Simple library for converting temperatures from Celsius to Fahrenheit and vice versa.

temperature.c

#include "temperature.h"

#include <math.h>

float to_fahrenheit(float celsius) {
    float fahrenheit;
    fahrenheit = roundf( ( (celsius * (9.00f/5.00f)) + 32.00f ) * 100.00f ) / 100.00f;
    return fahrenheit;
}

float to_celsius(float fahrenheit) {
    float celsius;
    celsius = roundf( ( (fahrenheit - 32.00f) * (5.00f/9.00f) ) * 100.00f ) / 100.00f;
    return celsius;
}

temperature.h

#ifndef LIBTEMP_LIBRARY_H
#define LIBTEMP_LIBRARY_H

float to_fahrenheit(float);
float to_celsius(float);

#endif