Index: gnu/java/text/StringFormatBuffer.java
===================================================================
RCS file: /cvsroot/classpath/classpath/gnu/java/text/StringFormatBuffer.java,v
retrieving revision 1.2
diff -u -3 -p -u -r1.2 StringFormatBuffer.java
--- gnu/java/text/StringFormatBuffer.java	2 Jul 2005 20:32:15 -0000	1.2
+++ gnu/java/text/StringFormatBuffer.java	7 May 2006 19:29:43 -0000
@@ -118,4 +118,10 @@ public class StringFormatBuffer implemen
   {
     return buffer;
   }
+
+  public String toString()
+  {
+    return buffer.toString();
+  }
+
 }
Index: java/text/DecimalFormat.java
===================================================================
RCS file: /cvsroot/classpath/classpath/java/text/DecimalFormat.java,v
retrieving revision 1.25
diff -u -3 -p -u -r1.25 DecimalFormat.java
--- java/text/DecimalFormat.java	7 Dec 2005 15:12:21 -0000	1.25
+++ java/text/DecimalFormat.java	7 May 2006 19:29:44 -0000
@@ -542,9 +542,9 @@ public class DecimalFormat extends Numbe
 	// Compute exponent.
 	long exponent = 0;
 	double baseNumber;
-	if (useExponentialNotation)
+	if (useExponentialNotation && number > 0)
 	  {
-	    exponent = (long) Math.floor (Math.log(number) / Math.log(10));
+	    exponent = (long) Math.floor (Math.log10(number));
 	    exponent = exponent - (exponent % exponentRound);
 	    if (minimumIntegerDigits > 0)
 	      exponent -= minimumIntegerDigits - 1;
@@ -654,7 +654,7 @@ public class DecimalFormat extends Numbe
 	    index = dest.length();
 	    dest.setDefaultAttribute(NumberFormat.Field.EXPONENT);
 	    String exponentString = Long.toString ((long) exponent);
-	    
+
 	    for (count = 0; count < minExponentDigits-exponentString.length();
 		 count++)
 	      dest.append((char) symbols.getZeroDigit());