Module: ActiveSupport::CoreExtensions::BigDecimal::Conversions

Included in:
BigDecimal
Defined in:
lib/active_support/core_ext/bigdecimal/conversions.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object

:nodoc:


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# File 'lib/active_support/core_ext/bigdecimal/conversions.rb', line 7

def self.included(base) #:nodoc:
  base.instance_eval do
    alias_method :_original_to_s, :to_s
    alias_method :to_s, :to_formatted_s
  end
end

Instance Method Details

#to_formatted_s(format = "F") ⇒ Object


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# File 'lib/active_support/core_ext/bigdecimal/conversions.rb', line 14

def to_formatted_s(format="F")
  _original_to_s(format)
end

#to_yaml(opts = {}) ⇒ Object


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# File 'lib/active_support/core_ext/bigdecimal/conversions.rb', line 19

def to_yaml( opts = {} )
  YAML::quick_emit( nil, opts ) do |out|
    # This emits the number without any scientific notation.
    # I prefer it to using self.to_f.to_s, which would lose precision.
    #
    # Note that YAML allows that when reconsituting floats
    # to native types, some precision may get lost.
    # There is no full precision real YAML tag that I am aware of.
    str = self.to_s
    if str == "Infinity"
      str = ".Inf"
    elsif str == "-Infinity"
      str = "-.Inf"
    elsif str == "NaN"
      str = ".NaN"
    end
    out.scalar( "tag:yaml.org,2002:float", str, :plain )
  end
end