Fix compilation problems with java 1.5: remove @Override tags for interfaces, fix problem with cast, remove unneeded type parameters in test methods. Additionally, added @Override tags for implemented abstract methods as suggested by eclipse, small typo fixes.

src/main/java/org/apache/commons/math3/analysis/interpolation/MicrosphereProjectionInterpolator.java

@@ -124,7 +124,6 @@ public class MicrosphereProjectionInterpolator
      * @throws DimensionMismatchException if the space dimension of the
      * given samples does not match the space dimension of the microsphere.
      */
-    @Override
     public MultivariateFunction interpolate(final double[][] xval,
                                             final double[] yval)
         throws DimensionMismatchException,
@@ -153,7 +152,6 @@ public class MicrosphereProjectionInterpolator
 
         return new MultivariateFunction() {
             /** {inheritDoc} */
-            @Override
             public double value(double[] point) {
                 return m.value(point,
                                xval,

src/main/java/org/apache/commons/math3/analysis/polynomials/PolynomialsUtils.java

@@ -108,7 +108,6 @@ public class PolynomialsUtils {
             /** Fixed recurrence coefficients. */
             private final BigFraction[] coeffs = { BigFraction.ZERO, BigFraction.TWO, BigFraction.ONE };
             /** {@inheritDoc} */
-            @Override
             public BigFraction[] generate(int k) {
                 return coeffs;
             }
@@ -134,7 +133,6 @@ public class PolynomialsUtils {
         return buildPolynomial(degree, HERMITE_COEFFICIENTS,
                 new RecurrenceCoefficientsGenerator() {
             /** {@inheritDoc} */
-            @Override
             public BigFraction[] generate(int k) {
                 return new BigFraction[] {
                         BigFraction.ZERO,
@@ -162,7 +160,6 @@ public class PolynomialsUtils {
         return buildPolynomial(degree, LAGUERRE_COEFFICIENTS,
                 new RecurrenceCoefficientsGenerator() {
             /** {@inheritDoc} */
-            @Override
             public BigFraction[] generate(int k) {
                 final int kP1 = k + 1;
                 return new BigFraction[] {
@@ -191,7 +188,6 @@ public class PolynomialsUtils {
         return buildPolynomial(degree, LEGENDRE_COEFFICIENTS,
                                new RecurrenceCoefficientsGenerator() {
             /** {@inheritDoc} */
-            @Override
             public BigFraction[] generate(int k) {
                 final int kP1 = k + 1;
                 return new BigFraction[] {
@@ -243,7 +239,6 @@ public class PolynomialsUtils {
         return buildPolynomial(degree, JACOBI_COEFFICIENTS.get(key),
                                new RecurrenceCoefficientsGenerator() {
             /** {@inheritDoc} */
-            @Override
             public BigFraction[] generate(int k) {
                 k++;
                 final int kvw      = k + v + w;

src/main/java/org/apache/commons/math3/dfp/BracketingNthOrderBrentSolverDFP.java

@@ -138,7 +138,6 @@ public class BracketingNthOrderBrentSolverDFP extends FieldBracketingNthOrderBre
         RealFieldUnivariateFunction<Dfp> fieldF = new RealFieldUnivariateFunction<Dfp>() {
 
             /** {@inheritDoc} */
-            @Override
             public Dfp value(final Dfp x) {
                 return f.value(x);
             }

src/main/java/org/apache/commons/math3/distribution/ZipfDistribution.java

@@ -137,6 +137,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
     }
 
     /** {@inheritDoc} */
+    @Override
     public double logProbability(int x) {
         if (x <= 0 || x > numberOfElements) {
             return Double.NEGATIVE_INFINITY;
@@ -277,6 +278,7 @@ public class ZipfDistribution extends AbstractIntegerDistribution {
     /**
      * {@inheritDoc}
      */
+    @Override
     public int sample() {
         if (sampler == null) {
             sampler = new ZipfRejectionInversionSampler(numberOfElements, exponent);

src/main/java/org/apache/commons/math3/fitting/leastsquares/LeastSquaresFactory.java

