% 
% File:	  test7.qasm
% Date:	  22-Mar-04
% Author: I. Chuang <ichuang@mit.edu>
%
% Sample qasm input file - measurement
% of operator with correction
% 
% 	def	c-U,1,'U'
% 	def	c-V,1,'V'
% 
% 	qubit	q0
% 	qubit	q1
% 
% 	H	q0
% 	c-U	q0,q1
% 	H	q0
% 	measure	q0
% 	c-V	q0,q1
% 	nop	q0
% 	nop	q1

%  Time 01:
%    Gate 00 H(q0)
%  Time 02:
%    Gate 01 c-U(q0,q1)
%  Time 03:
%    Gate 02 H(q0)
%  Time 04:
%    Gate 03 measure(q0)
%  Time 05:
%    Gate 04 c-V(q0,q1)
%  Time 06:
%    Gate 05 nop(q0)
%    Gate 06 nop(q1)

% Qubit circuit matrix:
%
% q0: gAA, gBA, gCA, gDA, gEA, gFA, N  
% q1: n  , gBB, n  , n  , gEB, gFB, n  

\documentclass[11pt]{article}
\input{xyqcirc.tex}

% definitions for the circuit elements

\def\gAA{\op{H}\w\A{gAA}}
\def\gBA{\b\w\A{gBA}}
\def\gBB{\op{U}\w\A{gBB}}
\def\gCA{\op{H}\w\A{gCA}}
\def\gDA{\meter\w\A{gDA}}
\def\gEA{\b\W\A{gEA}}
\def\gEB{\op{V}\w\A{gEB}}
\def\gFA{*-{}\W\A{gFA}}
\def\gFB{*-{}\w\A{gFB}}

% definitions for bit labels and initial states

\def\bA{ \q{q_{0}}}
\def\bB{ \q{q_{1}}}

% The quantum circuit as an xymatrix

\xymatrix@R=5pt@C=10pt{
    \bA & \gAA &\gBA &\gCA &\gDA &\gEA &\gFA &\N  
\\  \bB & \n   &\gBB &\n   &\n   &\gEB &\gFB &\n  
%
% Vertical lines and other post-xymatrix latex
%
\ar@{-}"gBB";"gBA"
\ar@{=}"gEB";"gEA"
}

\end{document}