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Error Handdling of Files

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unknown
2020-08-20 01:44:08 +05:30
parent 416a3bc169
commit 6ba133519b
1 changed files with 15 additions and 0 deletions
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15
machine_learning/neural_network.cpp
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@@ -390,6 +390,11 @@ namespace machine_learning {
const int &slip_lines = 1) {
std::ifstream in_file; // Ifstream to read file
in_file.open(file_name.c_str(), std::ios::in); // Open file
// If there is any problem in opening file
if(!in_file.is_open()) {
std::cerr << "ERROR: Unable to open file: "<< file_name << std::endl;
exit(EXIT_FAILURE);
}
std::vector <std::vector<std::valarray<double>>> X, Y; // To store X and Y
std::string line; // To store each line
// Skip lines
@@ -645,6 +650,11 @@ namespace machine_learning {
std::ofstream out_file; // Ofstream to write in file
// Open file in out|trunc mode
out_file.open(file_name.c_str(), std::ofstream::out | std::ofstream::trunc);
// If there is any problem in opening file
if(!out_file.is_open()) {
std::cerr << "ERROR: Unable to open file: "<< file_name << std::endl;
exit(EXIT_FAILURE);
}
/**
Format in which model is saved:
@@ -711,6 +721,11 @@ namespace machine_learning {
NeuralNetwork load_model (const std::string &file_name) {
std::ifstream in_file; // Ifstream to read file
in_file.open(file_name.c_str()); // Openinig file
// If there is any problem in opening file
if(!in_file.is_open()) {
std::cerr << "ERROR: Unable to open file: "<< file_name << std::endl;
exit(EXIT_FAILURE);
}
std::vector <std::pair<int, std::string>> config; // To store config
std::vector <std::vector<std::valarray<double>>> kernals; // To store pretrained kernals
// Loading model from saved file format