@@ -228,6 +228,7 @@ public class LeastSquaresFactory {
         return new LeastSquaresAdapter(problem) {
 
             /** {@inheritDoc} */
+            @Override
             public Evaluation evaluate(final RealVector point) {
                 counter.incrementCount();
                 return super.evaluate(point);

src/main/java/org/apache/commons/math3/fraction/BigFraction.java

@@ -517,7 +517,6 @@ public class BigFraction
      * @return a {@link BigFraction} instance with the resulting values.
      * @throws NullArgumentException if the {@link BigFraction} is {@code null}.
      */
-    @Override
     public BigFraction add(final BigFraction fraction) {
         if (fraction == null) {
             throw new NullArgumentException(LocalizedFormats.FRACTION);
@@ -613,7 +612,6 @@ public class BigFraction
      *         than {@code object}, 0 if they are equal.
      * @see java.lang.Comparable#compareTo(java.lang.Object)
      */
-    @Override
     public int compareTo(final BigFraction object) {
         int lhsSigNum = numerator.signum();
         int rhsSigNum = object.numerator.signum();
@@ -693,7 +691,6 @@ public class BigFraction
      * @throws NullArgumentException if the {@code fraction} is {@code null}.
      * @throws MathArithmeticException if the fraction to divide by is zero
      */
-    @Override
     public BigFraction divide(final BigFraction fraction) {
         if (fraction == null) {
             throw new NullArgumentException(LocalizedFormats.FRACTION);
@@ -921,7 +918,6 @@ public class BigFraction
      *            the {@code int} to multiply by.
      * @return a {@link BigFraction} instance with the resulting values.
      */
-    @Override
     public BigFraction multiply(final int i) {
         if (i == 0 || numerator.signum() == 0) {
             return ZERO;
@@ -958,7 +954,6 @@ public class BigFraction
      * @return a {@link BigFraction} instance with the resulting values.
      * @throws NullArgumentException if {@code fraction} is {@code null}.
      */
-    @Override
     public BigFraction multiply(final BigFraction fraction) {
         if (fraction == null) {
             throw new NullArgumentException(LocalizedFormats.FRACTION);
@@ -979,7 +974,6 @@ public class BigFraction
      *
      * @return the negation of this fraction.
      */
-    @Override
     public BigFraction negate() {
         return new BigFraction(numerator.negate(), denominator);
     }
@@ -1096,7 +1090,6 @@ public class BigFraction
      *
      * @return the reciprocal fraction.
      */
-    @Override
     public BigFraction reciprocal() {
         return new BigFraction(denominator, numerator);
     }
@@ -1179,7 +1172,6 @@ public class BigFraction
      * @return a {@link BigFraction} instance with the resulting values
      * @throws NullArgumentException if the {@code fraction} is {@code null}.
      */
-    @Override
     public BigFraction subtract(final BigFraction fraction) {
         if (fraction == null) {
             throw new NullArgumentException(LocalizedFormats.FRACTION);
@@ -1227,7 +1219,6 @@ public class BigFraction
     }
 
     /** {@inheritDoc} */
-    @Override
     public BigFractionField getField() {
         return BigFractionField.getInstance();
     }

src/main/java/org/apache/commons/math3/geometry/partitioning/RegionFactory.java

@@ -48,7 +48,7 @@ public class RegionFactory<S extends Space> {
      * @param hyperplanes collection of bounding hyperplanes
      * @return a new convex region, or null if the collection is empty
      */
-    public Region<S> buildConvex(@SuppressWarnings("unchecked") final Hyperplane<S> ... hyperplanes) {
+    public Region<S> buildConvex(final Hyperplane<S> ... hyperplanes) {
         if ((hyperplanes == null) || (hyperplanes.length == 0)) {
             return null;
         }

src/main/java/org/apache/commons/math3/ml/neuralnet/MapUtils.java

@@ -298,7 +298,6 @@ public class MapUtils {
         static final Comparator<PairNeuronDouble> COMPARATOR
             = new Comparator<PairNeuronDouble>() {
             /** {@inheritDoc} */
-            @Override
             public int compare(PairNeuronDouble o1,
                                PairNeuronDouble o2) {
                 return Double.compare(o1.value, o2.value);

src/main/java/org/apache/commons/math3/ml/neuralnet/sofm/KohonenUpdateAction.java

