fix many sweeps support

src/jobinfo.cpp

@@ -95,7 +95,7 @@ std::vector<std::filesystem::path> jobinfo::list_run_files(const std::string &ta
 	return results;
 }
 
-int jobinfo::read_dump_progress(int task_id) const {
+size_t jobinfo::read_dump_progress(int task_id) const {
 	size_t sweeps = 0;
 	try {
 		for(auto &dump_name : list_run_files(taskdir(task_id), "dump\\.h5")) {

src/jobinfo.h

@@ -32,7 +32,7 @@ public:
 
 	static std::vector<std::filesystem::path> list_run_files(const std::string &taskdir,
 	                                                         const std::string &file_ending);
-	int read_dump_progress(int task_id) const;
+	size_t read_dump_progress(int task_id) const;
 	void merge_task(int task_id);
 	void concatenate_results();
 	void log(const std::string &message);

src/runner_single.cpp

@@ -78,7 +78,7 @@ void runner_single::read() {
 	for(size_t i = 0; i < job_.task_names.size(); i++) {
 		auto task = job_.jobfile["tasks"][job_.task_names[i]];
 
-		size_t target_sweeps = task.get<int>("sweeps");
+		size_t target_sweeps = task.get<size_t>("sweeps");
 		size_t sweeps = 0;
 
 		sweeps = job_.read_dump_progress(i);