Module: TemperatureConversion

Included in:
UnitConversion
Defined in:
lib/unit_conversion/temperature_conversion.rb

Instance Method Summary collapse

Instance Method Details

#to_celcius ⇒ Object 



14
15
16
17
18
19
20
21
22
 
# File 'lib/unit_conversion/temperature_conversion.rb', line 14

def to_celcius
  if @unit == 'kelvin'
    @measurement -= 273.15
  else
    self.to_kelvin
    @unit = 'kelvin'
    self.to_celcius
  end
end

#to_fahrenheit ⇒ Object 



24
25
26
27
28
29
30
31
32
 
# File 'lib/unit_conversion/temperature_conversion.rb', line 24

def to_fahrenheit
  if @unit == 'kelvin'
    @measurement = (@measurement * 9 / 5.0) - 459.67
  else
    self.to_kelvin
    @unit = 'kelvin'
    self.to_fahrenheit
  end
end

#to_kelvin ⇒ Object

Proxy = Kelvin



3
4
5
6
7
8
9
10
11
12
 
# File 'lib/unit_conversion/temperature_conversion.rb', line 3

def to_kelvin
  case @unit
  when 'celcius'
    @measurement += 273.15
  when 'rankine'
    @measurement /= 1.8
  when 'fahrenheit'
    @measurement = (@measurement + 459.67) * 5 / 9
  end
end

#to_rankine ⇒ Object 



34
35
36
37
38
39
40
41
42
 
# File 'lib/unit_conversion/temperature_conversion.rb', line 34

def to_rankine
  if @unit == 'kelvin'
    @measurement *= 1.8
  else
    self.to_kelvin
    @unit = 'kelvin'
    self.to_rankine
  end
end