@@ -92,7 +92,6 @@ public class KohonenUpdateAction implements UpdateAction {
     /**
      * {@inheritDoc}
      */
-    @Override
     public void update(Network net,
                        double[] features) {
         final long numCalls = numberOfCalls.incrementAndGet() - 1;

src/main/java/org/apache/commons/math3/ml/neuralnet/twod/util/QuantizationError.java

@@ -40,7 +40,6 @@ public class QuantizationError implements MapDataVisualization {
     }
 
     /** {@inheritDoc} */
-    @Override
     public double[][] computeImage(NeuronSquareMesh2D map,
                                    Iterable<double[]> data) {
         final int nR = map.getNumberOfRows();

src/main/java/org/apache/commons/math3/ode/nonstiff/AdamsFieldIntegrator.java

@@ -95,7 +95,6 @@ public abstract class AdamsFieldIntegrator<T extends RealFieldElement<T>> extend
     }
 
     /** {@inheritDoc} */
-    @Override
     public abstract FieldODEStateAndDerivative<T> integrate(final FieldExpandableODE<T> equations,
                                                             final FieldODEState<T> initialState,
                                                             final T finalTime)

src/main/java/org/apache/commons/math3/ode/nonstiff/AdamsFieldStepInterpolator.java

@@ -115,6 +115,7 @@ class AdamsFieldStepInterpolator<T extends RealFieldElement<T>> extends Abstract
      * @param newMapper equations mapper for the all equations
      * @return a new instance
      */
+    @Override
     protected AdamsFieldStepInterpolator<T> create(boolean newForward,
                                                    FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                    FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/AdamsNordsieckFieldTransformer.java

@@ -189,6 +189,7 @@ public class AdamsNordsieckFieldTransformer<T extends RealFieldElement<T>> {
      * @return Nordsieck transformer for the specified field and number of steps
      * @param <T> the type of the field elements
      */
+    @SuppressWarnings("unchecked")
     public static <T extends RealFieldElement<T>> AdamsNordsieckFieldTransformer<T>
     getInstance(final Field<T> field, final int nSteps) {
         synchronized(CACHE) {
@@ -199,13 +200,13 @@ public class AdamsNordsieckFieldTransformer<T extends RealFieldElement<T>> {
                                         AdamsNordsieckFieldTransformer<? extends RealFieldElement<?>>>();
                 CACHE.put(nSteps, map);
             }
-            @SuppressWarnings("unchecked")
+            @SuppressWarnings("rawtypes") // use rawtype to avoid compilation problems with java 1.5
-            AdamsNordsieckFieldTransformer<T> t = (AdamsNordsieckFieldTransformer<T>) map.get(field);
+            AdamsNordsieckFieldTransformer t = map.get(field);
             if (t == null) {
                 t = new AdamsNordsieckFieldTransformer<T>(field, nSteps);
-                map.put(field, t);
+                map.put(field, (AdamsNordsieckFieldTransformer<T>) t);
             }
-            return t;
+            return (AdamsNordsieckFieldTransformer<T>) t;
 
         }
     }

src/main/java/org/apache/commons/math3/ode/nonstiff/ClassicalRungeKuttaFieldIntegrator.java

@@ -62,7 +62,6 @@ public class ClassicalRungeKuttaFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 3);
         c[0] = getField().getOne().multiply(0.5);
@@ -72,7 +71,6 @@ public class ClassicalRungeKuttaFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T[][] a = MathArrays.buildArray(getField(), 3, -1);
         for (int i = 0; i < a.length; ++i) {
@@ -88,7 +86,6 @@ public class ClassicalRungeKuttaFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 4);
         b[0] = fraction(1, 6);

src/main/java/org/apache/commons/math3/ode/nonstiff/ClassicalRungeKuttaFieldStepInterpolator.java

