temp_conversion_2.c

/* Second provided example of temperature conversion table - changes include declaring far and celsius to be float, and the formula being written in a more "natural" way. */

#include <stdio.h>

/* print Farenheit-Celsius table
    for fahr = 0, 20, ..., 300; floating point version */

main()
{
    float fahr, celsius;
    int lower, upper, step;

    lower = 0;      /* lower limit of temperature table */
    upper = 300;    /* upper limit */
    step = 20;      /* step size */

    fahr = lower;
    while (fahr <= upper) {
        celsius = (5.0/9.0) * (fahr-32.0);
        printf("%3.0f %6.1f\n", fahr, celsius);
        fahr = fahr + step;
    }
}