| /* |
| * 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.sysml.hops.cost; |
| |
| /** |
| * |
| * |
| */ |
| public class VarStats |
| { |
| |
| |
| long _rlen = -1; |
| long _clen = -1; |
| long _brlen = -1; |
| long _bclen = -1; |
| double _nnz = -1; |
| boolean _inmem = false; |
| |
| public VarStats( long rlen, long clen, long brlen, long bclen, long nnz, boolean inmem ) |
| { |
| _rlen = rlen; |
| _clen = clen; |
| _brlen = brlen; |
| _bclen = bclen; |
| _nnz = nnz; |
| _inmem = inmem; |
| } |
| |
| /** |
| * |
| * @return |
| */ |
| public double getSparsity() |
| { |
| return (_nnz<0) ? 1.0 : (double)_nnz/_rlen/_clen; |
| } |
| |
| @Override |
| public String toString() |
| { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("VarStats: ["); |
| sb.append("rlen = "); |
| sb.append(_rlen); |
| sb.append(", clen = "); |
| sb.append(_clen); |
| sb.append(", nnz = "); |
| sb.append(_nnz); |
| sb.append(", inmem = "); |
| sb.append(_inmem); |
| sb.append("]"); |
| |
| return sb.toString(); |
| } |
| |
| @Override |
| public Object clone() |
| { |
| return new VarStats(_rlen, _clen, _brlen, _bclen,(long)_nnz, _inmem ); |
| } |
| } |