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A fast and easy to use dense matrix linear algebra library written in Java.

There is a newer version: 0.25

/*
 * Copyright (c) 2009-2012, Peter Abeles. All Rights Reserved.
 *
 * This file is part of Efficient Java Matrix Library (EJML).
 *
 * EJML is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * EJML is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EJML.  If not, see .
 */

package org.ejml.alg.dense.misc;

import org.ejml.data.Matrix64F;

/**
 * Implementations of common ops routines for {@link org.ejml.data.DenseMatrix64F}.  In general
 * there is no need to directly invoke these functions.
 *
 * @author Peter Abeles
 */
public class ImplCommonOps_Matrix64F {
    public static void extract(Matrix64F src,
                               int srcY0, int srcX0,
                               Matrix64F dst,
                               int dstY0, int dstX0,
                               int numRows, int numCols )
    {
        for( int y = 0; y < numRows; y++ ) {
            for( int x = 0; x < numCols; x++ ) {
                double v = src.get(y+srcY0,x+srcX0);
                dst.set(dstY0+y , dstX0 +x, v);
            }
        }
    }
}