| /* |
| * 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.sysds.runtime.data; |
| |
| import org.apache.sysds.runtime.util.UtilFunctions; |
| |
| import java.util.Arrays; |
| |
| public class DenseBlockFP64 extends DenseBlockDRB |
| { |
| private static final long serialVersionUID = 8546723684649816489L; |
| |
| private double[] _data; |
| |
| public DenseBlockFP64(int[] dims) { |
| super(dims); |
| reset(_rlen, _odims, 0); |
| } |
| |
| @Override |
| protected void allocateBlock(int bix, int length) { |
| _data = new double[length]; |
| } |
| |
| public DenseBlockFP64(int[] dims, double[] data) { |
| super(dims); |
| _data = data; |
| } |
| |
| @Override |
| public boolean isNumeric() { |
| return true; |
| } |
| |
| @Override |
| public void reset(int rlen, int[] odims, double v) { |
| int len = rlen * odims[0]; |
| if( len > capacity() ) { |
| _data = new double[len]; |
| if( v != 0 ) |
| Arrays.fill(_data, v); |
| } |
| else { |
| Arrays.fill(_data, 0, len, v); |
| } |
| _rlen = rlen; |
| _odims = odims; |
| } |
| |
| @Override |
| public long capacity() { |
| return (_data!=null) ? _data.length : -1; |
| } |
| |
| @Override |
| protected long computeNnz(int bix, int start, int length) { |
| return UtilFunctions.computeNnz(_data, start, length); |
| } |
| |
| @Override |
| public double[] values(int r) { |
| return _data; |
| } |
| |
| @Override |
| public double[] valuesAt(int bix) { |
| return _data; |
| } |
| |
| @Override |
| public int index(int r) { |
| return 0; |
| } |
| |
| @Override |
| public int pos(int r) { |
| return r * _odims[0]; |
| } |
| |
| @Override |
| public int pos(int r, int c) { |
| return r * _odims[0] + c; |
| } |
| |
| @Override |
| public void incr(int r, int c) { |
| _data[pos(r, c)] ++; |
| } |
| |
| @Override |
| public void incr(int r, int c, double delta) { |
| _data[pos(r, c)] += delta; |
| } |
| |
| @Override |
| protected void fillBlock(int bix, int fromIndex, int toIndex, double v) { |
| Arrays.fill(_data, fromIndex, toIndex, v); |
| } |
| |
| @Override |
| protected void setInternal(int bix, int ix, double v) { |
| _data[ix] = v; |
| } |
| |
| @Override |
| public DenseBlock set(int r, int c, double v) { |
| _data[pos(r, c)] = v; |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(DenseBlock db) { |
| System.arraycopy(db.valuesAt(0), 0, _data, 0, _rlen*_odims[0]); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int rl, int ru, int ol, int ou, DenseBlock db) { |
| //TODO generalize to non-double dense blocks |
| //TODO should we specify that the length HAS TO BE (ru - rl) * (ou - ol) == db.size()? or allow partial sets |
| double[] a = db.valuesAt(0); |
| // if we can make use of the linearized array, just do an arraycopy. |
| // all columns for our DenseBlock mean we can just have to limit the range by rows |
| if( ol == 0 && ou == _odims[0]) |
| System.arraycopy(a, 0, _data, rl*_odims[0], (ru - rl) * _odims[0]); |
| else { |
| int len = ou - ol; |
| for(int i=rl, ix1=0, ix2=rl*_odims[0]+ol; i<ru; i++, ix1+=len, ix2+=_odims[0]) |
| System.arraycopy(a, ix1, _data, ix2, len); |
| } |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int r, double[] v) { |
| System.arraycopy(v, 0, _data, pos(r), _odims[0]); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, double v) { |
| _data[pos(ix)] = v; |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, long v) { |
| _data[pos(ix)] = v; |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(int[] ix, String v) { |
| _data[pos(ix)] = Double.parseDouble(v); |
| return this; |
| } |
| |
| @Override |
| public double get(int r, int c) { |
| return _data[pos(r, c)]; |
| } |
| |
| @Override |
| public double get(int[] ix) { |
| return _data[pos(ix)]; |
| } |
| |
| @Override |
| public String getString(int[] ix) { |
| return String.valueOf(_data[pos(ix)]); |
| } |
| |
| @Override |
| public long getLong(int[] ix) { |
| return UtilFunctions.toLong(_data[pos(ix)]); |
| } |
| } |