25 lines
706 B
Ruby
25 lines
706 B
Ruby
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module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module Float #:nodoc:
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module Rounding
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def self.included(base) #:nodoc:
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base.class_eval do
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alias_method :round_without_precision, :round
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alias_method :round, :round_with_precision
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end
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end
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# Rounds the float with the specified precision.
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#
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# x = 1.337
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# x.round # => 1
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# x.round(1) # => 1.3
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# x.round(2) # => 1.34
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def round_with_precision(precision = nil)
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precision.nil? ? round_without_precision : (self * (10 ** precision)).round / (10 ** precision).to_f
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end
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end
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end
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end
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end
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