src/share/classes/java/math/MathContext.java

@@ -124,23 +124,10 @@
      * @see RoundingMode
      * @serial
      */
     final RoundingMode roundingMode;
 
-    /**
-     *  Lookaside for the rounding points (the numbers which determine
-     *  whether the coefficient of a number will require rounding).
-     *  These will be present if {@code precision > 0} and
-     *  {@code precision <= MAX_LOOKASIDE}.  In this case they will share the
-     *  {@code BigInteger int[]} array.  Note that the transients
-     *  cannot be {@code final} because they are reconstructed on
-     *  deserialization.
-     */
-    transient BigInteger roundingMax = null;
-    transient BigInteger roundingMin = null;
-    private static final int MAX_LOOKASIDE = 1000;
-
     /* ----- Constructors ----- */
 
     /**
      * Constructs a new {@code MathContext} with the specified
      * precision and the {@link RoundingMode#HALF_UP HALF_UP} rounding

@@ -171,15 +158,10 @@
             throw new IllegalArgumentException("Digits < 0");
         if (setRoundingMode == null)
             throw new NullPointerException("null RoundingMode");
 
         precision = setPrecision;
-        if (precision > 0 && precision <= MAX_LOOKASIDE) {
-            roundingMax = BigInteger.TEN.pow(precision);
-            roundingMin = roundingMax.negate();
-        }
-
         roundingMode = setRoundingMode;
         return;
     }
 
     /**

@@ -219,15 +201,11 @@
 
         if (setPrecision < MIN_DIGITS)
             throw new IllegalArgumentException("Digits < 0");
         // the other parameters cannot be invalid if we got here
         precision = setPrecision;
-        if (precision > 0 && precision <= MAX_LOOKASIDE) {
-            roundingMax = BigInteger.TEN.pow(precision);
-            roundingMin = roundingMax.negate();
         }
-    }
 
     /**
      * Returns the {@code precision} setting.
      * This value is always non-negative.
      *

@@ -341,13 +319,8 @@
         }
         if (roundingMode == null) {
             String message = "MathContext: null roundingMode in stream";
             throw new java.io.StreamCorruptedException(message);
         }
-        // Set the lookaside, if applicable
-        if (precision <= MAX_LOOKASIDE) {
-            roundingMax = BigInteger.TEN.pow(precision);
-            roundingMin = roundingMax.negate();
         }
-    }
 
 }