docs

samples/c/one_way_sample.cpp

@@ -13,6 +13,13 @@
 #include "opencv2/imgproc/imgproc_c.h"
 
 #include <string>
+void help()
+{
+	printf("\nThis program demonstrates the one way interest point descriptor found in features2d.hpp\n"
+			"Correspondences are drawn\n");
+    printf("Format: \n./one_way_sample [path_to_samples] [image1] [image2]\n");
+    printf("For example: ./one_way_sample ../../../opencv/samples/c scene_l.bmp scene_r.bmp\n");
+}
 
 using namespace cv;
 
@@ -27,8 +34,7 @@ int main(int argc, char** argv)
 
     if (argc != 3 && argc != 4)
     {
-        printf("Format: \n./one_way_sample [path_to_samples] [image1] [image2]\n");
-        printf("For example: ./one_way_sample ../../../opencv/samples/c scene_l.bmp scene_r.bmp\n");
+    	help();
         return 0;
     }