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Minkowski_sum_2/test/Minkowski_sum_2/test_Minkowski_sum.cpp

@@ -46,7 +46,10 @@ bool are_equal (const Polygon_with_holes_2& ph1,
 /*! The main program. */
 int main (int argc, char **argv)
 {
-  // Read the input file.
+  // Read the input file. Because of the structure of the *.cmd file 
+  // (which is concatenated to the command line) we need to get all the
+  // inputs in one command line. This is the reason we read triplets/pairs of
+  // arguments. Each triplet/double is one input for the program.
   if (argc < 3)
   {
     std::cerr << "Usage: " << argv[0] << ". The input are triplets of:"

Minkowski_sum_2/test/Minkowski_sum_2/test_approx_offset.cpp

@@ -50,7 +50,10 @@ bool are_equal (const Offset_polygon_with_holes_2& ph1,
 /*! The main program. */
 int main (int argc, char **argv)
 {
-  // Read the input file.
+  // Read the input file. Because of the structure of the *.cmd file 
+  // (which is concatenated to the command line) we need to get all the
+  // inputs in one command line. This is the reason we read triplets/pairs of
+  // arguments. Each triplet/double is one input for the program.
   if (argc < 3)
   {
     std::cerr << "Usage (input is triplets of): <polygon> <radius> "

Minkowski_sum_2/test/Minkowski_sum_2/test_exact_offset.cpp

@@ -60,7 +60,10 @@ bool are_equal (const Offset_polygon_with_holes_2& ph1,
 /*! The main program. */
 int main (int argc, char **argv)
 {
-  // Read the input file.
+  // Read the input file. Because of the structure of the *.cmd file 
+  // (which is concatenated to the command line) we need to get all the
+  // inputs in one command line. This is the reason we read triplets/pairs of
+  // arguments. Each triplet/double is one input for the program.
   if (argc < 3)
   {
     std::cerr << "Usage (input is triplets of): <polygon> <radius> "