added missing serialVersionUID

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/branches/MATH_2_0@705231 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/math/estimation/WeightedMeasurement.java

@@ -51,7 +51,10 @@ import java.io.Serializable;
 
 public abstract class WeightedMeasurement implements Serializable {
 
-  /** 
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = 4360046376796901941L;
+
+    /** 
    * Simple constructor.
    * Build a measurement with the given parameters, and set its ignore
    * flag to false.

src/java/org/apache/commons/math/ode/AbstractIntegrator.java

@@ -33,6 +33,9 @@ import org.apache.commons.math.ode.sampling.StepHandler;
  */
 public abstract class AbstractIntegrator implements FirstOrderIntegrator {
 
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = 5771479854166853494L;
+
     /** Name of the method. */
     private final String name;
 

src/java/org/apache/commons/math/ode/nonstiff/AdaptiveStepsizeIntegrator.java

@@ -54,6 +54,9 @@ import org.apache.commons.math.ode.IntegratorException;
 public abstract class AdaptiveStepsizeIntegrator
   extends AbstractIntegrator {
 
+  /** Serializable version identifier. */
+  private static final long serialVersionUID = -6883579828273958419L;
+
   /** Build an integrator with the given stepsize bounds.
    * The default step handler does nothing.
    * @param name name of the method

src/java/org/apache/commons/math/ode/nonstiff/EmbeddedRungeKuttaIntegrator.java

@@ -65,6 +65,9 @@ import org.apache.commons.math.ode.sampling.StepHandler;
 public abstract class EmbeddedRungeKuttaIntegrator
   extends AdaptiveStepsizeIntegrator {
 
+  /** Serializable version identifier. */
+  private static final long serialVersionUID = -8436701741819010959L;
+
   /** Build a Runge-Kutta integrator with the given Butcher array.
    * @param name name of the method
    * @param fsal indicate that the method is an <i>fsal</i>

src/java/org/apache/commons/math/ode/nonstiff/MultistepIntegrator.java

@@ -46,6 +46,9 @@ import org.apache.commons.math.ode.sampling.StepNormalizer;
  */
 public abstract class MultistepIntegrator extends AbstractIntegrator {
 
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = -1705864253238417163L;
+
     /** Starter integrator. */
     private FirstOrderIntegrator starter;
 

src/java/org/apache/commons/math/ode/nonstiff/RungeKuttaIntegrator.java

@@ -54,6 +54,9 @@ import org.apache.commons.math.ode.sampling.StepHandler;
 
 public abstract class RungeKuttaIntegrator extends AbstractIntegrator {
 
+  /** Serializable version identifier. */
+  private static final long serialVersionUID = -5346558921715095559L;
+
   /** Simple constructor.
    * Build a Runge-Kutta integrator with the given
    * step. The default step handler does nothing.

src/java/org/apache/commons/math/random/AbstractRandomGenerator.java

@@ -32,6 +32,9 @@ package org.apache.commons.math.random;
  */
 public abstract class AbstractRandomGenerator implements RandomGenerator {
     
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = 7026539017027693474L;
+
     /** 
      * Cached random normal value.  The default implementation for 
      * {@link #nextGaussian} generates pairs of values and this field caches the

src/java/org/apache/commons/math/util/CompositeFormat.java

@@ -30,6 +30,9 @@ import java.util.Locale;
  */
 public abstract class CompositeFormat extends Format {
 
+    /** Serializable version identifier. */
+    private static final long serialVersionUID = 5358685519349262494L;
+
     /**
      * Create a default number format.  The default number format is based on
      * {@link NumberFormat#getInstance()} with the only customizing that the

src/test/org/apache/commons/math/ode/nonstiff/TestProblemAbstract.java

@@ -27,6 +27,9 @@ import org.apache.commons.math.ode.events.EventHandler;
 public abstract class TestProblemAbstract
   implements FirstOrderDifferentialEquations, Cloneable {
 
+  /** Serializable version identifier. */
+  private static final long serialVersionUID = -8521928974502839379L;
+
   /** Dimension of the problem. */
   protected int n;