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Add \ncds to do the same as \cds without wire. #38

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Add \ncds to do the same as \cds without wire. #38

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20 changes: 19 additions & 1 deletion Qtutorial.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -483,6 +483,23 @@ \subsection{Non-gate inserts, forcing space, and swap \label{S:inserts}}
& \qw & \qw & \qw & \ctrl{-4} & \qw \\
}\end{verbatim}}

To do the same without wires, you could use the \verb=\ncds= command.
\[\Qcircuit @C=1em @R=.7em {
& \targ & \targ & \qw & \ncds{4}{\cdots}
&& \targ & \qw\\
& \ctrl{-1} & \qw & \qw & && \qw & \qw \\
& \qw & \ctrl{-2} & \qw & && \qw & \qw \\
& & & && & \\
& \qw & \qw & \qw & && \ctrl{-4} & \qw \\
}\]
{\small \begin{verbatim}\Qcircuit @C=1em @R=.3em {
& \targ & \targ & \qw & \ncds{4}{\cdots}
&& \targ & \qw\\
& \ctrl{-1} & \qw & \qw & && \qw & \qw \\
& \qw & \ctrl{-2} & \qw & && \qw & \qw \\
& & & && & \\
& \qw & \qw & \qw & && \ctrl{-4} & \qw \\
}\end{verbatim}}

\subsection{Barriers}

Expand Down Expand Up @@ -753,7 +770,8 @@ \section{Table of Commands}
@!C \\
@! \\
\char92 push\{\#1\} \\
\char92 cds\{\#1\}\{\#2\}}\\
\char92 cds\{\#1\}\{\#2\} \\
\char92 ncds\{\#1\}\{\#2\}}\\
Wires & \parbox[t]{6cm}{\tt
\char92 qw[\#1] \\
\char92 qwx[\#1] \\
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2 changes: 2 additions & 0 deletions qcircuit.sty
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Expand Up @@ -76,6 +76,8 @@
\newcommand{\cds}[2]{*+<1em,.9em>{\hphantom{#2}} \POS [0,0].[#1,0]="e",!C *{#2};"e"+ R \qw}
% Allows the insertion of text without a box and exands circuit around this text.
% This is useful for such things as ... to indicate a generalized circuit.
\newcommand{\ncds}[2]{{\hphantom{#2}} \POS [0,0].[#1,0]="e",!C *{#2};"e"+ R}
% As \cds without incoming wire and extra space.
\newcommand{\barrier}[2][-0.95em]{\ar @{--}[#2,1]+<#1, -1em>;[0,1]+<#1, 1em>}
% Defines a barrier that is represented by a horizontal dashed line.
% It takes a a single argument to specify how many bits to cover
Expand Down