Changed the signature of the minEnclosingTriangle function such that it returns the area automatically. Moreover, the overloaded function was no longer required so it was removed. Sample code, documentation and unit tests were updated correspondingly.

modules/imgproc/test/test_convhull.cpp

@@ -801,7 +801,6 @@ protected:
 
     std::vector<cv::Point2f> convexPolygon;
     std::vector<cv::Point2f> triangle;
-    double area;
 };
 
 
@@ -827,7 +826,7 @@ void CV_MinTriangleTest::run_func()
 
     cv::cvarrToMat(points).convertTo(pointsAsVector, CV_32F);
 
-    cv::minEnclosingTriangle(pointsAsVector, triangle, area);
+    cv::minEnclosingTriangle(pointsAsVector, triangle);
     cv::convexHull(pointsAsVector, convexPolygon, true, true);
 }