Temperature Converter

Starred Gists，GitHub Gist，即时分享代码、笔记与代码片段。关注

	namespace Temperatures;

	public enum TemperatureUnit
	{
	Kelvin,
	Celsius,
	Fahrenheit,
	Rankine
	}

	public readonly struct Temperature : IEquatable, IComparable
	{
	public double Kelvin { get; }


	Temperature(double kelvin)
	{
	if (!double.IsFinite(kelvin) \|\| kelvin < 0D)
	{
	throw new ArgumentOutOfRangeException(nameof(kelvin),
	$"[Error] [Temperatures.Temperature]: {nameof(kelvin)} out of range. Value: {kelvin} K. Expected: >= 0 K.");
	}

	Kelvin = kelvin;
	}


	public Temperature(double value, TemperatureUnit temperatureUnit)
	{
	switch (temperatureUnit)
	{
	case TemperatureUnit.Kelvin:
	{
	if (!TryFromKelvin(value, out Temperature result))
	{
	throw new ArgumentOutOfRangeException(nameof(value),
	$"[Error] [Temperatures.Temperature]: {nameof(value)} out of range. Value: {value} K. Expected: >= 0 K.");
	}

	Kelvin = result.Kelvin;

	break;
	}

	case TemperatureUnit.Celsius:
	{
	if (!TryFromCelsius(value, out Temperature result))
	{
	throw new ArgumentOutOfRangeException(nameof(value),
	$"[Error] [Temperatures.Temperature]: {nameof(value)} out of range. Value: {value} C, {CelsiusToKelvin(value)} K. Expected: >= 0 K.");
	}

	Kelvin = result.Kelvin;

	break;
	}

	case TemperatureUnit.Fahrenheit:
	{
	if (!TryFromFahrenheit(value, out Temperature result))
	{
	throw new ArgumentOutOfRangeException(nameof(value),
	$"[Error] [Temperatures.Temperature]: {nameof(value)} out of range. Value: {value} F, {FahrenheitToKelvin(value)} K. Expected: >= 0 K.");
	}

	Kelvin = result.Kelvin;

	break;
	}

	case TemperatureUnit.Rankine:
	{
	if (!TryFromRankine(value, out Temperature result))
	{
	throw new ArgumentOutOfRangeException(nameof(value),
	$"[Error] [Temperatures.Temperature]: {nameof(value)} out of range. Value: {value} R, {RankineToKelvin(value)} K. Expected: >= 0 K.");
	}

	Kelvin = result.Kelvin;

	break;
	}

	default:
	{
	throw new ArgumentOutOfRangeException(nameof(temperatureUnit),
	$"[Error] [Temperatures.Temperature]: {nameof(temperatureUnit)} out of range. Value: {temperatureUnit}. Expected: {TemperatureUnit.Kelvin} (0), {TemperatureUnit.Celsius} (1), {TemperatureUnit.Fahrenheit} (2), {TemperatureUnit.Rankine} (3).");
	}
	}
	}


	public double Celsius => Kelvin - 273.15D;
	public double Fahrenheit => Kelvin * 1.8D - 459.67D;
	public double Rankine => Kelvin * 1.8D;


	public static double CelsiusToKelvin(double value) => value + 273.15D;
	public static double FahrenheitToKelvin(double value) => (value + 459.67D) / 1.8D;
	public static double RankineToKelvin(double value) => value / 1.8D;


	public static Temperature FromKelvin(double value) => new(value);
	public static Temperature FromCelsius(double value) => new(value + 273.15D);
	public static Temperature FromFahrenheit(double value) => new((value + 459.67D) / 1.8D);
	public static Temperature FromRankine(double value) => new(value / 1.8D);


	public static bool TryFromKelvin(double value, out Temperature result)
	{
	if (!double.IsFinite(value) \|\| value < 0D)
	{
	result = default;

	return false;
	}


	result = new Temperature(value);

	return true;
	}

	public static bool TryFromCelsius(double value, out Temperature result) => TryFromKelvin(value + 273.15D, out result);
	public static bool TryFromFahrenheit(double value, out Temperature result) => TryFromKelvin((value + 459.67D) / 1.8D, out result);
	public static bool TryFromRankine(double value, out Temperature result) => TryFromKelvin(value / 1.8D, out result);


