org.ejml.dense.row.misc.ImplCommonOps_DDRM Maven / Gradle / Ivy
/*
* Copyright (c) 2009-2017, Peter Abeles. All Rights Reserved.
*
* This file is part of Efficient Java Matrix Library (EJML).
*
* 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.
*/
package org.ejml.dense.row.misc;
import org.ejml.data.DMatrixRMaj;
/**
* Implementations of common ops routines for {@link DMatrixRMaj}. In general
* there is no need to directly invoke these functions.
*
* @author Peter Abeles
*/
public class ImplCommonOps_DDRM {
public static void extract(DMatrixRMaj src,
int srcY0, int srcX0,
DMatrixRMaj dst,
int dstY0, int dstX0,
int numRows, int numCols)
{
for( int y = 0; y < numRows; y++ ) {
int indexSrc = src.getIndex(y+srcY0,srcX0);
int indexDst = dst.getIndex(y+dstY0,dstX0);
System.arraycopy(src.data,indexSrc,dst.data,indexDst, numCols);
}
}
}