--- a/artifacts/src/main/java/org/dive4elements/river/utils/Formatter.java	Tue Aug 07 12:43:53 2018 +0200
+++ b/artifacts/src/main/java/org/dive4elements/river/utils/Formatter.java	Tue Aug 07 14:06:49 2018 +0200
@@ -385,6 +385,10 @@
         return Formatter.getFormatter(context, FLOWDEPTH_MAX_DIGITS, FLOWDEPTH_MAX_DIGITS);
     }
 
+    /**
+     * Decimal half even rounding of a flow depth value
+     * (throws an exception for NaN or Infinity)
+     */
     public static BigDecimal roundFlowDepth(final double value) {
         return BigDecimal.valueOf(value).setScale(FLOWDEPTH_MAX_DIGITS, RoundingMode.HALF_EVEN);
     }
@@ -393,6 +397,10 @@
         return Formatter.getFormatter(context, 2, 2);
     }
 
+    /**
+     * Decimal half even rounding of a W value
+     * (throws an exception for NaN or Infinity)
+     */
     public static BigDecimal roundW(final double value) {
         return BigDecimal.valueOf(value).setScale(WATERLEVEL_W_MAX_DIGITS, RoundingMode.HALF_EVEN);
     }