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Finally implemented perceptual brightness thing.
author samer
date Sun, 11 Oct 2015 10:20:42 +0100
parents 672052bd81f8
children
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% ascan - Arrow to implement scanl.
%
% ascan :: ((A,S)->S), S -> arrow({A},{S},S).
function o=ascan(sfn,x0)
	o=loop(@st,@(sz)x0);
	function [y,s]=st(x,s), s=sfn(x,s); y=s; end
end