| /* |
| * 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.udf.lib; |
| |
| |
| import org.apache.sysml.udf.FunctionParameter; |
| import org.apache.sysml.udf.Matrix; |
| import org.apache.sysml.udf.PackageFunction; |
| import org.apache.sysml.udf.Matrix.ValueType; |
| |
| /** |
| * Wrapper class to deNegInfinity matrices by replacing all Negative Infinities |
| * with zeros, made by modifying <code>DeNaNWrapper.java</code> |
| */ |
| @Deprecated |
| public class DeNegInfinityWrapper extends PackageFunction |
| { |
| |
| private static final long serialVersionUID = 1L; |
| private static final String OUTPUT_FILE = "TMP"; |
| |
| //return matrix |
| private Matrix ret; |
| |
| @Override |
| public int getNumFunctionOutputs() |
| { |
| return 1; |
| } |
| |
| @Override |
| public FunctionParameter getFunctionOutput(int pos) |
| { |
| if(pos == 0) |
| return ret; |
| |
| throw new RuntimeException("Invalid function output being requested"); |
| } |
| |
| @Override |
| public void execute() |
| { |
| try |
| { |
| Matrix inM = (Matrix) getFunctionInput(0); |
| double [][] inData = inM.getMatrixAsDoubleArray(); |
| for (int i = 0; i < inData.length; i++) { |
| for (int j = 0; j < inData[i].length; j++) { |
| if (Double.NEGATIVE_INFINITY == inData [i][j]) { |
| inData [i][j] = 0.0; |
| } } } |
| //create and copy output matrix |
| String dir = createOutputFilePathAndName( OUTPUT_FILE ); |
| ret = new Matrix( dir, inM.getNumRows(), inM.getNumCols(), ValueType.Double ); |
| ret.setMatrixDoubleArray(inData); |
| } |
| catch (Exception e) |
| { |
| throw new RuntimeException("Error executing external order function", e); |
| } |
| } |
| } |