2717374 - The behavior of ROUND() function is different on IQ15.2

• On IQ15.2:
  

  (DBA)> select c1, round(c1, 1) from MyTable order by c1
  c1 round(MyTable.c1,1)
  ---------------------------------------------
  -0.25 -0.2
  0.25 0.2
  
  (2 rows)

• On IQ15.4 and IQ 16.x:
  

  (DBA)> select c1, round(c1, 1) from MyTable order by c1;
  c1 round(MyTable.c1,1)
  ---------------------------------------------
  -0.25 -0.3
  0.25 0.3
  

  (2 rows)
  
  

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