XOR voor LaTeX

doc.tex

% prints the \oplus always in math mode
\newcommand*\xor{\ensuremath{\mathbin{\oplus}}\ }

% 
% \xorequation{a}{b}{c}
% Produces:
%            a
%            b \xor
%           ---
%            c
\newcommand{\xorequation}[3]
{ 
  \ensuremath{
    \begin{array}{ll}
      {#1} &        \\
      {#2} & \xor\\
      \hline
      {#3} & \\
    \end{array}
  }
}