1) double fahrenheitToCelsius(double f) This function should convert the supplie

Question

1) double fahrenheitToCelsius(double f)

This function should convert the supplied Fahrenheit value into its Celsius equivalent. The formula for doing so is:

2) double kelvinToCelsius(double k)

This function should convert the supplied Kelvin value into its Celsius equivalent. The formula for doing so is:

3) double getTemperature(TemperatureScale_t scale) const

This function returns the internal representation of the temperature, stored in Celsius, to the requested temperature scale.

4) void addTemperature(double temperature, TemperatureScale_t scale)

This function adds the specified temperature, using the specified scale, to the current temperature.

5) void subtractTemperature(double temperature, TemperatureScale_t scale)

This function subtracts the specified temperature, using the specified scale, to the from the current temperature.

6) string toString(TemperatureScale_t output_scale = Celsius)

This function converts the Temperature into its string representation. The conversion to Celsius is already provided and can be used as a template for outputting as Fahrenheit and Kelvin.

Explanation / Answer

#include<iostream>
using namespace std;
enum TemperatureScale_t{Celsius,Fahrenheit, Kelvin};
class Temperature
{
private:
double temperature;
public:
Temperature(double p=0)
{
temperature = p;
}
double fahrenheitToCelsius(double f)
{
return ((5.0/9.0)*(f-32));
}
double kelvinToCelsius(double k)
{
return (k-273.15);
}
double getTemperature(TemperatureScale_t scale) const
{
if(scale==Celsius) return temperature; // temperature stored in celsius.
else if(scale == Fahrenheit) return (32+ 9*temperature/5);
else if(scale == Kelvin) return temperature+273.15;
}
void addTemperature(double temperature, TemperatureScale_t scale)
{
if(scale==Celsius)
this->temperature = this->temperature+temperature;
else if(scale == Fahrenheit)
this->temperature = this->temperature + (32+ 9*temperature/5);
else if(scale == Kelvin)
this->temperature = this->temperature+temperature+273.15;
}
void subtractTemperature(double temperature, TemperatureScale_t scale)
{
if(scale==Celsius)
this->temperature = this->temperature-temperature;
else if(scale == Fahrenheit)
this->temperature = this->temperature - (32+ 9*temperature/5);
else if(scale == Kelvin)
this->temperature = this->temperature-temperature+273.15;
}
string toString(TemperatureScale_t output_scale = Celsius)
{
if(output_scale==Celsius)
cout << this->temperature << Celsius << endl;
else if(output_scale == Fahrenheit)
cout << this->temperature << Fahrenheit << endl;
else if(output_scale == Kelvin)
cout << this->temperature << Kelvin << endl;
}
};
int main()
{
Temperature T1(234);
cout << T1.getTemperature(Kelvin);
return 0;
}

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