From 615f2efaa5fc09710a785586f494c36a8ed043cb Mon Sep 17 00:00:00 2001
From: Simone Balducci <simone.balducci00@gmail.com>
Date: Fri, 7 Feb 2025 10:20:28 +0100
Subject: [PATCH] Add unique `read_csv` in utility

---
 benchmark/profiling/read_csv.hpp              | 46 -------------------
 .../CLUEstering/utility}/read_csv.hpp         | 11 +----
 2 files changed, 2 insertions(+), 55 deletions(-)
 delete mode 100644 benchmark/profiling/read_csv.hpp
 rename {benchmark/dataset_size => include/CLUEstering/utility}/read_csv.hpp (85%)

diff --git a/benchmark/profiling/read_csv.hpp b/benchmark/profiling/read_csv.hpp
deleted file mode 100644
index e2a28dbb..00000000
--- a/benchmark/profiling/read_csv.hpp
+++ /dev/null
@@ -1,46 +0,0 @@
-
-#ifndef read_csv_hpp
-#define read_csv_hpp
-
-#include <fstream>
-#include <sstream>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "CLUEstering/DataFormats/alpaka/AlpakaVecArray.hpp"
-
-using clue::VecArray;
-
-template <typename T, size_t NDim>
-std::vector<T> read_csv(const std::string& file_path) {
-  std::fstream file(file_path);
-  if (!file.is_open()) {
-    throw std::runtime_error("Could not open file: " + file_path);
-  }
-  auto n_points = std::count(
-      std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), '\n');
-
-  std::vector<float> coords((NDim + 1) * n_points);
-
-  // discard the header
-  std::string buffer;
-  getline(file, buffer);
-  auto point_id = 0;
-  while (getline(file, buffer)) {
-    std::stringstream buffer_stream(buffer);
-    std::string value;
-
-    for (size_t dim = 0; dim <= NDim; ++dim) {
-      getline(buffer_stream, value, ',');
-      coords[point_id + dim * n_points] = static_cast<T>(std::stod(value));
-    }
-    ++point_id;
-  }
-
-  file.close();
-
-  return coords;
-}
-
-#endif
diff --git a/benchmark/dataset_size/read_csv.hpp b/include/CLUEstering/utility/read_csv.hpp
similarity index 85%
rename from benchmark/dataset_size/read_csv.hpp
rename to include/CLUEstering/utility/read_csv.hpp
index e2a28dbb..89fb8870 100644
--- a/benchmark/dataset_size/read_csv.hpp
+++ b/include/CLUEstering/utility/read_csv.hpp
@@ -1,17 +1,11 @@
 
-#ifndef read_csv_hpp
-#define read_csv_hpp
+#pragma once
 
 #include <fstream>
 #include <sstream>
 #include <string>
-#include <utility>
 #include <vector>
 
-#include "CLUEstering/DataFormats/alpaka/AlpakaVecArray.hpp"
-
-using clue::VecArray;
-
 template <typename T, size_t NDim>
 std::vector<T> read_csv(const std::string& file_path) {
   std::fstream file(file_path);
@@ -20,9 +14,9 @@ std::vector<T> read_csv(const std::string& file_path) {
   }
   auto n_points = std::count(
       std::istreambuf_iterator<char>(file), std::istreambuf_iterator<char>(), '\n');
-
   std::vector<float> coords((NDim + 1) * n_points);
 
+  file = std::fstream(file_path);
   // discard the header
   std::string buffer;
   getline(file, buffer);
@@ -43,4 +37,3 @@ std::vector<T> read_csv(const std::string& file_path) {
   return coords;
 }
 
-#endif