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Posted to commits@mahout.apache.org by td...@apache.org on 2011/09/01 13:29:09 UTC

svn commit: r1164015 - in /mahout/trunk: core/src/main/java/org/apache/mahout/clustering/lda/ math/src/main/java/org/apache/mahout/math/

Author: tdunning
Date: Thu Sep  1 11:29:08 2011
New Revision: 1164015

URL: http://svn.apache.org/viewvc?rev=1164015&view=rev
Log:
MAHOUT-790 - More get/view changes

Modified:
    mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDAInference.java
    mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java
    mahout/trunk/math/src/main/java/org/apache/mahout/math/DiagonalMatrix.java
    mahout/trunk/math/src/main/java/org/apache/mahout/math/PivotedMatrix.java

Modified: mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDAInference.java
URL: http://svn.apache.org/viewvc/mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDAInference.java?rev=1164015&r1=1164014&r2=1164015&view=diff
==============================================================================
--- mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDAInference.java (original)
+++ mahout/trunk/core/src/main/java/org/apache/mahout/clustering/lda/LDAInference.java Thu Sep  1 11:29:08 2011
@@ -154,7 +154,7 @@ public class LDAInference {
   }
   
   private void createPhiMatrix(int docLength) {
-    if (phi == null || phi.getRow(0).size() != docLength) {
+    if (phi == null || phi.rowSize() != docLength) {
       phi = new DenseMatrix(state.getNumTopics(), docLength);
     } else {
       phi.assign(0);

Modified: mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java?rev=1164015&r1=1164014&r2=1164015&view=diff
==============================================================================
--- mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java (original)
+++ mahout/trunk/math/src/main/java/org/apache/mahout/math/AbstractMatrix.java Thu Sep  1 11:29:08 2011
@@ -67,21 +67,12 @@ public abstract class AbstractMatrix imp
           return endOfData();
         }
         int i = slice++;
-        return new MatrixSlice(slice(i), i);
+        return new MatrixSlice(viewRow(i), i);
       }
     };
   }
 
   /**
-   * Abstracted out for iterating over either rows or columns (default is rows).
-   * @param index the row or column number to grab as a vector (shallowly)
-   * @return the row or column vector at that index.
-   */
-  protected Vector slice(int index) {
-    return getRow(index);
-  }
-
-  /**
    * Abstracted out for the iterator
    * @return numRows() for row-based iterator, numColumns() for column-based.
    */

Modified: mahout/trunk/math/src/main/java/org/apache/mahout/math/DiagonalMatrix.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/main/java/org/apache/mahout/math/DiagonalMatrix.java?rev=1164015&r1=1164014&r2=1164015&view=diff
==============================================================================
--- mahout/trunk/math/src/main/java/org/apache/mahout/math/DiagonalMatrix.java (original)
+++ mahout/trunk/math/src/main/java/org/apache/mahout/math/DiagonalMatrix.java Thu Sep  1 11:29:08 2011
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.mahout.math;
 
 /**
@@ -48,30 +65,6 @@ public class DiagonalMatrix extends Abst
   }
 
   /**
-   * Return the column at the given index
-   *
-   * @param column an int column index
-   * @return a Vector at the index
-   * @throws IndexException if the index is out of bounds
-   */
-  @Override
-  public Vector getColumn(int column) {
-    return new MatrixVectorView(this, 0, column, 1, 0);
-  }
-
-  /**
-   * Return the row at the given index
-   *
-   * @param row an int row index
-   * @return a Vector at the index
-   * @throws IndexException if the index is out of bounds
-   */
-  @Override
-  public Vector getRow(int row) {
-    return new MatrixVectorView(this, row, 0, 0, 1);
-  }
-
-  /**
    * Provides a view of the diagonal of a matrix.
    */
   @Override

Modified: mahout/trunk/math/src/main/java/org/apache/mahout/math/PivotedMatrix.java
URL: http://svn.apache.org/viewvc/mahout/trunk/math/src/main/java/org/apache/mahout/math/PivotedMatrix.java?rev=1164015&r1=1164014&r2=1164015&view=diff
==============================================================================
--- mahout/trunk/math/src/main/java/org/apache/mahout/math/PivotedMatrix.java (original)
+++ mahout/trunk/math/src/main/java/org/apache/mahout/math/PivotedMatrix.java Thu Sep  1 11:29:08 2011
@@ -1,3 +1,20 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package org.apache.mahout.math;
 
 import com.google.common.base.Preconditions;
@@ -116,11 +133,11 @@ public class PivotedMatrix extends Abstr
    *          if the index is out of bounds
    */
   @Override
-  public Vector getColumn(int column) {
+  public Vector viewColumn(int column) {
     if (column < 0 || column >= columnSize()) {
       throw new IndexException(column, columnSize());
     }
-    return new PermutedVectorView(base.getColumn(columnPivot[column]), rowPivot, rowUnpivot);
+    return new PermutedVectorView(base.viewColumn(columnPivot[column]), rowPivot, rowUnpivot);
   }
 
   /**
@@ -132,11 +149,11 @@ public class PivotedMatrix extends Abstr
    *          if the index is out of bounds
    */
   @Override
-  public Vector getRow(int row) {
+  public Vector viewRow(int row) {
     if (row < 0 || row >= rowSize()) {
       throw new IndexException(row, rowSize());
     }
-    return new PermutedVectorView(base.getRow(rowPivot[row]), columnPivot, columnUnpivot);
+    return new PermutedVectorView(base.viewRow(rowPivot[row]), columnPivot, columnUnpivot);
   }
 
   /**