/usr/share/psychtoolbox-3/PsychOneliners/log10nw.m is in psychtoolbox-3-common 3.0.9+svn2579.dfsg1-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | function y=log10nw(x)
% y=log10nw(x)
% "nw" stands for "No Warnings". Equivalent to Matlab's built-in LOG10 function, but suppresses warnings,
% e.g. "Warning: Log of zero."
%
% LOG10NW(X) is the base 10 logarithm of the elements of X.
% Complex results are produced if X is negative.
if nargin~=1
error('Usage: y=log10nw(x)')
end
oldWarning=warning;
warning('off');
y = log(x) ./ log(10);
warning(oldWarning);
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