1 files changed, 40 insertions, 0 deletions
diff --git a/impl/EquationSystem.h b/impl/EquationSystem.h
new file mode 100644
index 0000000..9a393c8
--- /dev/null
+++ b/impl/EquationSystem.h
@@ -0,0 +1,40 @@
+#ifndef EQUATIONSYSTEM_H
+#define EQUATIONSYSTEM_H
+
+#include "Equation.h"
+#include <list>
+
+template<class T>
+struct EquationSystem {
+  bool add(Equation<T> e) {
+    for (iterator it = equations.begin();
+         it != equations.end();
+         ++it) {
+      if ((*it).var().name() == e.var().name()) {
+        return false;
+      }
+    }
+    this->equations.push_back(e);
+    return true;
+  }
+
+  std::map<std::string, T> solve(std::map<std::string, T> start) {
+    std::map<std::string, T> result = start;
+    std::map<std::string, T> comparison;
+    do {
+      comparison = result;
+      for (iterator it = equations.begin();
+           it != equations.end();
+           ++it) {
+        result = it->solve(result);
+      }
+    } while (comparison != result);
+    return result;
+  }
+
+  private:
+  typedef typename std::list< Equation<T> >::iterator iterator;
+  std::list< Equation<T> > equations;
+};
+
+#endif