/*********************
 * Name: Geoff Towell
 * Purpose: Convert Celcius to Fahrenheit
 * Wrttten: August 5, 2019
 * Modified:
 *********************/

#include <stdio.h>
#define FREEZING 32.0f
#define SCALE 1.8f
#define CC(v) (FREEZING + SCALE*v)

int main(void)
{
    float f;
    float c;
    printf("Enter a Celcius temperature: ");
    scanf("%f", &c);  // use %lf for double
    f = CC(c);
    printf("%d: Celcius: %.1f  Fahrenheit: %.1f\n", i, c, f);
    return 0;
}