parser.Values: use PrismUtils.formatDouble for double formatting

Fixes issue #1.


git-svn-id: https://www.prismmodelchecker.org/svn/prism/prism/trunk@11760 bbc10eb1-c90d-0410-af57-cb519fbb1720

prism/src/parser/Values.java

@@ -37,6 +37,7 @@ import parser.type.TypeDouble;
 import parser.type.TypeInt;
 import prism.ModelInfo;
 import prism.PrismLangException;
+import prism.PrismUtils;
 
 /**
  * Class to store a list of typed constant/variable values.
@@ -486,9 +487,7 @@ public class Values //implements Comparable
 		String s;
 		
 		if (o instanceof Double) {
-			NumberFormat nf = DecimalFormat.getInstance(Locale.UK);
-			nf.setMaximumFractionDigits(6);
-			s = nf.format(((Double)o).doubleValue());
+			s = PrismUtils.formatDouble((double)o);
 		} else {
 			s = o.toString();
 		}