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 \newcounter{sequence}
 146 \def\thesequence{\arabic{sequence}}
 147 \def\seq{\stepcounter{sequence}\thesequence}
 148 \def\resetseq{\setcounter{sequence}{0}}
 149
 150 \def\head#1{{\sffamily\bfseries\large #1}\par}
 151
 152 %%%------ Page layout for notes ---------------------------------------------
 153
 154 \ifarticle
 155   \raggedbottom
 156   \def\slide@clearpage{\if@nobreak\else\par\penalty\z@\fi}
 157 \fi
 158
 159 %%%----- Slide layout -------------------------------------------------------
 160
 161 \slidewidth=260mm
 162 \slideheight=160mm
 163
 164 \slideplacement{here}
 165 \slideframewidth=1pt
 166 \centerslidesfalse
 167
 168 \def\slidefuzz{20pt}
 169
 170 \def\slideleftmargin{15mm} \let\sliderightmargin=\slideleftmargin
 171 \def\slidetopmargin{15mm} \let\slidebottommargin=\slidetopmargin
 172
 173 \def\slidearraystretch{1}
 174
 175 %%%----- Hacking xcomment ---------------------------------------------------
 176 %%%
 177 %%% Supports \xcalways...\x which is an escape from the usual commenting.
 178
 179 \begingroup
 180 \catcode`\!=12\catcode`\[=12\catcode`\]=12\catcode`\"=12
 181 \lccode`\!=`\\\lccode`\[=`\{\lccode`\]=`\}\lccode`\"=`\%
 182 \catcode`\~=\active\lccode`\~=`\^^M
 183 \lowercase{
 184   %%
 185   %% Hack the main loop code
 186   %%
 187   \gdef\xcomment@@@#1\@nil{%
 188     \def\@tempa{#1}%
 189     \ifx\@tempa\@empty
 190       \let\next\xcomment@
 191     \else
 192       \def\next{\xcomment@@#1\@nil}%
 193       \@testtrue
 194       \xc@checkbegin#1\relax begin[]\relax\relax
 195       \if@test
 196         \xc@checkend#1\relax end[]\relax\relax
 197         \if@test
 198           \xc@checkinput#1\relax input[]\relax\relax
 199           \if@test
 200             \xc@checkinclude#1\relax include[]\relax\relax
 201             \if@test
 202               \xc@checkendinput#1\relax endinputss\relax\relax
 203               \if@test
 204                 \xc@checkalways#1\relax xcalwaysfoo!x\relax\relax
 205     \fi\fi\fi\fi\fi\fi
 206     \next}
 207   %%
 208   %% New command support
 209   %%
 210   \gdef\xc@checkalways#1xcalways#2!x#3\relax#4\relax{%
 211     \def\@tempa{#1}%
 212     \ifx\@tempa\@empty%
 213       \@testfalse%
 214       \endgroup%
 215       \toks@{#2}\rescan\toks@%
 216       \def\next{\the\toks@\xc@always#3\@nil}%
 217     \fi%
 218   }
 219 }
 220 \endgroup
 221
 222 \def\xc@always#1\@nil{\xc@begin#1}
 223 \def\xcalways#1\x{#1}
 224
 225 %%%----- Bugfix -------------------------------------------------------------
 226
 227 \def\@bugfix#1\let\@listi#2#3\@@%
 228   {\def\normalsize{#1#3}}
 229 \expandafter\@bugfix\normalsize\@@
 230
 231 \toks@\expandafter{\slidebox@restore}
 232 \edef\slidebox@restore{\the\toks@\advance\topsep\parskip}
 233
 234 \ifarticle
 235   \def\@bugfix#1\penalty\z@#2\@@{\def\outputloop@savedslides{#1#2}}
 236   \expandafter\@bugfix\outputloop@savedslides\@@
 237   \toks@\expandafter{\output@savedslide}
 238   \def\@strange@hack{\begingroup\output{\unvbox\@cclv}\penalty-\@M\endgroup}
 239   \edef\output@savedslide{\noexpand\@strange@hack\the\toks@}
 240 \fi
 241
 242 \def\@makeslide{%
 243   \setbox\@slidebox\vbox{%
 244     \@begindvi % added 1997/04/15 SPQR
 245     \unvbox\@cclv
 246     \ifvoid\slide@footins\else
 247       \vskip\skip\slide@footins
 248       \vfil
 249       \footnoterule
 250       \unvbox\slide@footins
 251       \unskip
 252     \fi
 253     \vskip\z@}}
 254
 255 \def\@makecol{%
 256    \setbox\@outputbox \box\@cclv
 257    \xdef\@freelist{\@freelist\@midlist}%
 258    \global \let \@midlist \@empty
 259    \@combinefloats
 260    \ifvoid\footins \else
 261      \setbox\@outputbox \vbox {%
 262        \boxmaxdepth \@maxdepth
 263        \unvbox \@outputbox
 264        \vskip \skip\footins
 265        \vfil
 266        \footnoterule
 267        \unvbox \footins
 268        \unskip
 269        }%
 270    \fi
 271    \ifvbox\@kludgeins
 272      \@makespecialcolbox
 273    \else
 274      \setbox\@outputbox \vbox to\@colht {%
 275        \@texttop
 276        \dimen@ \dp\@outputbox
 277        \unvbox \@outputbox
 278        \vskip -\dimen@
 279        \@textbottom
 280        }%
 281    \fi
 282    \global \maxdepth \@maxdepth
 283 }
 284
 285 %%%----- That's all, folks --------------------------------------------------
 286
 287 \endinput