From ee915116c3174fde2645d9546efb002b5eca1b2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?JulienD=C3=B6rner?= <julien.doerner@rub.de>
Date: Thu, 5 Sep 2024 11:51:36 +0200
Subject: [PATCH] add dumping of index list

---
 include/crpropa/module/TextOutput.h |  2 ++
 src/module/TextOutput.cpp           | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/include/crpropa/module/TextOutput.h b/include/crpropa/module/TextOutput.h
index 817fc1c0f..0c21caf43 100644
--- a/include/crpropa/module/TextOutput.h
+++ b/include/crpropa/module/TextOutput.h
@@ -71,6 +71,8 @@ class TextOutput: public Output {
 	 */
 	static void load(const std::string &filename, ParticleCollector *collector);
 	std::string getDescription() const;
+
+	void dumpIndexList(std::vector<int> indicies);
 };
 /** @}*/
 
diff --git a/src/module/TextOutput.cpp b/src/module/TextOutput.cpp
index e979c85dc..2dda875da 100644
--- a/src/module/TextOutput.cpp
+++ b/src/module/TextOutput.cpp
@@ -7,6 +7,7 @@
 
 #include "kiss/string.h"
 
+#include <sstream>
 #include <cstdio>
 #include <stdexcept>
 #include <iostream>
@@ -378,4 +379,17 @@ void TextOutput::gzip() {
 #endif
 }
 
+void TextOutput::dumpIndexList(std::vector<int> indices) {
+#pragma omp critical(FileOutput)
+	{
+		std::stringstream ss;
+		ss << "#" << "\t";
+		for (int i = 0; i < indices.size(); i++)
+			ss << indices[i] << "\t";
+
+		const std::string cstr = ss.str();
+		out-> write(cstr.c_str(), cstr.length());
+	}
+}
+
 } // namespace crpropa