Store truncated representation of doubles when used as variables

lib/utils/utility.cpp

@@ -7,6 +7,7 @@
 #include <QDateTime>
 #include <QFile>
 #include <QStandardPaths>
+#include <sstream>
 
 namespace advss {
 
@@ -77,6 +78,13 @@ bool CompareIgnoringLineEnding(QString &s1, QString &s2)
 	return true;
 }
 
+std::string ToString(double value)
+{
+	std::stringstream stream;
+	stream << value;
+	return stream.str();
+}
+
 std::string GetDataFilePath(const std::string &file)
 {
 	std::string root_path = obs_get_module_data_path(obs_current_module());