Bug #4567


Added by semmons99 (Shane Emmons) over 9 years ago. Updated over 9 years ago.

Target version:
ruby -v:
ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-darwin10.7.1]


SImilar to the issue here [[[]]], BigDecimal::ROUND_HALF_DOWN does not respect all the digits involved in the rounding of a number. For example:

(({BigDecimal("1.51").round(0, BigDecimal::ROUND_HALF_DOWN) == BigDecimal("2")})) returns false because it is ignoring the "1". The same fix that was done for ROUND_HALF_EVEN will need to be done here. I believe it has already been fixed in 1.9.3dev, so it should only need to be backported to 1.9.2 and 1.8.7.

Related issues

Is duplicate of Backport193 - Backport #3803: BigDecimal::ROUND_HALF_DOWN/ROUND_HALF_EVEN behave incorrectly (disagree with JRuby and the rest of the world)Closedyugui (Yuki Sonoda)09/08/2010Actions

Updated by mrkn (Kenta Murata) over 9 years ago

  • Status changed from Open to Assigned
  • Assignee set to mrkn (Kenta Murata)



Updated by nahi (Hiroshi Nakamura) over 9 years ago

  • Target version changed from 1.9.2 to 1.9.3

Updated by semmons99 (Shane Emmons) over 9 years ago

Issue 3803 already handles this case. This issue can be closed with a reference to 3803.

Updated by mrkn (Kenta Murata) over 9 years ago

  • Status changed from Assigned to Closed
  • Target version changed from 1.9.3 to 1.9.2

thank you for the notice, Shane.

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