[Octave-bug-tracker] [bug #47746] imwrite writes incorrect TIFF pixel values from uint8 array on i686-linux-gnu

[Carnë Draug]

Follow-up Comment #3, bug #47746 (project octave):

This snippet:


x = uint8 (0:255);
imwrite (x, "test.tif");


Should follow this code path (it's a single channel/color without alpha so an
Image of type  Magick::GrayscaleType) 
http://hg.savannah.gnu.org/hgweb/octave/file/58f5a6347851/libinterp/dldfcn/__magick_read__.cc#l1096

Can you print the value of grey at line 1111 to check if we are computing it
wrong or if it's an issue in GraphicsMagick?

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