space#1}
 142   \def\topic{\sm@auxwrite{topic}}
 143 \fi
 144
 145 \def\head#1{{\sffamily\bfseries\large #1}\par}
 146
 147 %%%------ Page layout for notes ---------------------------------------------
 148
 149 \ifarticle
 150   \raggedbottom
 151   \def\slide@clearpage{\if@nobreak\else\par\penalty\z@\fi}
 152 \fi
 153
 154 %%%----- Slide layout -------------------------------------------------------
 155
 156 \slidewidth=260mm
 157 \slideheight=160mm
 158
 159 \slideplacement{here}
 160 \slideframewidth=1pt
 161 \centerslidesfalse
 162
 163 \def\slidefuzz{20pt}
 164
 165 \def\slideleftmargin{15mm} \let\sliderightmargin=\slideleftmargin
 166 \def\slidetopmargin{15mm} \let\slidebottommargin=\slidetopmargin
 167
 168 \def\slidearraystretch{1}
 169
 170 %%%----- Hacking xcomment ---------------------------------------------------
 171 %%%
 172 %%% Supports \xcalways...\x which is an escape from the usual commenting.
 173
 174 \begingroup
 175 \catcode`\!=12\catcode`\[=12\catcode`\]=12\catcode`\"=12
 176 \lccode`\!=`\\\lccode`\[=`\{\lccode`\]=`\}\lccode`\"=`\%
 177 \catcode`\~=\active\lccode`\~=`\^^M
 178 \lowercase{
 179   %%
 180   %% Hack the main loop code
 181   %%
 182   \gdef\xcomment@@@#1\@nil{%
 183     \def\@tempa{#1}%
 184     \ifx\@tempa\@empty
 185       \let\next\xcomment@
 186     \else
 187       \def\next{\xcomment@@#1\@nil}%
 188       \@testtrue
 189       \xc@checkbegin#1\relax begin[]\relax\relax
 190       \if@test
 191         \xc@checkend#1\relax end[]\relax\relax
 192         \if@test
 193           \xc@checkinput#1\relax input[]\relax\relax
 194           \if@test
 195             \xc@checkinclude#1\relax include[]\relax\relax
 196             \if@test
 197               \xc@checkendinput#1\relax endinputss\relax\relax
 198               \if@test
 199                 \xc@checkalways#1\relax xcalwaysfoo!x\relax\relax
 200     \fi\fi\fi\fi\fi\fi
 201     \next}
 202   %%
 203   %% New command support
 204   %%
 205   \gdef\xc@checkalways#1xcalways#2!x#3\relax#4\relax{%
 206     \def\@tempa{#1}%
 207     \ifx\@tempa\@empty%
 208       \@testfalse%
 209       \endgroup%
 210       \toks@{#2}\rescan\toks@%
 211       \def\next{\the\toks@\xc@always#3\@nil}%
 212     \fi%
 213   }
 214 }
 215 \endgroup
 216
 217 \def\xc@always#1\@nil{\xc@begin#1}
 218 \def\xcalways#1\x{#1}
 219
 220 %%%----- Bugfix -------------------------------------------------------------
 221
 222 \def\@bugfix#1\let\@listi#2#3\@@%
 223   {\def\normalsize{#1#3}}
 224 \expandafter\@bugfix\normalsize\@@
 225
 226 \toks@\expandafter{\slidebox@restore}
 227 \edef\slidebox@restore{\the\toks@\advance\topsep\parskip}
 228
 229 \ifarticle
 230   \def\@bugfix#1\penalty\z@#2\@@{\def\outputloop@savedslides{#1#2}}
 231   \expandafter\@bugfix\outputloop@savedslides\@@
 232   \toks@\expandafter{\output@savedslide}
 233   \def\@strange@hack{\begingroup\output{\unvbox\@cclv}\penalty-\@M\endgroup}
 234   \edef\output@savedslide{\noexpand\@strange@hack\the\toks@}
 235 \fi
 236
 237 \def\@makeslide{%
 238   \setbox\@slidebox\vbox{%
 239     \@begindvi % added 1997/04/15 SPQR
 240     \unvbox\@cclv
 241     \ifvoid\slide@footins\else
 242       \vskip\skip\slide@footins
 243       \vfil
 244       \footnoterule
 245       \unvbox\slide@footins
 246       \unskip
 247     \fi
 248     \vskip\z@}}
 249
 250 \def\@makecol{%
 251    \setbox\@outputbox \box\@cclv
 252    \xdef\@freelist{\@freelist\@midlist}%
 253    \global \let \@midlist \@empty
 254    \@combinefloats
 255    \ifvoid\footins \else
 256      \setbox\@outputbox \vbox {%
 257        \boxmaxdepth \@maxdepth
 258        \unvbox \@outputbox
 259        \vskip \skip\footins
 260        \vfil
 261        \footnoterule
 262        \unvbox \footins
 263        \unskip
 264        }%
 265    \fi
 266    \ifvbox\@kludgeins
 267      \@makespecialcolbox
 268    \else
 269      \setbox\@outputbox \vbox to\@colht {%
 270        \@texttop
 271        \dimen@ \dp\@outputbox
 272        \unvbox \@outputbox
 273        \vskip -\dimen@
 274        \@textbottom
 275        }%
 276    \fi
 277    \global \maxdepth \@maxdepth
 278 }
 279
 280 %%%----- That's all, folks --------------------------------------------------
 281
 282 \endinput