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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.hadoop.hive.ql.udf;
 
 import  org.apache.hadoop.io.FloatWritable;
 import  org.apache.hadoop.io.IntWritable;
 import  org.apache.hadoop.io.LongWritable;

class for computing positive modulo. Used for positive_mod command in Cli See {org.apache.hadoop.hive.ql.udf.UDFOPMod} See {org.apache.hadoop.hive.ql.exec.FunctionRegistry}
 
 @Description(name = "pmod", value = "a _FUNC_ b - Compute the positive modulo")
 public class UDFPosMod extends UDFBaseNumericOp {
 
   public UDFPosMod() {
   }
 
   @Override
     // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
     // + b);
     if ((a == null) || (b == null)) {
       return null;
     }
 
     .set((byte) (((a.get() % b.get()) + b.get()) % b.get()));
     return ;
   }
 
   @Override
     // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
     // + b);
     if ((a == null) || (b == null)) {
       return null;
     }
 
     .set((short) (((a.get() % b.get()) + b.get()) % b.get()));
     return ;
   }
 
   @Override
   public IntWritable evaluate(IntWritable a, IntWritable b) {
     // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
     // + b);
     if ((a == null) || (b == null)) {
       return null;
     }
 
     .set((((a.get() % b.get()) + b.get()) % b.get()));
     return ;
   }
 
   @Override
   public LongWritable evaluate(LongWritable a, LongWritable b) {
     // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
     // + b);
     if ((a == null) || (b == null)) {
       return null;
     }
 
     .set(((a.get() % b.get()) + b.get()) % b.get());
     return ;
   }
 
   @Override
   public FloatWritable evaluate(FloatWritable a, FloatWritable b) {
     // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
     // + b);
     if ((a == null) || (b == null)) {
       return null;
     }
 
     .set(((a.get() % b.get()) + b.get()) % b.get());
     return ;
   }
 
    // LOG.info("Get input " + a.getClass() + ":" + a + " " + b.getClass() + ":"
    // + b);
    if ((a == null) || (b == null)) {
      return null;
    }
    .set(((a.get() % b.get()) + b.get()) % b.get());
    return ;
  }
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