[Octave-bug-tracker] [bug #58305] Colorbar scale errors for very low numbers

[Markus Mützel]

Update of bug #58305 (project octave):

                Category:                Plotting => Plotting with OpenGL   
              Item Group:       Inaccurate Result => Incorrect Result       
                 Release:                   5.1.0 => dev                    
        Operating System:       Microsoft Windows => Any                    
              Depends on:                         => bugs #32980            

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Follow-up Comment #1:

This is probably another manifestation of bug #32980.
The OpenGL backend uses single precision floating point numbers. eps('single')
is approx. 1.1921e-07. So it is to be expected that there are deviations for
such small numbers where neighbors are sparse. [1]

[1]: https://en.wikipedia.org/wiki/Denormal_number

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