Fix formatting for floating-point values in ConfigWriter

fixes #10256

diff --git a/lib/config/configwriter.cpp b/lib/config/configwriter.cpp
index 26dfe822a67694360b2a732bae613e408aa57eea..91af9a6c1cf0da0c2c41a55ec80f7118abc342e3 100644 (file)
--- a/lib/config/configwriter.cpp
+++ b/lib/config/configwriter.cpp
@@ -37,7 +37,7 @@ void ConfigWriter::EmitBoolean(std::ostream& fp, bool val)
 
 void ConfigWriter::EmitNumber(std::ostream& fp, double val)
 {
-       fp << val;
+       fp << std::fixed << val;
 }
 
 void ConfigWriter::EmitString(std::ostream& fp, const String& val)