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