diff options
Diffstat (limited to 'activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb')
-rw-r--r-- | activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb | 54 |
1 files changed, 8 insertions, 46 deletions
diff --git a/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb b/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb index 1f013990ea..eb528a0583 100644 --- a/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb +++ b/activesupport/lib/active_support/number_helper/number_to_rounded_converter.rb @@ -1,3 +1,5 @@ +# frozen_string_literal: true + module ActiveSupport module NumberHelper class NumberToRoundedConverter < NumberConverter # :nodoc: @@ -5,26 +7,14 @@ module ActiveSupport self.validate_float = true def convert - precision = options.delete :precision + helper = RoundingHelper.new(options) + rounded_number = helper.round(number) - if precision - case number - when Float, String - @number = BigDecimal(number.to_s) - when Rational - @number = BigDecimal(number, digit_count(number.to_i) + precision) - else - @number = number.to_d - end - - if options.delete(:significant) && precision > 0 - digits, rounded_number = digits_and_rounded_number(precision) + if precision = options[:precision] + if options[:significant] && precision > 0 + digits = helper.digit_count(rounded_number) precision -= digits precision = 0 if precision < 0 # don't let it be negative - else - rounded_number = number.round(precision) - rounded_number = rounded_number.to_i if precision == 0 && rounded_number.finite? - rounded_number = rounded_number.abs if rounded_number.zero? # prevent showing negative zeros end formatted_string = @@ -38,7 +28,7 @@ module ActiveSupport "%00.#{precision}f" % rounded_number end else - formatted_string = number + formatted_string = rounded_number end delimited_number = NumberToDelimitedConverter.convert(formatted_string, options) @@ -47,26 +37,6 @@ module ActiveSupport private - def digits_and_rounded_number(precision) - if zero? - [1, 0] - else - digits = digit_count(number) - multiplier = 10**(digits - precision) - rounded_number = calculate_rounded_number(multiplier) - digits = digit_count(rounded_number) # After rounding, the number of digits may have changed - [digits, rounded_number] - end - end - - def calculate_rounded_number(multiplier) - (number / BigDecimal.new(multiplier.to_f.to_s)).round * multiplier - end - - def digit_count(number) - number.zero? ? 1 : (Math.log10(absolute_number(number)) + 1).floor - end - def strip_insignificant_zeros options[:strip_insignificant_zeros] end @@ -79,14 +49,6 @@ module ActiveSupport number end end - - def absolute_number(number) - number.respond_to?(:abs) ? number.abs : number.to_d.abs - end - - def zero? - number.respond_to?(:zero?) ? number.zero? : number.to_d.zero? - end end end end |