0025810: Exception in extrema operation.

[occt.git] / src / Extrema / Extrema_ExtElCS.cxx

diff --git a/src/Extrema/Extrema_ExtElCS.cxx b/src/Extrema/Extrema_ExtElCS.cxx
index 6eaac11..96384d0 100644 (file)
--- a/src/Extrema/Extrema_ExtElCS.cxx
+++ b/src/Extrema/Extrema_ExtElCS.cxx
@@ -361,9 +361,9 @@ void Extrema_ExtElCS::Perform(const gp_Circ& C,
       // Check whether two objects have intersection points
       IntAna_Quadric aCylQuad(S);
       IntAna_IntConicQuad aCircCylInter(C, aCylQuad);
-      Standard_Integer aNbInter = aCircCylInter.NbPoints();
-      if (!aCircCylInter.IsDone())
-        aNbInter = 0;
+      Standard_Integer aNbInter = 0;
+      if (aCircCylInter.IsDone())
+        aNbInter = aCircCylInter.NbPoints();
 
       // Compute the extremas.
       myNbExt  =     2*aNbExt + aNbInter;