Index: ASTUnaryMinusNode.java
===================================================================
RCS file: /home/cvspublic/jakarta-commons/jexl/src/java/org/apache/commons/jexl/parser/ASTUnaryMinusNode.java,v
retrieving revision 1.3
diff -u -r1.3 ASTUnaryMinusNode.java
--- ASTUnaryMinusNode.java	28 Feb 2004 13:45:20 -0000	1.3
+++ ASTUnaryMinusNode.java	29 Sep 2005 08:10:25 -0000
@@ -51,6 +51,14 @@
         {
             return new Integer(- ( ((Integer) val).intValue() ) );
         }
+        else if (val instanceof Float)
+        {
+            return new Float(- ( ((Float) val).floatValue() ) );
+        }
+        else if (val instanceof Double)
+        {
+            return new Double(- ( ((Double) val).doubleValue() ) );
+        }
         else
         {
             throw new Exception("expression not integer valued");