% This is the place to define all the non-standard LaTeX commands needed in PISM Class browser.

\newcommand{\diff}[2]{\frac{\partial #1}{\partial #2}}

% for BOMBPROOF:
\newcommand{\Up}[2]{\operatorname{Up}\left(#1\big|#2\right)}
\newcommand{\uppair}[2]{\left\{\begin{matrix} #1 \\ #2 \end{matrix}\right\}}