Class: Maths::Formatter

Inherits:
Object
  • Object
show all
Defined in:
lib/maths/formatter.rb

Class Method Summary collapse

Class Method Details

.big_d_to_rational(val) ⇒ Object

Public: Converts a BigDecimal to either a float or an int, depending on its precision



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# File 'lib/maths/formatter.rb', line 24

def self.big_d_to_rational(val)
  if val.frac == 0
    val.to_i
  else
    val.to_f
  end
end

.format(val) ⇒ Object

Public: Formats values for us to output.



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# File 'lib/maths/formatter.rb', line 4

def self.format(val)
  if val.nil?
    output = "Undefined"
  elsif !val.is_a?(Numeric)
    output = val.to_s
  elsif val.frac == 0
    output = val.to_i.to_s
  else
    output = val.to_s("F")
  end
  
  if val.is_a?(Percentage)
    output += "%"
  end
  
  output
end