method

round

Ruby on Rails latest stable (v6.1.7.7) - 0 notes - Class: Float

1.0.0
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3.0.0 (0)
3.0.9 (-4)
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What's this?

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

These similar methods exist in v6.1.7.7:

ActiveSupport::NumberHelper::RoundingHelper#round
ActiveModel::Validations::NumericalityValidator#round

round(precision = nil) public

Rounds the float with the specified precision.

x = 1.337
x.round    # => 1
x.round(1) # => 1.3
x.round(2) # => 1.34

Show source

# File activesupport/lib/active_support/core_ext/float/rounding.rb, line 11
  def round(precision = nil)
    if precision
      magnitude = 10.0 ** precision
      (self * magnitude).round / magnitude
    else
      precisionless_round
    end
  end

round

Related methods

Method deprecated or moved

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