	public static Temperature operator +(Temperature temperatureOne, Temperature temperatureTwo) => FromKelvin(temperatureOne.Kelvin + temperatureTwo.Kelvin);
	public static Temperature operator -(Temperature temperatureOne, Temperature temperatureTwo) => FromKelvin(temperatureOne.Kelvin - temperatureTwo.Kelvin);

	public static Temperature operator (Temperature temperature, double scalar) => FromKelvin(temperature.Kelvin scalar);
	public static Temperature operator (double scalar, Temperature temperature) => FromKelvin(scalar temperature.Kelvin);
	public static Temperature operator /(Temperature temperature, double scalar) => FromKelvin(temperature.Kelvin / scalar);
	public static Temperature operator %(Temperature temperature, double scalar) => FromKelvin(temperature.Kelvin % scalar);

	public static double operator /(double scalar, Temperature temperature) => scalar / temperature.Kelvin;
	public static double operator %(double scalar, Temperature temperature) => scalar % temperature.Kelvin;

	public static double operator (Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin temperatureTwo.Kelvin;
	public static double operator /(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin / temperatureTwo.Kelvin;
	public static double operator %(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin % temperatureTwo.Kelvin;

	public static Temperature operator ++(Temperature temperature) => FromKelvin(temperature.Kelvin + 1);
	public static Temperature operator --(Temperature temperature) => FromKelvin(temperature.Kelvin - 1);

	public static bool operator ==(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin == temperatureTwo.Kelvin;
	public static bool operator !=(Temperature temperatureOne, Temperature temperatureTwo) => !(temperatureOne == temperatureTwo);

	public static bool operator <(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin < temperatureTwo.Kelvin;
	public static bool operator >(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin > temperatureTwo.Kelvin;

	public static bool operator <=(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin <= temperatureTwo.Kelvin;
	public static bool operator >=(Temperature temperatureOne, Temperature temperatureTwo) => temperatureOne.Kelvin >= temperatureTwo.Kelvin;


	public bool Equals(Temperature other) => Kelvin == other.Kelvin;
	public int CompareTo(Temperature other) => Kelvin.CompareTo(other.Kelvin);

	public override bool Equals(object? obj) => obj is Temperature temperature && Equals(temperature);
	public override int GetHashCode() => Kelvin.GetHashCode();


	public override string ToString() => $"{Kelvin} K";

	public string ToString(TemperatureUnit temperatureUnit) => temperatureUnit switch
	{
	TemperatureUnit.Kelvin => $"{Kelvin} K",
	TemperatureUnit.Celsius => $"{Celsius} C",
	TemperatureUnit.Fahrenheit => $"{Fahrenheit} F",
	TemperatureUnit.Rankine => $"{Rankine} R",

	_ => throw new ArgumentOutOfRangeException(nameof(temperatureUnit),
	$"[Error] [Temperatures.Temperature]: {nameof(temperatureUnit)} out of range. Value: {temperatureUnit}. Expected: {TemperatureUnit.Kelvin} (0), {TemperatureUnit.Celsius} (1), {TemperatureUnit.Fahrenheit} (2), {TemperatureUnit.Rankine} (3).")
	};


	public double Get(TemperatureUnit temperatureUnit) => temperatureUnit switch
	{
	TemperatureUnit.Kelvin => Kelvin,
	TemperatureUnit.Celsius => Celsius,
	TemperatureUnit.Fahrenheit => Fahrenheit,
	TemperatureUnit.Rankine => Rankine,

	_ => throw new ArgumentOutOfRangeException(nameof(temperatureUnit),
	$"[Error] [Temperatures.Temperature]: {nameof(temperatureUnit)} out of range. Value: {temperatureUnit}. Expected: {TemperatureUnit.Kelvin} (0), {TemperatureUnit.Celsius} (1), {TemperatureUnit.Fahrenheit} (2), {TemperatureUnit.Rankine} (3).")
	};

	public float GetFloat(TemperatureUnit temperatureUnit)
	{
	return (float)Get(temperatureUnit);
	}
	}

添加评论

点踩

分享查看原文

参与讨论