@@ -82,6 +82,7 @@ class ClassicalRungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected ClassicalRungeKuttaFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                                  final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                                  final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/DormandPrince54FieldIntegrator.java

@@ -130,7 +130,6 @@ public class DormandPrince54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 6);
         c[0] = fraction(1,  5);
@@ -143,7 +142,6 @@ public class DormandPrince54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T[][] a = MathArrays.buildArray(getField(), 6, -1);
         for (int i = 0; i < a.length; ++i) {
@@ -174,7 +172,6 @@ public class DormandPrince54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 7);
         b[0] = fraction(   35,   384);

src/main/java/org/apache/commons/math3/ode/nonstiff/DormandPrince54FieldStepInterpolator.java

@@ -107,6 +107,7 @@ class DormandPrince54FieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected DormandPrince54FieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                                  final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                                  final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/DormandPrince853FieldIntegrator.java

@@ -191,7 +191,6 @@ public class DormandPrince853FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
 
         final T sqrt6 = getField().getOne().multiply(6).sqrt();
@@ -218,7 +217,6 @@ public class DormandPrince853FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
 
         final T sqrt6 = getField().getOne().multiply(6).sqrt();
@@ -371,7 +369,6 @@ public class DormandPrince853FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 16);
         b[ 0] = fraction(104257, 1920240);

src/main/java/org/apache/commons/math3/ode/nonstiff/DormandPrince853FieldStepInterpolator.java

@@ -188,6 +188,7 @@ class DormandPrince853FieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected DormandPrince853FieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                                final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                                final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/EmbeddedRungeKuttaFieldIntegrator.java

@@ -213,7 +213,6 @@ public abstract class EmbeddedRungeKuttaFieldIntegrator<T extends RealFieldEleme
     }
 
     /** {@inheritDoc} */
-    @Override
     public FieldODEStateAndDerivative<T> integrate(final FieldExpandableODE<T> equations,
                                                    final FieldODEState<T> initialState, final T finalTime)
         throws NumberIsTooSmallException, DimensionMismatchException,

src/main/java/org/apache/commons/math3/ode/nonstiff/EulerFieldIntegrator.java

@@ -64,19 +64,16 @@ public class EulerFieldIntegrator<T extends RealFieldElement<T>> extends RungeKu
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         return MathArrays.buildArray(getField(), 0);
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         return MathArrays.buildArray(getField(), 0, 0);
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 1);
         b[0] = getField().getOne();

src/main/java/org/apache/commons/math3/ode/nonstiff/EulerFieldStepInterpolator.java

@@ -72,6 +72,7 @@ class EulerFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected EulerFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                                  final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                                  final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/GillFieldIntegrator.java

@@ -62,7 +62,6 @@ public class GillFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 3);
         c[0] = fraction(1, 2);
@@ -72,7 +71,6 @@ public class GillFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
 
         final T two     = getField().getZero().add(2);
@@ -92,7 +90,6 @@ public class GillFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
 
         final T two     = getField().getZero().add(2);

src/main/java/org/apache/commons/math3/ode/nonstiff/GillFieldStepInterpolator.java

@@ -90,6 +90,7 @@ class GillFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected GillFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                   final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                   final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/HighamHall54FieldIntegrator.java

@@ -105,7 +105,6 @@ public class HighamHall54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 6);
         c[0] = fraction(2, 9);
@@ -118,7 +117,6 @@ public class HighamHall54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T[][] a = MathArrays.buildArray(getField(), 6, -1);
         for (int i = 0; i < a.length; ++i) {
@@ -149,7 +147,6 @@ public class HighamHall54FieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 7);
         b[0] = fraction(  1, 12);

src/main/java/org/apache/commons/math3/ode/nonstiff/HighamHall54FieldStepInterpolator.java

