Begin b_list excel

src/main/HyperParameters.cc

@@ -0,0 +1,56 @@
+#include "HyperParameters.h"
+#include <fstream>
+#include <sstream>
+#include <iostream>
+
+namespace platform {
+    HyperParameters::HyperParameters(const std::vector<std::string>& datasets, const json& hyperparameters_)
+    {
+        // Initialize all datasets with the given hyperparameters
+        for (const auto& item : datasets) {
+            hyperparameters[item] = hyperparameters_;
+        }
+    }
+    // https://www.techiedelight.com/implode-a-vector-of-strings-into-a-comma-separated-string-in-cpp/
+    std::string join(std::vector<std::string> const& strings, std::string delim)
+    {
+        std::stringstream ss;
+        std::copy(strings.begin(), strings.end(),
+            std::ostream_iterator<std::string>(ss, delim.c_str()));
+        return ss.str();
+    }
+    HyperParameters::HyperParameters(const std::vector<std::string>& datasets, const std::string& hyperparameters_file)
+    {
+        // Check if file exists
+        std::ifstream file(hyperparameters_file);
+        if (!file.is_open()) {
+            throw std::runtime_error("File " + hyperparameters_file + " not found");
+        }
+        // Check if file is a json
+        json file_hyperparameters = json::parse(file);
+        auto input_hyperparameters = file_hyperparameters["results"];
+        // Check if hyperparameters are valid
+        for (const auto& dataset : datasets) {
+            if (!input_hyperparameters.contains(dataset)) {
+                std::cerr << "*Warning: Dataset " << dataset << " not found in hyperparameters file" << " assuming default hyperparameters" << std::endl;
+                hyperparameters[dataset] = json({});
+                continue;
+            }
+            hyperparameters[dataset] = input_hyperparameters[dataset]["hyperparameters"].get<json>();
+        }
+    }
+    void HyperParameters::check(const std::vector<std::string>& valid, const std::string& fileName)
+    {
+        json result = hyperparameters.at(fileName);
+        for (const auto& item : result.items()) {
+            if (find(valid.begin(), valid.end(), item.key()) == valid.end()) {
+                throw std::invalid_argument("Hyperparameter " + item.key() + " is not valid. Passed Hyperparameters are: "
+                    + result.dump(4) + "\n Valid hyperparameters are: {" + join(valid, ",") + "}");
+            }
+        }
+    }
+    json HyperParameters::get(const std::string& fileName)
+    {
+        return hyperparameters.at(fileName);
+    }
+} /* namespace platform */