PK97049: BIGDECIMAL.ROUND_HALF_DOWN AND BIGDECIMAL.ROUND_HALF_EVEN RETURNS WRONG VALUE.

APAR status

• Closed as program error.

Error description

• Error Message: BIGDECIMAL.ROUND_HALF_DOWN and
  BIGDECIMAL.ROUND_HALF_EVEN RETURNS WRONG VALUE.
  .
  Stack Trace: N/A
  .
  N/A
  

Local fix

• N/A
  

Problem summary

• ROUND HALF DOWN and ROUND HALF EVEN modes of BigDecimal.java not
  working properly.Two issues :-
  1) When the divisor is negative, its not taking care of the
  signs in all cases for ROUND HALF DOWN and ROUND HALF EVEN.
  2) Long overflow of an intermittent value used in computing
  ROUND_HALF_DOWN rounding or ROUND_HALF_EVEN rounding invoking
  ROUND_HALF_DOWN rounding.
  

Problem conclusion

• This defect will be fixed in:
  1.4.2 SR13-FP3
  .
  The BigDecimal code has been updated to take care of signs in
  all cases for ROUND HALF DOWN and ROUND HALF EVEN.
  The BigDecimal code also has been updated to avoid overflow of
  an intermittent value used in computing ROUND_HALF_DOWN and
  ROUND_HALF_EVEN rounding invoking ROUND_HALF_DOWN rounding.
  .
  To obtain the fix:
  Install build 20091018 or later
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

  PK97884

Fix information

• Fixed component name

  JAVA(1.3/1.4 CO

• Fixed component ID

  5648C9800

Applicable component levels

• R42A PSN

     UP

• R42L PSN

     UP

• R42W PSN

     UP

• R420 PSN

     UP