Merge pull request #11984 from mshabunin:fix-static-1

modules/objdetect/src/haar.cpp

@@ -599,7 +599,7 @@ cvSetImagesForHaarClassifierCascade( CvHaarClassifierCascade* _cascade,
                     else
                         sum0 += hidfeature->rect[k].weight * tr.width * tr.height;
                 }
-
+                CV_Assert(area0 > 0);
                 hidfeature->rect[0].weight = (float)(-sum0/area0);
             } /* l */
         } /* j */

modules/objdetect/src/qrcode.cpp

@@ -111,6 +111,7 @@ vector<Vec3d> QRDecode::searchVerticalLines()
 
                 for (size_t i = 0; i < test_lines.size(); i++) { length += test_lines[i]; }
 
+                CV_Assert(length > 0);
                 for (size_t i = 0; i < test_lines.size(); i++)
                 {
                     if (i == 2) { weight += fabs((test_lines[i] / length) - 3.0/7.0); }
@@ -182,6 +183,7 @@ vector<Point2f> QRDecode::separateHorizontalLines(vector<Vec3d> list_lines)
 
             for (size_t i = 0; i < test_lines.size(); i++) { length += test_lines[i]; }
 
+            CV_Assert(length > 0);
             for (size_t i = 0; i < test_lines.size(); i++)
             {
                 if (i % 3 == 0) { weight += fabs((test_lines[i] / length) - 3.0/14.0); }