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annotate general/numerical/scalar/qlog.m @ 61:eff6bddf82e3 tip

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Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents db7f4afd27c5
children
rev   line source
samer@4 1 function y=qlog(x), I=(x==0); x(I)=1; y=log(x); y(I)=-inf; end
samer@4 2 % qlog - quiet log (no warning when x=0)
samer@4 3 %
samer@4 4 % qlog :: [[D]] -> [[D]].
samer@4 5