Class: M9t::Temperature

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/m9t/temperature.rb

Overview

Represents a temperature Using degrees (celcius), not kelvin, as default unit

Constant Summary collapse

DEFAULT_OPTIONS = 
{
  units: :degrees, abbreviated: false, precision: 5
}
CONVERSIONS = 
{
  degrees:   1.0,
  kelvin:    nil,
  fahrenheit: nil
}
ABSOLUTE_ZERO =

Conversions

-273.15

Instance Attribute Summary

Attributes included from Base

#options, #value

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Base

add_options, generate_conversions, included, #initialize, #method_missing, #respond_to?, #to_s

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class M9t::Base

Class Method Details

.fahrenheit(fahrenheit) ⇒ Object 



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# File 'lib/m9t/temperature.rb', line 27

def fahrenheit(fahrenheit)
  new(fahrenheit_to_degrees(fahrenheit))
end

.fahrenheit_to_degrees(fahrenheit) ⇒ Object

Converts Fahrenheit to degrees



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# File 'lib/m9t/temperature.rb', line 47

def fahrenheit_to_degrees(fahrenheit)
  (fahrenheit.to_f - 32) * 5.0 / 9.0
end

.kelvin(kelvin) ⇒ Object

Accepts a value in kelvin and returns the equivalent M9t::Temperature



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# File 'lib/m9t/temperature.rb', line 23

def kelvin(kelvin)
  new(kelvin.to_f + ABSOLUTE_ZERO)
end

.kelvin_to_degrees(kelvin) ⇒ Object

Converts kelvin to degrees



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# File 'lib/m9t/temperature.rb', line 42

def kelvin_to_degrees(kelvin)
  kelvin.to_f + ABSOLUTE_ZERO
end

.to_fahrenheit(degrees) ⇒ Object

Converts degrees to Fahrenheit



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# File 'lib/m9t/temperature.rb', line 37

def to_fahrenheit(degrees)
  degrees.to_f * 9.0 / 5.0 + 32
end

.to_kelvin(degrees) ⇒ Object

Converts degrees to kelvin



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# File 'lib/m9t/temperature.rb', line 32

def to_kelvin(degrees)
  degrees.to_f - ABSOLUTE_ZERO
end

Instance Method Details

#to_fahrenheit ⇒ Object 



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# File 'lib/m9t/temperature.rb', line 59

def to_fahrenheit
  self.class.to_fahrenheit(@value)
end

#to_kelvin ⇒ Object

Returns the value converted to kilometers



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# File 'lib/m9t/temperature.rb', line 55

def to_kelvin
  self.class.to_kelvin(@value)
end