Hi Sébastien.
> [...]
> Modified:
> commons/proper/math/trunk/src/main/java/org/apache/commons/math3/linear/RealVector.java
> URL:
> http://svn.apache.org/viewvc/commons/proper/math/trunk/src/main/java/org/apache/commons/math3/linear/RealVector.java?rev=1343163&r1=1343162&r2=1343163&view=diff
> ==============================================================================
> ---
> commons/proper/math/trunk/src/main/java/org/apache/commons/math3/linear/RealVector.java
> (original)
> +++
> commons/proper/math/trunk/src/main/java/org/apache/commons/math3/linear/RealVector.java
> Mon May 28 08:31:13 2012
> @@ -22,6 +22,7 @@ import java.util.NoSuchElementException;
>
> import org.apache.commons.math3.exception.MathUnsupportedOperationException;
> import org.apache.commons.math3.exception.DimensionMismatchException;
> +import org.apache.commons.math3.exception.NumberIsTooSmallException;
> import org.apache.commons.math3.exception.OutOfRangeException;
> import org.apache.commons.math3.exception.MathArithmeticException;
> import org.apache.commons.math3.analysis.FunctionUtils;
> @@ -191,6 +192,37 @@ public abstract class RealVector {
> }
>
> /**
> + * Checks that the indices of a subvector are valid.
> + *
> + * @param start the index of the first entry of the subvector
> + * @param end the index of the last entry of the subvector (inclusive)
> + * @throws OutOfRangeException if {@code start} of {@code end} are not
> valid
> + * @throws NumberIsTooSmallException if {@code end < start}
> + */
> + protected void checkIndices(final int start, final int end) {
> + final int dim = getDimension();
> + if ((start < 0) || (start >= dim)) {
> + throw new OutOfRangeException(LocalizedFormats.INDEX,
> + Integer.valueOf(start),
^^^^^^^^^^^^^^^
Why do you call "valueOf"?
> + Integer.valueOf(0),
> + Integer.valueOf(dim - 1));
> + }
> + if ((end < 0) || (end >= dim)) {
> + throw new OutOfRangeException(LocalizedFormats.INDEX,
> + Integer.valueOf(end),
> + Integer.valueOf(0),
> + Integer.valueOf(dim - 1));
> + }
> + if (end < start){
> + // TODO Use more specific error message
> + throw new
> NumberIsTooSmallException(LocalizedFormats.INITIAL_ROW_AFTER_FINAL_ROW,
> + Integer.valueOf(end),
> + Integer.valueOf(start),
> + false);
> + }
> + }
Best,
Gilles
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