From 8296ba7efdeba0c5edb312d24ba4211425dae674 Mon Sep 17 00:00:00 2001
From: Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
Date: Wed, 20 Jan 2021 08:51:36 +0100
Subject: [PATCH] Remove cmp file for theta_io example in Cone_spanners_2
 package.

---
 .../examples/Cone_spanners_2/theta_io.cmd     |  1 -
 .../examples/Cone_spanners_2/theta_io.cpp     | 27 +++++++++++++------
 2 files changed, 19 insertions(+), 9 deletions(-)
 delete mode 100644 Cone_spanners_2/examples/Cone_spanners_2/theta_io.cmd

diff --git a/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cmd b/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cmd
deleted file mode 100644
index ddce4442855..00000000000
--- a/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cmd
+++ /dev/null
@@ -1 +0,0 @@
-4 data/n9.cin
diff --git a/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cpp b/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cpp
index f070784e005..4096cf1c71f 100644
--- a/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cpp
+++ b/Cone_spanners_2/examples/Cone_spanners_2/theta_io.cpp
@@ -26,26 +26,37 @@ typedef boost::adjacency_list<boost::listS,
 
 int main(int argc, char ** argv)
 {
-  if (argc < 3) {
+  unsigned int k=4; // By default, no. of cones==4
+  std::string filename="data/n9.cin"; // file used by default
+
+  if (argc > 1 &&
+      (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help") || !strcmp(argv[1],"-?")))
+  {
     std::cout << "Usage: " << argv[0] << " <no. of cones> <input filename> [<direction-x> <direction-y>]" << std::endl;
     return 1;
   }
 
-  unsigned int k = atoi(argv[1]);
-  if (k<2) {
-    std::cout << "The number of cones should be larger than 1!" << std::endl;
-    return 1;
+  if (argc > 1)
+  {
+    k = atoi(argv[1]);
+    if (k<2) {
+      std::cout << "The number of cones should be larger than 1!" << std::endl;
+      return 1;
+    }
   }
 
+  if (argc > 2)
+  { filename=std::string(argv[2]); }
+
   // open the file containing the vertex list
-  std::ifstream inf(argv[2]);
+  std::ifstream inf(filename);
   if (!inf) {
-    std::cout << "Cannot open file " << argv[2] << "!" << std::endl;
+    std::cout << "Cannot open file " << filename << "!" << std::endl;
     return 1;
   }
 
   Direction_2 initial_direction;
-  if (argc == 3)
+  if (argc == 1 || argc == 3)
     initial_direction = Direction_2(1, 0);  // default initial_direction
   else if (argc == 5)
     initial_direction = Direction_2(atof(argv[3]), atof(argv[4]));