[Octave-bug-tracker] [bug #35292] FLTK plot figure crashes when using right-mouse zoom and logarithmic axes

[Doug Stewart]

Follow-up Comment #27, bug #35292 (project octave):

 I think I found the nan problem  on line 6578 of graphics.cc
if (is_logscale)
    {
      if (is_negative)
        {
          double tmp = hi;
          hi = std::log10 (-lo);
          lo = std::log10 (-tmp);
          val = std::log10 (-val);    this is line 6578
        }
   
val is pos when we get here and this makes nans
I will recompile and try my fix

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