/*
* Copyright 2011-2014, by Vladimir Kostyukov and Contributors.
*
* This file is part of la4j project (http://la4j.org)
*
* Licensed 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.
*
* Contributor(s): -
*
*/
package org.la4j.iterator;
public abstract class RowMajorMatrixIterator extends MatrixIterator {
public RowMajorMatrixIterator(int rows, int columns) {
super(rows, columns);
}
@Override
protected int cursor() {
return rowIndex() * columns + columnIndex();
}
@Override
public MatrixIterator orElseAdd(final MatrixIterator those) {
return new CursorToRowMajorMatrixIterator(super.orElse(those, JoinFunction.ADD), rows, columns);
}
@Override
public MatrixIterator orElseSubtract(final MatrixIterator those) {
return new CursorToRowMajorMatrixIterator(super.orElse(those, JoinFunction.SUB), rows, columns);
}
@Override
public MatrixIterator andAlsoMultiply(MatrixIterator those) {
return new CursorToRowMajorMatrixIterator(super.andAlso(those, JoinFunction.MUL), rows, columns);
}
@Override
public MatrixIterator andAlsoDivide(MatrixIterator those) {
return new CursorToRowMajorMatrixIterator(super.andAlso(those, JoinFunction.DIV), rows, columns);
}
}