CMake modification strategy as it was quite painful to maintain all these utilities

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/persistence_representation_integration_cmake_improvement@3062 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: c0eae764abe5c7076ae59027eeab2a7ad451463c

1 files changed, 7 insertions, 9 deletions

diff --git a/src/Persistence_representations/utilities/persistence_landscapes_on_grid/average_landscapes_on_grid.cpp b/src/Persistence_representations/utilities/persistence_landscapes_on_grid/average_landscapes_on_grid.cpp
index d50118a0..0b098d1a 100644
--- a/src/Persistence_representations/utilities/persistence_landscapes_on_grid/average_landscapes_on_grid.cpp
+++ b/src/Persistence_representations/utilities/persistence_landscapes_on_grid/average_landscapes_on_grid.cpp
@@ -28,21 +28,20 @@
 using Persistence_landscape_on_grid = Gudhi::Persistence_representations::Persistence_landscape_on_grid;
 
 int main(int argc, char** argv) {
-  std::cout << "This program computes average persistence landscape on grid of persistence landscapes on grid created "
-               "based on persistence diagrams provided as an input. Please call this program with the names of files "
-               "with persistence diagrams \n";
-  std::vector<const char*> filenames;
+  std::cout << "This program computes average of persistence landscapes on grid stored in files (the files needs to "
+            << "be created beforehand).\n"
+            << "The parameters of this programs are names of files with persistence landscapes on grid.\n";
 
-  if (argc == 1) {
-    std::cout << "No input files given, the program will now terminate \n";
+  if (argc < 3) {
+    std::cout << "Wrong number of parameters, the program will now terminate \n";
     return 1;
   }
 
+  std::vector<const char*> filenames;
   for (int i = 1; i < argc; ++i) {
     filenames.push_back(argv[i]);
   }
 
-  std::cout << "Creating persistence landscapes...\n";
   std::vector<Persistence_landscape_on_grid*> lands;
   for (size_t i = 0; i != filenames.size(); ++i) {
     Persistence_landscape_on_grid* l = new Persistence_landscape_on_grid;
@@ -59,7 +58,6 @@ int main(int argc, char** argv) {
     delete lands[i];
   }
 
-  std::cout << "Done \n";
-
+  std::cout << "Average can be found in 'average.g_land' file\n";
   return 0;
 }