ENH: Added index check to CSVReader.

src/CSVReader/CSVReader.cpp

@@ -79,13 +79,18 @@ namespace lib4neuro {
             //TODO check empty values in data
             std::vector<double> input;
             for(auto ind : *input_col_indices) {
-                /* Check, if the string is a number */
-                if(!std::regex_match( line.at(ind), std::regex( ( "((\\+|-)?[[:digit:]]+)(\\.(([[:digit:]]+)?))?" ) ))) {
-                    THROW_RUNTIME_ERROR(std::string("Value \"") + line.at(ind) + "\" is not numerical and so it cannot be used in Data Set!");
-                }
+                try {
+                    /* Check, if the string is a number */
+                    if(!std::regex_match( line.at(ind), std::regex( ( "((\\+|-)?[[:digit:]]+)(\\.(([[:digit:]]+)?))?" ) ))) {
+                        THROW_RUNTIME_ERROR(std::string("Value \"") + line.at(ind) + "\" is not numerical and so it cannot be used in Data Set!");
+                    }
+
+                    /* Add loaded number to the vector of inputs */
+                    input.push_back(std::stod(line.at(ind)));
 
-                /* Add loaded number to the vector of inputs */
-                input.push_back(std::stod(line.at(ind)));
+                } catch(const std::out_of_range& e) {
+                    THROW_OUT_OF_RANGE_ERROR("Non-existing index specified (" + std::to_string(ind) + ")!");
+                }
             }
 
             std::vector<double> output;