JAL-98 round when formatting dec places

[jalview.git] / src / jalview / util / Format.java

diff --git a/src/jalview/util/Format.java b/src/jalview/util/Format.java
index 7121985..20d228d 100755 (executable)
--- a/src/jalview/util/Format.java
+++ b/src/jalview/util/Format.java
@@ -959,7 +959,27 @@ public class Format
    */
   public static void appendPercentage(StringBuilder sb, float value, int dp)
   {
-    sb.append((int) value);
+    /*
+     * rounding first
+     */
+    double d = value;
+    long factor = 1L;
+    for (int i = 0; i < dp; i++)
+    {
+      factor *= 10;
+    }
+    d *= factor;
+    d += 0.5;
+
+    /*
+     * integer part
+     */
+    value = (float) (d / factor);
+    sb.append((long) value);
+
+    /*
+     * decimal places
+     */
     if (dp > 0)
     {
       sb.append(".");