[Octave-bug-tracker] [bug #35761] surf() fails when Z values are within eps of each other

[Marco Caliari]

Follow-up Comment #5, bug #35761 (project octave):

You are right, in fact the test should be relative


if (std::abs (min_val - max_val) <= sqrt (DBL_EPSILON) * 
    std::max (std::abs (min_val), std::abs (max_val)))


as already mentioned in some FIXME comments. Also notices that I put <=
instead of <, otherwise this test


x = y = ones (3);
z = zeros (3);
surf (x,y,z)


fails.

Marco


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