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use direct array access where possible 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@729172 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2008-12-23 23:25:31 +00:00
parent a20be3af18
commit 13583c53fa
1 changed files with 45 additions and 39 deletions
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10
src/java/org/apache/commons/math/linear/AbstractRealMatrix.java
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@ -606,7 +606,9 @@ public abstract class AbstractRealMatrix implements RealMatrix, Serializable {
/** {@inheritDoc} */ /** {@inheritDoc} */
public RealVector operate(final RealVector v) public RealVector operate(final RealVector v)
throws IllegalArgumentException { throws IllegalArgumentException {
try {
return new RealVectorImpl(operate(((RealVectorImpl) v).getDataRef()), false);
} catch (ClassCastException cce) {
final int nRows = getRowDimension(); final int nRows = getRowDimension();
final int nCols = getColumnDimension(); final int nCols = getColumnDimension();
if (v.getDimension() != nCols) { if (v.getDimension() != nCols) {
@ -627,7 +629,7 @@ public abstract class AbstractRealMatrix implements RealMatrix, Serializable {
} }
return new RealVectorImpl(out, false); return new RealVectorImpl(out, false);
}
} }
/** {@inheritDoc} */ /** {@inheritDoc} */
@ -660,6 +662,9 @@ public abstract class AbstractRealMatrix implements RealMatrix, Serializable {
/** {@inheritDoc} */ /** {@inheritDoc} */
public RealVector preMultiply(final RealVector v) public RealVector preMultiply(final RealVector v)
throws IllegalArgumentException { throws IllegalArgumentException {
try {
return new RealVectorImpl(preMultiply(((RealVectorImpl) v).getDataRef()), false);
} catch (ClassCastException cce) {
final int nRows = getRowDimension(); final int nRows = getRowDimension();
final int nCols = getColumnDimension(); final int nCols = getColumnDimension();
@ -683,6 +688,7 @@ public abstract class AbstractRealMatrix implements RealMatrix, Serializable {
return new RealVectorImpl(out); return new RealVectorImpl(out);
} }
}
/** {@inheritDoc} */ /** {@inheritDoc} */
@Deprecated @Deprecated