update Java version

Author: peteroupc

src/main/java/com/upokecenter/numbers/RadixMath.java

@@ -1480,7 +1480,7 @@ public T Ln(T thisValue, EContext ctx) {
             EInteger cprec = EInteger.Max(bounds[1].ToEInteger(), ctx.getPrecision())
               .Add(bigError);
             // System.out.println("cprec prec " + (// ctx.getPrecision()) + " bounds " +
-            // (bounds[1].ToEInteger()));
+            //(bounds[1].ToEInteger()));
             ctxdiv = SetPrecisionIfLimited(ctx, cprec)
               .WithRounding(intermedRounding).WithBlankFlags();
             T oldThisValue = thisValue;
@@ -2278,7 +2278,16 @@ public T Power(T thisValue, T pow, EContext ctx) {
               return this.SignalInvalid(ctx);
             }
             signedMant = this.helper.GetMantissa(powInt).Abs();
-            return this.PowerIntegral(thisValue, signedMant, ctx);
+            // Use this line rather than commented line because in this case, where
+            // thisValue is 1 and power is a negative integer, the reciprocal of 1
+            // is used, which will have an exponent of 0, according to the
+            // General Decimal Arithmetic Specification
+            if (powSign < 0) {
+               return this.PowerIntegral(this.helper.ValueOf(1), signedMant,
+  ctx);
+            } else {
+               return this.PowerIntegral(thisValue, signedMant, ctx);
+            }
           }
         }
         // Very high values of pow and a very high exponent