From f71809f25761440cbec9463bbc082987c90a471b Mon Sep 17 00:00:00 2001 From: Don Wilson Date: Fri, 17 Dec 2010 09:56:03 -0700 Subject: Fixed number_with_precision rounding error [#6182 state:resolved] --- actionpack/lib/action_view/helpers/number_helper.rb | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'actionpack/lib/action_view') diff --git a/actionpack/lib/action_view/helpers/number_helper.rb b/actionpack/lib/action_view/helpers/number_helper.rb index a9400c347f..26f8dce3c3 100644 --- a/actionpack/lib/action_view/helpers/number_helper.rb +++ b/actionpack/lib/action_view/helpers/number_helper.rb @@ -270,12 +270,13 @@ module ActionView digits, rounded_number = 1, 0 else digits = (Math.log10(number.abs) + 1).floor - rounded_number = BigDecimal.new((number / 10 ** (digits - precision)).to_s).round.to_f * 10 ** (digits - precision) + rounded_number = (BigDecimal.new(number.to_s) / BigDecimal.new((10 ** (digits - precision)).to_f.to_s)).round.to_f * 10 ** (digits - precision) + digits = (Math.log10(rounded_number.abs) + 1).floor # After rounding, the number of digits may have changed end precision -= digits precision = precision > 0 ? precision : 0 #don't let it be negative else - rounded_number = BigDecimal.new((number * (10 ** precision)).to_s).round.to_f / 10 ** precision + rounded_number = BigDecimal.new(number.to_s).round(precision).to_f end formatted_number = number_with_delimiter("%01.#{precision}f" % rounded_number, options) if strip_insignificant_zeros -- cgit v1.2.3