Issue #9316 has been updated by dmarkow (Dylan Markow). =begin The to_f appears to be irrelevant: 2.0.0p353: >> BigDecimal.new("1472.0") / BigDecimal.new("0.99") => 1486.868686869 2.1.0: >> BigDecimal.new("1472.0") / BigDecimal.new("0.99") => 1487.0 =end ---------------------------------------- Bug #9316: BigDecimal division in Ruby 2.1 https://bugs.ruby-lang.org/issues/9316#change-43940 Author: abernardes (Andre Bernardes) Status: Open Priority: Normal Assignee: Category: lib Target version: ruby -v: ruby 2.1.0p0 (2013-12-25 revision 44422) [x86_64-darwin13.0] Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN, 2.1: UNKNOWN =begin When updating an app to Ruby 2.1, and I ran into the following difference between ruby 2.0.0-p353 and ruby 2.1.0 when dividing two BigDecimals: ((*Ruby 2.0.0p353:*)) 2.0.0p353 :002 > (BigDecimal.new("1472.0") / BigDecimal.new("0.99")).to_f => 1486.868686869 ((*Ruby 2.1.0p0:*)) 2.1.0p0 :006 > (BigDecimal.new("1472.0") / BigDecimal.new("0.99")).to_f => 1487.0 =end -- http://bugs.ruby-lang.org/