removed exit errors in favor of throws

1 files changed, 9 insertions, 1 deletions

diff --git a/src/analysis_tools.cpp b/src/analysis_tools.cpp
index 778e713..bc8095e 100644
--- a/src/analysis_tools.cpp
+++ b/src/analysis_tools.cpp
@@ -1,6 +1,14 @@
 
 #include "analysis_tools.hpp"
 
+class badcycleException: public std::exception
+{
+  virtual const char* what() const throw()
+  {
+    return "Could not find a valid cycle on the broken system.";
+  }
+} badcycleex;
+
 template <class T>
 bool is_shorter(const std::list<T> &l1, const std::list<T> &l2) {
   return l1.size() < l2.size();
@@ -118,6 +126,6 @@ std::list<unsigned> find_minimal_crack(const Graph& G, const network& n) {
     return cycles.front();
   }
 
-  exit(5);
+  throw badcycleex;
 }