ics-math.def

% ics-math.def : Math-related definitions
% vim:ft=tex

% Bold math
\providecommand{\boldsymbol}[1]{\mbox{\boldmath $#1$}}

% Roman type super/sub-scripts
\providecommand*{\ped}[1]{\ensuremath{_\mathrm{#1}}}
\providecommand*{\ap}[1]{\ensuremath{^\mathrm{#1}}}

% Encircled character
\newcommand*\circled[1]{\tikz[baseline=(char.base)]{
            \node[shape=circle,draw,inner sep=2pt] (char) {#1};}}

%%%% Math symbols

% The constant 'e'
\providecommand*{\eu}{\ensuremath{\mathrm{e}}}
% The imaginary unit 
\providecommand*{\iu}{\ensuremath{\mathrm{j}}}

\DeclareMathAccent{\ring}{\mathalpha}{operators}{"17}
% Angstrom
\providecommand*{\angs}{\ensuremath{\smash{\mathrm{\ring A}}}}
% Ohm
\providecommand*{\ohm}{\ensuremath{\mathrm{\ring A}}}
% Degree
\providecommand*{\degree}{\ensuremath{^\circ}}

% New operators
\providecommand{\newoperator}[3]{\newcommand*{#1}{\mathop{#2}#3}}
\providecommand{\renewoperator}[3]{\renewcommand*{#1}{\mathop{#2}#3}}

% Derivatives
\providecommand*{\diff}{\@ifnextchar^{\DIfF}{\DIfF^{}}}
\def\DIfF^#1{\mathop{\mathrm{\mathstrut d}}\nolimits^{#1}\gobblespace}
\def\gobblespace{\futurelet\diffarg\opspace}
\def\opspace{%
        \let\DiffSpace\!%
        \ifx\diffarg(%
                \let\DiffSpace\relax
        \else
                \ifx\diffarg[%
                        \let\DiffSpace\relax
                \else
                        \ifx\diffarg\{%
                                \let\DiffSpace\relax
        \fi\fi\fi\DiffSpace}
\providecommand*{\deriv}[3][]{\frac{\diff^{#1}#2}{\diff #3^{#1}}}
\providecommand*{\pDeriv}[3][]{\frac{\partial^{#1}#2}{\partial #3^{#1}}}

\endinput