mirror of
https://github.com/TheAlgorithms/Ruby
synced 2024-12-26 21:58:56 +01:00
72 lines
2.4 KiB
Ruby
72 lines
2.4 KiB
Ruby
# A ruby program for temperature conversions
|
|
|
|
module TemperatureConversion
|
|
# celsius -> kelvin = value of celsius + 273.15 => K
|
|
def self.celsius_to_kelvin(celsius_input)
|
|
kelvin_output = (celsius_input + 273.15).round(2)
|
|
puts "#{celsius_input}°C = #{kelvin_output}K"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
|
|
# kelvin -> celsius = vale of kelvin - 273.15 => °C
|
|
def self.kelvin_to_celsius(kelvin_input)
|
|
celsius_output = (kelvin_input - 273.15).round(2)
|
|
puts "#{kelvin_input}K = #{celsius_output}°C"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
|
|
# celsius -> fahrenheit = (value of celsius * 9 / 5) + 32 => °F
|
|
def self.celsius_to_fahrenheit(celsius_input)
|
|
fahrenheit_output = ((celsius_input * 9 / 5) + 32).round(2)
|
|
puts "#{celsius_input}°C = #{fahrenheit_output}°F"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
|
|
# fahrenheit -> celsius = (value of fahrenheit - 32) * 5 / 9 => °C
|
|
def self.fahrenheit_to_celsius(fahrenheit_input)
|
|
celsius_output = ((fahrenheit_input - 32) * 5 / 9).round(2)
|
|
puts "#{fahrenheit_input}°F = #{celsius_output}°C"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
|
|
# fahrenheit -> kelvin = [(value of fahrenheit - 32) * 5 / 9] + 273.15 => K
|
|
def self.fahrenheit_to_kelvin(fahrenheit_input)
|
|
kelvin_output = ((fahrenheit_input - 32) * 5 / 9).round(2).round(2)
|
|
puts "#{fahrenheit_input}°F = #{kelvin_output}K"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
|
|
# kelvin -> fahrenheit = [(value of kelvin - 32) * 5 / 9] + 273.15 => K
|
|
def self.kelvin_to_fahrenheit(kelvin_input)
|
|
fahrenheit_output = (((kelvin_input - 273.15) * 9 / 5) + 32).round(2).round(2)
|
|
puts "#{kelvin_input}K = #{fahrenheit_output}°F"
|
|
rescue StandardError
|
|
puts 'Error: Please provide number only!'
|
|
end
|
|
end
|
|
|
|
# celsius <-> kelvin
|
|
TemperatureConversion.celsius_to_kelvin(20)
|
|
TemperatureConversion.kelvin_to_celsius(20)
|
|
|
|
# Invalid input
|
|
TemperatureConversion.kelvin_to_celsius('a')
|
|
|
|
# celsius <-> fahrenheit
|
|
TemperatureConversion.celsius_to_fahrenheit(-20)
|
|
TemperatureConversion.fahrenheit_to_celsius(68)
|
|
|
|
# Invalid input
|
|
TemperatureConversion.celsius_to_fahrenheit('abc')
|
|
|
|
# fahrenheit <-> kelvin
|
|
TemperatureConversion.fahrenheit_to_kelvin(60)
|
|
TemperatureConversion.kelvin_to_fahrenheit(-60)
|
|
|
|
# Invalid input
|
|
TemperatureConversion.fahrenheit_to_kelvin('60')
|