@@ -58,6 +58,7 @@ class HighamHall54FieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected HighamHall54FieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                           final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                           final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/LutherFieldIntegrator.java

@@ -71,7 +71,6 @@ public class LutherFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T q = getField().getZero().add(21).sqrt();
         final T[] c = MathArrays.buildArray(getField(), 6);
@@ -85,7 +84,6 @@ public class LutherFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T q = getField().getZero().add(21).sqrt();
         final T[][] a = MathArrays.buildArray(getField(), 6, -1);
@@ -117,7 +115,6 @@ public class LutherFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
 
         final T[] b = MathArrays.buildArray(getField(), 7);

src/main/java/org/apache/commons/math3/ode/nonstiff/LutherFieldStepInterpolator.java

@@ -118,6 +118,7 @@ class LutherFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected LutherFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                     final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                     final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/MidpointFieldIntegrator.java

@@ -59,7 +59,6 @@ public class MidpointFieldIntegrator<T extends RealFieldElement<T>> extends Rung
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 1);
         c[0] = getField().getOne().multiply(0.5);
@@ -67,7 +66,6 @@ public class MidpointFieldIntegrator<T extends RealFieldElement<T>> extends Rung
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T[][] a = MathArrays.buildArray(getField(), 1, 1);
         a[0][0] = fraction(1, 2);
@@ -75,7 +73,6 @@ public class MidpointFieldIntegrator<T extends RealFieldElement<T>> extends Rung
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 2);
         b[0] = getField().getZero();

src/main/java/org/apache/commons/math3/ode/nonstiff/MidpointFieldStepInterpolator.java

@@ -74,6 +74,7 @@ class MidpointFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected MidpointFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                       final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                       final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/ode/nonstiff/RungeKuttaFieldIntegrator.java

@@ -111,7 +111,6 @@ public abstract class RungeKuttaFieldIntegrator<T extends RealFieldElement<T>>
                                                                              FieldEquationsMapper<T> mapper);
 
     /** {@inheritDoc} */
-    @Override
     public FieldODEStateAndDerivative<T> integrate(final FieldExpandableODE<T> equations,
                                                    final FieldODEState<T> initialState, final T finalTime)
         throws NumberIsTooSmallException, DimensionMismatchException,

src/main/java/org/apache/commons/math3/ode/nonstiff/RungeKuttaFieldStepInterpolator.java

@@ -69,6 +69,7 @@ abstract class RungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected RungeKuttaFieldStepInterpolator<T> create(boolean newForward,
                                                         FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                         FieldODEStateAndDerivative<T> newGlobalCurrentState,
@@ -103,7 +104,6 @@ abstract class RungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
      * @param coefficients coefficients to apply to the method staged derivatives
      * @return combined state
      */
-    @SafeVarargs
     protected final T[] previousStateLinearCombination(final T ... coefficients) {
         return combine(getPreviousState().getState(),
                        coefficients);
@@ -113,7 +113,6 @@ abstract class RungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
      * @param coefficients coefficients to apply to the method staged derivatives
      * @return combined state
      */
-    @SuppressWarnings("unchecked")
     protected T[] currentStateLinearCombination(final T ... coefficients) {
         return combine(getCurrentState().getState(),
                        coefficients);
@@ -123,7 +122,6 @@ abstract class RungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
      * @param coefficients coefficients to apply to the method staged derivatives
      * @return combined state
      */
-    @SuppressWarnings("unchecked")
     protected T[] derivativeLinearCombination(final T ... coefficients) {
         return combine(MathArrays.buildArray(field, yDotK[0].length), coefficients);
     }
@@ -131,9 +129,8 @@ abstract class RungeKuttaFieldStepInterpolator<T extends RealFieldElement<T>>
     /** Linearly combine arrays.
      * @param a array to add to
      * @param coefficients coefficients to apply to the method staged derivatives
-     * @return a itself, as a conveniency for fluent API
+     * @return a itself, as a convenience for fluent API
      */
-    @SuppressWarnings("unchecked")
     private T[] combine(final T[] a, final T ... coefficients) {
         for (int i = 0; i < a.length; ++i) {
             for (int k = 0; k < coefficients.length; ++k) {

src/main/java/org/apache/commons/math3/ode/nonstiff/ThreeEighthesFieldIntegrator.java

