Removed Java6 @Override annotations.
@Override is needed in Java6 when implementing an interface, but is allowed only when overriding a previous implementation in Java5. Apache Commons Math currently targets Java5, so these annotations were spurious. git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1536082 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe
parent
c528afa780
commit
4b6b25d558
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@ -34,7 +34,7 @@ import org.apache.commons.math3.util.Precision;
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* First derivative computation with large number of variables.
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* <p>
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* This class plays a similar role to {@link DerivativeStructure}, with
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* a focus on efficiency when dealing with large numer of independent variables
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* a focus on efficiency when dealing with large number of independent variables
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* and most computation depend only on a few of them, and when only first derivative
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* is desired. When these conditions are met, this class should be much faster than
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* {@link DerivativeStructure} and use less memory.
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@ -70,7 +70,7 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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/** Internal constructor.
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* @param value value of the function
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* @param scale scaling factor to apply to all deerivatives
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* @param scale scaling factor to apply to all derivatives
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* @param derivatives derivatives map, a deep copy will be performed,
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* so the map given here will remain safe from changes in the new instance,
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* may be null to create an empty derivatives map, i.e. a constant value
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@ -131,7 +131,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public double getReal() {
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return value;
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}
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@ -259,7 +258,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient multiply(final int n) {
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return new SparseGradient(value * n, n, derivatives);
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}
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@ -290,13 +288,11 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient negate() {
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return new SparseGradient(-value, -1.0, derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public Field<SparseGradient> getField() {
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return new Field<SparseGradient>() {
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@ -319,13 +315,11 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient remainder(final double a) {
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return new SparseGradient(FastMath.IEEEremainder(value, a), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient remainder(final SparseGradient a) {
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// compute k such that lhs % rhs = lhs - k rhs
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@ -337,7 +331,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient abs() {
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if (Double.doubleToLongBits(value) < 0) {
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// we use the bits representation to also handle -0.0
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@ -348,37 +341,31 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient ceil() {
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return createConstant(FastMath.ceil(value));
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient floor() {
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return createConstant(FastMath.floor(value));
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient rint() {
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return createConstant(FastMath.rint(value));
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}
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/** {@inheritDoc} */
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@Override
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public long round() {
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return FastMath.round(value);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient signum() {
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return createConstant(FastMath.signum(value));
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient copySign(final SparseGradient sign) {
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final long m = Double.doubleToLongBits(value);
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final long s = Double.doubleToLongBits(sign.value);
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@ -389,7 +376,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient copySign(final double sign) {
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final long m = Double.doubleToLongBits(value);
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final long s = Double.doubleToLongBits(sign);
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@ -400,7 +386,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient scalb(final int n) {
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final SparseGradient out = new SparseGradient(FastMath.scalb(value, n), Collections.<Integer, Double> emptyMap());
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for (Map.Entry<Integer, Double> entry : derivatives.entrySet()) {
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@ -410,7 +395,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient hypot(final SparseGradient y) {
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if (Double.isInfinite(value) || Double.isInfinite(y.value)) {
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return createConstant(Double.POSITIVE_INFINITY);
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@ -421,10 +405,10 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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final int expX = FastMath.getExponent(value);
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final int expY = FastMath.getExponent(y.value);
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if (expX > expY + 27) {
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// y is neglectible with respect to x
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// y is negligible with respect to x
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return abs();
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} else if (expY > expX + 27) {
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// x is neglectible with respect to y
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// x is negligible with respect to y
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return y.abs();
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} else {
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@ -466,27 +450,23 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient reciprocal() {
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return new SparseGradient(1.0 / value, -1.0 / (value * value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient sqrt() {
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final double sqrt = FastMath.sqrt(value);
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return new SparseGradient(sqrt, 0.5 / sqrt, derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient cbrt() {
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final double cbrt = FastMath.cbrt(value);
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return new SparseGradient(cbrt, 1.0 / (3 * cbrt * cbrt), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient rootN(final int n) {
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if (n == 2) {
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return sqrt();
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@ -499,13 +479,11 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient pow(final double p) {
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return new SparseGradient(FastMath.pow(value, p), p * FastMath.pow(value, p - 1), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient pow(final int n) {
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if (n == 0) {
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return getField().getOne();
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@ -516,7 +494,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient pow(final SparseGradient e) {
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return log().multiply(e).exp();
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}
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@ -542,20 +519,17 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient exp() {
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final double e = FastMath.exp(value);
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return new SparseGradient(e, e, derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient expm1() {
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return new SparseGradient(FastMath.expm1(value), FastMath.exp(value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient log() {
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return new SparseGradient(FastMath.log(value), 1.0 / value, derivatives);
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}
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@ -568,50 +542,42 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient log1p() {
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return new SparseGradient(FastMath.log1p(value), 1.0 / (1.0 + value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient cos() {
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return new SparseGradient(FastMath.cos(value), -FastMath.sin(value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient sin() {
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return new SparseGradient(FastMath.sin(value), FastMath.cos(value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient tan() {
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final double t = FastMath.tan(value);
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return new SparseGradient(t, 1 + t * t, derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient acos() {
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return new SparseGradient(FastMath.acos(value), -1.0 / FastMath.sqrt(1 - value * value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient asin() {
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return new SparseGradient(FastMath.asin(value), 1.0 / FastMath.sqrt(1 - value * value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient atan() {
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return new SparseGradient(FastMath.atan(value), 1.0 / (1 + value * value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient atan2(final SparseGradient x) {
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// compute r = sqrt(x^2+y^2)
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@ -648,38 +614,32 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient cosh() {
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return new SparseGradient(FastMath.cosh(value), FastMath.sinh(value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient sinh() {
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return new SparseGradient(FastMath.sinh(value), FastMath.cosh(value), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient tanh() {
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final double t = FastMath.tanh(value);
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return new SparseGradient(t, 1 - t * t, derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient acosh() {
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return new SparseGradient(FastMath.acosh(value), 1.0 / FastMath.sqrt(value * value - 1.0), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient asinh() {
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return new SparseGradient(FastMath.asinh(value), 1.0 / FastMath.sqrt(value * value + 1.0), derivatives);
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient atanh() {
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return new SparseGradient(FastMath.atanh(value), 1.0 / (1.0 - value * value), derivatives);
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}
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@ -721,7 +681,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final SparseGradient[] a,
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final SparseGradient[] b)
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throws DimensionMismatchException {
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@ -748,7 +707,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final double[] a, final SparseGradient[] b) {
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// compute a simple value, with all partial derivatives
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@ -769,7 +727,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final SparseGradient a1, final SparseGradient b1,
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final SparseGradient a2, final SparseGradient b2) {
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@ -784,7 +741,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final double a1, final SparseGradient b1,
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final double a2, final SparseGradient b2) {
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@ -799,7 +755,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final SparseGradient a1, final SparseGradient b1,
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final SparseGradient a2, final SparseGradient b2,
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final SparseGradient a3, final SparseGradient b3) {
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@ -817,7 +772,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final double a1, final SparseGradient b1,
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final double a2, final SparseGradient b2,
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final double a3, final SparseGradient b3) {
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@ -835,7 +789,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final SparseGradient a1, final SparseGradient b1,
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final SparseGradient a2, final SparseGradient b2,
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final SparseGradient a3, final SparseGradient b3,
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@ -855,7 +808,6 @@ public class SparseGradient implements RealFieldElement<SparseGradient>, Seriali
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}
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/** {@inheritDoc} */
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@Override
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public SparseGradient linearCombination(final double a1, final SparseGradient b1,
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final double a2, final SparseGradient b2,
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final double a3, final SparseGradient b3,
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