X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosFrequency.java;h=9542fe333858cdac0cbe715db08b1b4001cc41ed;hp=183d45511abd630e7b8e1f1e4f91bfe430df8175;hb=ec20e2f72460010c4f59e6d59775671260e01026;hpb=21d176f161b90f18f236ef887cef9676d712eee3

diff --git a/altoslib/AltosFrequency.java b/altoslib/AltosFrequency.java
index 183d4551..9542fe33 100644
--- a/altoslib/AltosFrequency.java
+++ b/altoslib/AltosFrequency.java
@@ -17,7 +17,11 @@
 
 package org.altusmetrum.altoslib_10;
 
-public class AltosFrequency {
+import java.io.*;
+import java.util.*;
+import java.text.*;
+
+public class AltosFrequency implements Serializable {
 	public double	frequency;
 	public String	description;
 
@@ -44,6 +48,10 @@ public class AltosFrequency {
 				     frequency, description);
 	}
 
+	public String frequency_string() {
+		return String.format("%7.3f", frequency);
+	}
+
 	public boolean close(double f) {
 		double	diff = Math.abs(frequency - f);