@@ -61,7 +61,6 @@ public class ThreeEighthesFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getC() {
         final T[] c = MathArrays.buildArray(getField(), 3);
         c[0] = fraction(1, 3);
@@ -71,7 +70,6 @@ public class ThreeEighthesFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[][] getA() {
         final T[][] a = MathArrays.buildArray(getField(), 3, -1);
         for (int i = 0; i < a.length; ++i) {
@@ -87,7 +85,6 @@ public class ThreeEighthesFieldIntegrator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
-    @Override
     public T[] getB() {
         final T[] b = MathArrays.buildArray(getField(), 4);
         b[0] = fraction(1, 8);

src/main/java/org/apache/commons/math3/ode/nonstiff/ThreeEighthesFieldStepInterpolator.java

@@ -84,6 +84,7 @@ class ThreeEighthesFieldStepInterpolator<T extends RealFieldElement<T>>
     }
 
     /** {@inheritDoc} */
+    @Override
     protected ThreeEighthesFieldStepInterpolator<T> create(final Field<T> newField, final boolean newForward, final T[][] newYDotK,
                                                            final FieldODEStateAndDerivative<T> newGlobalPreviousState,
                                                            final FieldODEStateAndDerivative<T> newGlobalCurrentState,

src/main/java/org/apache/commons/math3/util/IntegerSequence.java

@@ -108,7 +108,6 @@ public class IntegerSequence {
         }
 
         /** {@inheritDoc} */
-        @Override
         public Iterator<Integer> iterator() {
             return Incrementor.create()
                 .withStart(start)
@@ -130,7 +129,6 @@ public class IntegerSequence {
         private static final MaxCountExceededCallback CALLBACK
             = new MaxCountExceededCallback() {
                     /** {@inheritDoc} */
-                    @Override
                     public void trigger(int max) throws MaxCountExceededException {
                         throw new MaxCountExceededException(max);
                     }
@@ -328,7 +326,7 @@ public class IntegerSequence {
          * {@link MaxCountExceededCallback#trigger(int) trigger} method of the
          * callback object passed to the
          * {@link #withCallback(MaxCountExceededCallback)} method.
-         * If not explictly set, a default callback is used that will throw
+         * If not explicitly set, a default callback is used that will throw
          * a {@code MaxCountExceededException}.
          *
          * @throws MaxCountExceededException at counter exhaustion, unless a
@@ -341,13 +339,11 @@ public class IntegerSequence {
         }
 
         /** {@inheritDoc} */
-        @Override
         public boolean hasNext() {
             return canIncrement(0);
         }
 
         /** {@inheritDoc} */
-        @Override
         public Integer next() {
             final int value = count;
             increment();
@@ -359,7 +355,6 @@ public class IntegerSequence {
          *
          * @throws MathUnsupportedOperationException
          */
-        @Override
         public void remove() {
             throw new MathUnsupportedOperationException();
         }

src/main/java/org/apache/commons/math3/util/IterationManager.java

@@ -62,7 +62,6 @@ public class IterationManager {
                             final Incrementor.MaxCountExceededCallback callBack) {
         this(maxIterations, new IntegerSequence.Incrementor.MaxCountExceededCallback() {
             /** {@inheritDoc} */
-            @Override
             public void trigger(final int maximalCount) throws MaxCountExceededException {
                 callBack.trigger(maximalCount);
             }

src/test/java/org/apache/commons/math3/analysis/interpolation/MicrosphereProjectionInterpolatorTest.java

