Package org.apache.pig.data

Examples of org.apache.pig.data.DataAtom.strval()

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          Tuple tup = new Tuple(1);
          tup.setField(0, 0.5);
          DataAtom output = new DataAtom();
          LOG.exec(tup, output);
          double expected = Math.log(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
   }
  
   public void testLOG10() throws Exception{
       EvalFunc<DataAtom> LOG10 = new LOG10();
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          Tuple tup = new Tuple(1);
          tup.setField(0, 0.5);
          DataAtom output = new DataAtom();
          LOG10.exec(tup, output);
          double expected = Math.log10(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
   }
  
   public void testLOG1P() throws Exception{
       EvalFunc<DataAtom> LOG1P = new LOG1P();
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          Tuple tup = new Tuple(1);
          tup.setField(0, 0.5);
          DataAtom output = new DataAtom();
          LOG1P.exec(tup, output);
          double expected = Math.log1p(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
   }
  
   public void testMAX() throws Exception {
          EvalFunc<DataAtom> MAX = new MAX();
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          tup.setField(0, -0.5);
          tup.setField(1,0.6);
          DataAtom output = new DataAtom();
          MAX.exec(tup, output);
          double expected = Math.max(-0.5,0.6);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
   public void testMIN() throws Exception {
          EvalFunc<DataAtom> MIN = new MIN();
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          tup.setField(0, -0.5);
          tup.setField(1,0.6);
          DataAtom output = new DataAtom();
          MIN.exec(tup, output);
          double expected = Math.min(-0.5,0.6);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
   public void testnextAfter() throws Exception {
          EvalFunc<DataAtom> nextAfter = new nextAfter();
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          tup.setField(0, -0.5);
          tup.setField(1,0.6);
          DataAtom output = new DataAtom();
          nextAfter.exec(tup, output);
          double expected = Math.nextAfter(-0.5,0.6);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
  
   public void testPOW() throws Exception {
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          tup.setField(0, 0.5);
          tup.setField(1,0.6);
          DataAtom output = new DataAtom();
          POW.exec(tup, output);
          double expected = Math.pow(0.5,0.6);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
  
   public void testRINT() throws Exception{
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          Tuple tup = new Tuple(1);
          tup.setField(0, -0.5);
          DataAtom output = new DataAtom();
          RINT.exec(tup, output);
          double expected = Math.rint(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
   }
  
   public void testROUND() throws Exception{
       EvalFunc<DataAtom> ROUND = new ROUND();
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          Tuple tup = new Tuple(1);
          tup.setField(0, 0.5);
          DataAtom output = new DataAtom();
          ROUND.exec(tup, output);
          double expected = Math.round(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
   }
  
   public void testSCALB() throws Exception {
          EvalFunc<DataAtom> SCALB = new SCALB();
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          tup.setField(0, 1);
          tup.setField(1,2);
          DataAtom output = new DataAtom();
          SCALB.exec(tup, output);
          double expected = Math.scalb(1,2);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
   public void testSIGNUM() throws Exception{
       EvalFunc<DataAtom> SIGNUM = new SIGNUM();
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