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Added checks for validity of arrays supplied to constructors.

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@141485 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Phil Steitz 2004-10-25 05:33:24 +00:00
parent 20a6b4de56
commit 0ef8a93ebf
1 changed files with 58 additions and 1 deletions
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59
src/java/org/apache/commons/math/linear/BigMatrixImpl.java
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@ -43,7 +43,7 @@ import java.math.BigDecimal;
* As specified in the {@link BigMatrix} interface, matrix element indexing
* is 0-based -- e.g., <code>getEntry(0, 0)</code>
* returns the element in the first row, first column of the matrix.</li></ul>
* @version $Revision: 1.8 $ $Date: 2004/10/25 03:12:28 $
* @version $Revision: 1.9 $ $Date: 2004/10/25 05:33:24 $
*/
public class BigMatrixImpl implements BigMatrix, Serializable {
@ -103,8 +103,27 @@ public class BigMatrixImpl implements BigMatrix, Serializable {
* The input array is copied, not referenced.
*
* @param d data for new matrix
* @throws IllegalArgumentException if <code>d</code> is not rectangular
* (not all rows have the same length) or empty
* @throws NullPointerException if <code>d</code> is null
*/
public BigMatrixImpl(BigDecimal[][] d) {
int nRows = d.length;
if (nRows == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one row.");
}
int nCols = d[0].length;
if (nCols == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one column.");
}
for (int row = 1; row < nRows; row++) {
if (d[row].length != nCols) {
throw new IllegalArgumentException(
"All input rows must have the same length.");
}
}
this.copyIn(d);
lu = null;
}
@ -116,8 +135,27 @@ public class BigMatrixImpl implements BigMatrix, Serializable {
* The input array is copied, not referenced.
*
* @param d data for new matrix
* @throws IllegalArgumentException if <code>d</code> is not rectangular
* (not all rows have the same length) or empty
* @throws NullPointerException if <code>d</code> is null
*/
public BigMatrixImpl(double[][] d) {
int nRows = d.length;
if (nRows == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one row.");
}
int nCols = d[0].length;
if (nCols == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one column.");
}
for (int row = 1; row < nRows; row++) {
if (d[row].length != nCols) {
throw new IllegalArgumentException(
"All input rows must have the same length.");
}
}
this.copyIn(d);
lu = null;
}
@ -127,8 +165,27 @@ public class BigMatrixImpl implements BigMatrix, Serializable {
* <code>data</code> as the underlying data array.
*
* @param d data for new matrix
* @throws IllegalArgumentException if <code>d</code> is not rectangular
* (not all rows have the same length) or empty
* @throws NullPointerException if <code>d</code> is null
*/
public BigMatrixImpl(String[][] d) {
int nRows = d.length;
if (nRows == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one row.");
}
int nCols = d[0].length;
if (nCols == 0) {
throw new IllegalArgumentException(
"Matrix must have at least one column.");
}
for (int row = 1; row < nRows; row++) {
if (d[row].length != nCols) {
throw new IllegalArgumentException(
"All input rows must have the same length.");
}
}
this.copyIn(d);
lu = null;
}