You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: location.rb
    path of file: ./repos/picky/server/lib/picky/calculations
    
    the code of the file until where you have to start completion: module Picky

  module Calculations

    # A location calculation recalculates a 1-d location

    
      def initialize user_grid, anchor = 0.0, precision = nil
        @user_grid  = user_grid
        @precision  = precision || 1
        @grid       = @user_grid / (@precision + 0.5)

        self.anchor = anchor
      end