Unverified Commit 9152a8e9 authored by Axel Kohlmeyer's avatar Axel Kohlmeyer
Browse files

avoid division by zero in imaging code

parent 2fd654f4

src/image.cpp

+1 −1
Original line number Diff line number Diff line
@@ -651,7 +651,7 @@ void Image::draw_cylinder(double *x, double *y, 
      double c = surface[0] * surface[0] + surface[1] * surface[1] - radsq;



      double partial = b*b - 4*a*c;

      if (partial < 0) continue;

      if ((partial < 0.0) || (a == 0.0)) continue;

      partial = sqrt (partial);



      double t = (-b + partial) / (2*a);

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