title: BigDecimal rounding mode issue
body: <p>I need to get these results using BigDecimal roundingmode.xxx and setScale(2) : </p>
  
  <pre><code>(5.789).setScale(2, RoundingMode.xxx) = 5.79
  
  (2.894).setScale(2, RoundingMode.xxx) = 2.89
  
  (2.895).setScale(2, RoundingMode.xxx) = 2.89
  </code></pre>
  
  <p>Where RoundingMode.xxx <strong>has to be same for the three given values</strong>.</p>
  
  <p>Ive tried all combinations but with no success and Microsoft Excel set the three results with success.</p>