| /* |
| * 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; |
| |
| public abstract class DenseBlockDRB extends DenseBlock |
| { |
| private static final long serialVersionUID = 3581157975703708947L; |
| |
| protected DenseBlockDRB(int[] dims) { |
| super(dims); |
| } |
| |
| @Override |
| public void reset(int rlen, int[] odims, double v) { |
| int len = rlen * odims[0]; |
| if( len > capacity() ) { |
| allocateBlock(0, len); |
| if( v != 0 ) |
| fillBlock(0, 0, len, v); |
| } |
| else { |
| fillBlock(0, 0, len, v); |
| } |
| _rlen = rlen; |
| _odims = odims; |
| } |
| |
| @Override |
| public int numBlocks() { |
| return 1; |
| } |
| |
| @Override |
| public int blockSize() { |
| return _rlen; |
| } |
| |
| @Override |
| public int blockSize(int bix) { |
| return _rlen; |
| } |
| |
| @Override |
| public boolean isContiguous() { |
| return true; |
| } |
| |
| @Override |
| public boolean isContiguous(int rl, int ru) { |
| return true; |
| } |
| |
| @Override |
| public int size(int bix) { |
| return (int)size(); |
| } |
| |
| @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 int pos(int[] ix) { |
| int pos = ix[ix.length-1]; |
| for(int i=0; i<ix.length-1; i++) |
| pos += ix[i] * _odims[i]; |
| return pos; |
| } |
| |
| @Override |
| public long countNonZeros() { |
| return computeNnz(0, 0, _rlen * _odims[0]); |
| } |
| |
| @Override |
| public int countNonZeros(int r) { |
| return (int) computeNnz(0, r * _odims[0], _odims[0]); |
| } |
| |
| @Override |
| public long countNonZeros(int rl, int ru, int ol, int ou) { |
| long nnz = 0; |
| if( ol == 0 && ou == _odims[0] ) { //specific case: all cols |
| nnz += computeNnz(0, rl * _odims[0], (ru - rl) * _odims[0]); |
| } |
| else { |
| for( int i=rl, ix=rl*_odims[0]; i<ru; i++, ix+=_odims[0] ) |
| nnz += computeNnz(0, ix + ol, ou - ol); |
| } |
| return nnz; |
| } |
| |
| @Override |
| public DenseBlock set(int rl, int ru, int cl, int cu, double v) { |
| if( cl==0 && cu == _odims[0] ) |
| fillBlock(0, rl * _odims[0], ru * _odims[0], v); |
| else |
| for(int i=rl, ix=rl*_odims[0]; i<ru; i++, ix+=_odims[0]) |
| fillBlock(0, ix + cl, ix + cu, v); |
| return this; |
| } |
| |
| @Override |
| public DenseBlock set(double v) { |
| fillBlock(0, 0, _rlen * _odims[0], v); |
| return this; |
| } |
| } |