/usr/share/psychtoolbox-3/PsychBasic/DoNothing.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 | function [empty1,etc]=DoNothing(arg1,etc)
% function [empty1,etc]=DoNothing([arg1],[etc])
%
% DoNothing is a dummy MEX routine used to measure Matlab's overhead
% in calling MEX functions. Input arguments are ignored. DoNothing
% returns an empty matrix for each explicitly provided output argument.
% 8/17/97 dgp Wrote it.
% 4/24/02 awi Fixed function definition.
% Added an error message if DoNothing.m is executed
% 7/2/04 awi Replaced the error message with a call to PsychAssertMex.
AssertMex;
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