@@ -34,7 +34,6 @@ public final class MicrosphereProjectionInterpolatorTest {
     @Test
     public void testLinearFunction2D() {
         MultivariateFunction f = new MultivariateFunction() {
-            @Override
             public double value(double[] x) {
                 if (x.length != 2) {
                     throw new IllegalArgumentException();

src/test/java/org/apache/commons/math3/distribution/ZipfDistributionTest.java

@@ -171,7 +171,7 @@ public class ZipfDistributionTest extends IntegerDistributionAbstractTest {
     public void testSamplerHelper1() {
         final double tol = 1e-12;
         final double[] testValues = {
-            Math.nextUp(-1.), -1e-1, -1e-2, -1e-3, -1e-4, -1e-5, -1e-6, -1e-7, -1e-8,
+            FastMath.nextUp(-1.), -1e-1, -1e-2, -1e-3, -1e-4, -1e-5, -1e-6, -1e-7, -1e-8,
             -1e-9, -1e-10, -1e-11, 0., 1e-11, 1e-10, 1e-9, 1e-8, 1e-7, 1e-6,
             1e-5, 1e-4, 1e-3, 1e-2, 1e-1, 1e0
         };

src/test/java/org/apache/commons/math3/ode/nonstiff/AbstractEmbeddedRungeKuttaFieldIntegratorTest.java

@@ -460,8 +460,8 @@ public abstract class AbstractEmbeddedRungeKuttaFieldIntegratorTest {
     @Test
     public abstract void testPartialDerivatives();
 
-    protected <T extends RealFieldElement<T>> void doTestPartialDerivatives(final double epsilonY,
+    protected void doTestPartialDerivatives(final double epsilonY,
-                                                                            final double[] epsilonPartials) {
+                                            final double[] epsilonPartials) {
 
         // parameters indices
         final int parameters = 5;
@@ -496,7 +496,7 @@ public abstract class AbstractEmbeddedRungeKuttaFieldIntegratorTest {
         }
 
         // check derivatives
-        final double[][] derivatives = sinCos.getDerivatives(t.getReal()); 
+        final double[][] derivatives = sinCos.getDerivatives(t.getReal());
         for (int i = 0; i < sinCos.getDimension(); ++i) {
             for (int parameter = 0; parameter < parameters; ++parameter) {
                 Assert.assertEquals(derivatives[i][parameter], dYdP(result.getState()[i], parameter), epsilonPartials[parameter]);

src/test/java/org/apache/commons/math3/ode/nonstiff/AbstractRungeKuttaFieldIntegratorTest.java

@@ -522,8 +522,8 @@ public abstract class AbstractRungeKuttaFieldIntegratorTest {
     @Test
     public abstract void testPartialDerivatives();
 
-    protected <T extends RealFieldElement<T>> void doTestPartialDerivatives(final double epsilonY,
+    protected void doTestPartialDerivatives(final double epsilonY,
-                                                                            final double[] epsilonPartials) {
+                                            final double[] epsilonPartials) {
 
         // parameters indices
         final int parameters = 5;
@@ -556,7 +556,7 @@ public abstract class AbstractRungeKuttaFieldIntegratorTest {
         }
 
         // check derivatives
-        final double[][] derivatives = sinCos.getDerivatives(t.getReal()); 
+        final double[][] derivatives = sinCos.getDerivatives(t.getReal());
         for (int i = 0; i < sinCos.getDimension(); ++i) {
             for (int parameter = 0; parameter < parameters; ++parameter) {
                 Assert.assertEquals(derivatives[i][parameter],

src/test/java/org/apache/commons/math3/ode/nonstiff/EulerFieldIntegratorTest.java

@@ -24,6 +24,7 @@ import org.apache.commons.math3.util.Decimal64Field;
 
 public class EulerFieldIntegratorTest extends AbstractRungeKuttaFieldIntegratorTest {
 
+    @Override
     protected <T extends RealFieldElement<T>> RungeKuttaFieldIntegrator<T>
     createIntegrator(Field<T> field, T step) {
         return new EulerFieldIntegrator<T>(field, step);