Modernizing Hat Operators in Latex
\LaTeX?
\documentclass{article}
\usepackage{pict2e}
\DeclareRobustCommand{\howdyhat}{
\begingroup\setlength{\unitlength}{\fontcharht\font`A}
\begin{picture}(.5,1)
\roundcap
\put(-0,-.15){\line(-1,1.5){0.11}}
\put(0.5,-.15){\line(1,1.5){0.11}}
\put(-0,-.15){\line(1,0){0.5}}
\put(0.1,-.15){\line(0,1){0.2}}
\put(0.4,-.15){\line(0,1){0.2}}
\put(0.1,0.05){\line(1,1){0.075}}
\put(0.4,0.05){\line(-1,1){0.075}}
\put(0.18,0.12){\line(1,-1){0.065}}
\put(0.32,0.12){\line(-1,-1){0.065}}
\end{picture}
\endgroup
}
\DeclareRobustCommand{\partyhat}{
\begingroup\setlength{\unitlength}{\fontcharht\font`A}
\begin{picture}(.5,1)
\roundcap
\put(-0,-.15){\line(1,3){0.25}}
\put(-0,-.15){\line(1,0){0.5}}
\put(0.5,-.15){\line(-1,3){0.25}}
\put(-0,-.15){\line(1,.5){0.4}}
\put(0.09,0.075){\line(1,.5){0.27}}
\put(0.17,0.3){\line(1,.5){0.13}}
\end{picture}
\endgroup
}
\DeclareRobustCommand{\abehat}{
\begingroup\setlength{\unitlength}{\fontcharht\font`A}
\begin{picture}(.5,1)
\roundcap
\put(-0.1,-.15){\line(1,0){0.75}}
\put(0.12,-.05){\line(1,0){0.32}}
\put(0.1,-.15){\line(0,1){0.7}}
\put(0.45,-.15){\line(0,1){0.7}}
\put(0.1,0.55){\line(1,0){0.35}}
\end{picture}
\endgroup
}
\DeclareRobustCommand{\witchhat}{
\begingroup\setlength{\unitlength}{\fontcharht\font`A}
\begin{picture}(.5,1)
\roundcap
\put(-0.15,-.15){\line(1,0){0.85}}
\put(0.02,-.15){\line(1,3){0.25}}
\put(0.52,-.15){\line(-1,3){0.25}}
\end{picture}
\endgroup
}
\newcommand\popacaponit[2]{\mathrel{\stackrel{\makebox[0pt]{\mbox{$#2$}}}{#1}}}
\newcommand\howdy[1]{\popacaponit{#1}{\howdyhat}}
\newcommand\party[1]{\popacaponit{#1}{\partyhat}}
\newcommand\abe[1]{\popacaponit{#1}{\abehat}}
\newcommand\witch[1]{\popacaponit{#1}{\witchhat}}
\begin{document}
\begin{equation}
\howdy{x} \ \ \ \ \party{x} \ \ \ \ \abe{x} \ \ \ \ \witch{x}
\end{equation}
\end{document}