On Wed, Aug 31, 2011 at 07:41:26AM -0000, [email protected] wrote:
> Author: celestin
> Date: Wed Aug 31 07:41:25 2011
> New Revision: 1163515
>
> URL: http://svn.apache.org/viewvc?rev=1163515&view=rev
> Log:
> Removed occurences of double[] from RealLinearOperator (see MATH-653)
> method double[] operate(double[]) has been left in AbstractRealMatrix,
> according to exchanges on this JIRA ticket.
>
> Modified:
>
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
>
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/RealLinearOperator.java
>
> Modified:
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java?rev=1163515&r1=1163514&r2=1163515&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
> (original)
> +++
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/AbstractRealMatrix.java
> Wed Aug 31 07:41:25 2011
> @@ -625,7 +625,6 @@ public abstract class AbstractRealMatrix
> }
>
> /** {@inheritDoc} */
> - @Override
> public double[] operate(final double[] v) {
> final int nRows = getRowDimension();
> final int nCols = getColumnDimension();
>
> Modified:
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/RealLinearOperator.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/RealLinearOperator.java?rev=1163515&r1=1163514&r2=1163515&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/RealLinearOperator.java
> (original)
> +++
> commons/proper/math/trunk/src/main/java/org/apache/commons/math/linear/RealLinearOperator.java
> Wed Aug 31 07:41:25 2011
> @@ -17,8 +17,6 @@
>
> package org.apache.commons.math.linear;
>
> -import org.apache.commons.math.exception.DimensionMismatchException;
> -
> /**
> * This class defines a linear operator operating on real ({@code double})
> * vector spaces.
> @@ -70,24 +68,8 @@ public abstract class RealLinearOperator
> *
> * @param x Vector to operate on.
> * @return the product of {@code this} instance with {@code x}.
> - */
> - public double[] operate(final double[] x) {
> - if (x.length != getColumnDimension()) {
> - throw new DimensionMismatchException(x.length,
> getColumnDimension());
> - }
> - final RealVector y = operate(new ArrayRealVector(x, false));
> - if (y instanceof ArrayRealVector) {
> - return ((ArrayRealVector) y).getDataRef();
> - } else {
> - return y.getData();
> - }
> - }
> -
> - /**
> - * Returns the result of multiplying {@code this} by the vector {@code
> x}.
> - *
> - * @param x Vector to operate on.
> - * @return the product of {@code this} instance with {@code x}.
> + * @throws org.apache.commons.math.exception.DimensionMismatchException
> + * if {@code getColumnDimension() != v.getDimension()}
> */
> public abstract RealVector operate(final RealVector x);
> }
>
>
Javadoc: What is "v"? ;-)
I also tend to prefer a real sentence rather than a copy/paste of code
excerpts; e.g.
[...] if the column dimension does not match the size of vector {@code x}.
Best,
Gilles
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