Class: Scale::Source::Range

Inherits:

Object

• Object
• Scale::Source::Range

Defined in:

lib/scale/source.rb

Overview

Contains logic for dealing with Ruby’s core ::Range as input

Instance Method Summary

• #denominator ⇒ Float
• #initialize(range) ⇒ Range constructor

  A new instance of Range.

• #numerator(input) ⇒ Float

Constructor Details

#initialize(range) ⇒ Range

Returns a new instance of Range.

Parameters:

• range (::Range) —

  A range to operate on

# File 'lib/scale/source.rb', line 12

def initialize(range)
  @range = range
end

Instance Method Details

#denominator ⇒ Float

Returns:

• (Float)

# File 'lib/scale/source.rb', line 23

def denominator
  (@range.last - @range.first).abs.to_f
end

#numerator(input) ⇒ Float

Parameters:

• input (Numeric)

Returns:

• (Float)

# File 'lib/scale/source.rb', line 18

def numerator(input)
  (input - @range.first).to_f
end