[Octave-patch-tracker] [patch #8119] Allow variable tolerance and improve error messages for assert.m script

[Rik]

Follow-up Comment #5, patch #8119 (project octave):

What about using the 'plus' format for the differences matrix?


x = [1 2; 3 4]; y = [1 3; 2 4];
tol = 0.1;
result = x - y;
bad_idx = abs (result) > tol;
format plus "** ";
disp (bad_idx);
format short;


I like the idea of displaying the indices of the mismatches.  I think it might
be even better if we moved from a vertical to a horizontal format.  Right now,
it is 


Expected:
...
...
...
Got
...
...
...
Tolerance exceeded by 
...
...
...


But, I think this would be better.


Location  |  Expected      |     Got     |  Reason
[1,2]           2                 3         Exceeds absolute tolerance 0


We should use shorter names, but this is the idea.


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