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% Generated file : DO NOT EDIT
\@ifundefined{@psfontsfalse}{\newif\if@psfonts \@psfontsfalse}{}
\@ifundefined{examn@uprightpifalse}{\newif\ifexamn@uprightpi \examn@uprightpifalse}{}
\@ifundefined{examn@mtselect}{\newcount\examn@mtselect \examn@mtselect=0}{}
\if@psfonts
\ifcase\examn@mtselect
% mathptm fonts
% This is a very clumsy version, but it appears to be our only option
\def\vec#1{\mathchoice{\mbox{\boldmath $\displaystyle #1$}}
{\mbox{\boldmath $ #1$}}
{\mbox{\boldmath $\scriptstyle #1$}}
{\mbox{\boldmath $\scriptscriptstyle #1$}}}
\ifexamn@uprightpi
\ClassWarning{exam-n}{Can't do uprightpi in [mathptm] -- sorry}
\let\italicpi\pi
\examn@uprightpifalse
\fi
\or % mathtime (should this be the same for mathtime as for mtpro2?
\let\vec\mathbf
\ifexamn@uprightpi
\ClassWarning{exam-n}{Can't do uprightpi in [mathtime] -- sorry}
\let\italicpi\pi
\examn@uprightpifalse
\fi
\or % mtpro2
\let\vec\mathbold
% \uppi is predefined in mtpro2
\ifexamn@uprightpi
\let\italicpi\pi
\let\pi\uppi
\fi
\else
% STIX2: the unicode-math package provides a \symbf for bold math symbols,
\ifnum\examn@engine<2 % pdflatex
\let\vec\mathbf
% pdftex (or original tex)
% The following should, I think, create an upright pi, but doesn't
\def\uppi{\mathrm{\pi}}
\let\italicpi\pi %for consistency
\let\symup\mathrm %not fully the right thing, but avoid errors below
\else % xelatex or lualatex
% This is where the dependence on a recent LaTeX enters.
\let\vec\symbf
\typeout{stix2: upright=\ifexamn@uprightpi true\else false\fi}
\AddToHook{begindocument/end}{\gdef\uppi{\symup{𝜋}}}
\ifexamn@uprightpi
\AddToHook{begindocument/end}{\gdef\italicpi{\symit{𝜋}}\global\let\pi\uppi}
\fi
\fi
\fi
\else
% CM fonts: \mathbf doesn't work with greek in CM
\let\vec\mathbf
\ifexamn@uprightpi
% upright greek is hard to do portably, so give up
% See eg https://tex.stackexchange.com/questions/145926/ for discussion
\ClassWarning{exam-n}{Can't do uprightpi in [cmfonts] -- sorry}
\let\italicpi\pi
\let\uppi\pi %but avoid errors
\examn@uprightpifalse
\fi
\fi
\newcommand\BSc{B.Sc.{}}
\newcommand\MSci{M.Sci.{}}
\newcommand\MSc{M.Sc.{}}
\newcommand\MA{M.A.{}}
\newcommand\MEng{M.Eng.{}}
\newcommand\BEng{B.Eng.{}}
\ifnum\examn@mtselect>2
% ie, STIX2, and thus using the unicode-math package (see above)
\def\e{\symup{e}}
\newcommand{\dd}{\symup{d}}
\newcommand{\ddd}{\,\symup{d}}
\else
\def\e{\mathrm{e}}
\newcommand{\dd}{\mathrm{d}}
\newcommand{\ddd}{\,\mathrm{d}}
\fi
\def\Diffl{\@ifstar\@Difflflat\@Diffl}
\def\Partial{\@ifstar\@Partialflat\@Partial}
\def\@Partial{\@ifnextchar[{\@@Diffl\partial}{\@@Diffl\partial[]}}
\def\@Partialflat{\@ifnextchar[{\@@Difflflat\partial}{\@@Difflflat\partial[]}}
\def\@Diffl{\@ifnextchar[{\@@Diffl\dd}{\@@Diffl\dd[]}}
\def\@Difflflat{\@ifnextchar[{\@@Difflflat\dd}{\@@Difflflat\dd[]}}
\def\@@Diffl#1[#2]#3#4{%
\def\@tempa{#2}%
\ifx\@tempa\empty
\frac{#1#3}{#1#4}%
\else
\frac{{#1}^{#2}#3}{#1{#4}^{#2}}%
\fi}
\def\@@Difflflat#1[#2]#3#4{%
\def\@tempa{#2}%
\ifx\@tempa\empty
#1#3\mskip-0.8mu/\mskip-1.2mu #1#4%
\else
{#1}^{#2}#3\mskip-0.8mu /\mskip-1.2mu #1{#4}^{#2}%
\fi}
\def\units{\examn@unitswarning
\begingroup
\catcode`\.=\active
\@ifstar{\let\un@tsspace\relax \un@ts}%
{\let\un@tsspace\thinspace\un@ts}}
\begingroup
\catcode`\.=\active
\gdef\un@ts#1{\let~\thinspace\let.\thinspace
\ifmmode
\un@tsspace\mathrm{#1}%
\else
\nobreak$\un@tsspace\mathrm{#1}$%
\fi
\endgroup}
\endgroup
\newif\ifexamn@warnunits \examn@warnunitstrue
\def\examn@unitswarning{\ifexamn@warnunits
\ClassWarning{exam-n}{The units macro will be removed in the next
version; the [siunitx] option is now on by default, so you can use
the macros in the siunits package}%
\global\examn@warnunitsfalse
\fi}
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