Percentage difference between images: Difference between revisions

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Fix header
(Fixed D entry)
m (Fix header)
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</pre>
 
=={{header|Haskell}}==
 
This implementation takes PPMs as input. It uses modules defined in [[Basic bitmap storage]] and [[Write ppm file]].
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where (RGB (r1, g1, b1)) `minus` (RGB (r2, g2, b2)) =
abs (r1 - r2) + abs (g1 - g2) + abs (b1 - b2)</lang>
 
 
=={{header|Icon}} and {{header|Unicon}}==