added comments to main.cpp

Elliptic-integrals/bin/main.cpp

@@ -81,6 +81,12 @@ void PrintEF(int index)
   std::cout << "------------------------------------------------------------------------------------------" << std::endl;
 }
 
+/**
+ * Purpose: A table for comparison with Irene A. Stegun, Milton Abramowitz, "Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables", page 613-618
+ * 
+ * @return A table for comparison
+ */
+
 int main()
 {
   std::cout << "------------------------------------------------------------------------------------------" << std::endl;