Package org.apache.pig.piggybank.evaluation.math

Examples of org.apache.pig.piggybank.evaluation.math.ATAN.exec()


   public void testATAN() throws Exception {
          EvalFunc<DataAtom> ATAN = new ATAN();
          Tuple tup = new Tuple(1);
          tup.setField(0, 0.5);
          DataAtom output = new DataAtom();
          ATAN.exec(tup, output);
          double expected = Math.atan(0.5);
          double actual = (new Double(output.strval())).doubleValue();
          assertEquals(actual, expected, delta);
      }
  
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