Class: TempConverterGem::Convert

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

Class Method Summary collapse

Class Method Details

.to_celsius(scale, temp) ⇒ Object 



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# File 'lib/temp_converter_gem.rb', line 8

def to_celsius(scale, temp)
  case scale 
  when :fahrenheit, :f 
    return (temp - 32) / 1.8 
  when :kelvin, :k
    return (temp - 273.15)
  else 
    raise ArgumentError, "Invalid scale"
  end 
end

.to_fahrenheit(scale, temp) ⇒ Object 



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# File 'lib/temp_converter_gem.rb', line 19

def to_fahrenheit(scale, temp)
  case scale 
  when :celsius, :c 
    return (temp * 1.8) + 32 
  when :kelvin, :k
    return ((temp - 273.15) * 1.8) + 32
  else 
    raise ArgumentError, "Invalid scale"
  end
end

.to_kelvin(scale, temp) ⇒ Object 



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# File 'lib/temp_converter_gem.rb', line 30

def to_kelvin(scale, temp)
  case scale 
  when :fahrenheit, :f 
    return temp + 273.15
  when :celsius, :c 
    return ((temp - 32) / 1.8) + 273.15
  else 
    raise ArgumentError, "Invalid scale"
  end 
end