HTNotes/HTNotes-math.sty at master · htharoldht/HTNotes · GitHub

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\NeedsTeXFormat{LaTeX2e}

\ProvidesPackage{HTNotes-math}

% \RequirePackage{amsmath,amssymb,ntheorem}

\everymath{\displaystyle}

\DeclareMathOperator{\dif}{\mathop{}\!\mathrm{d}}
\DeclareMathOperator{\upe}{\operatorname{e}}
\DeclareMathOperator{\cov}{\operatorname{cov}}
\DeclareMathOperator{\upi}{\operatorname{i}}
\DeclareMathOperator{\sgn}{\operatorname{sgn}}
\DeclareMathOperator{\grad}{\operatorname{grad}}

\DeclareRobustCommand{\uppartial}{%
  \text{\rotatebox[origin=t]{15}%
  {\scalebox{0.95}[1]{$\partial$}}}\hspace{-1pt}%
}

\newcommand{\abs}[1]{\left| #1 \right|}

\renewcommand{\Re}{\operatorname{Re}}
\renewcommand{\Im}{\operatorname{Im}}
\renewcommand{\le}{\leqslant}
\renewcommand{\leq}{\leqslant}
\renewcommand{\ge}{\geqslant}
\renewcommand{\geq}{\geqslant}

\endinput