Write a program that converts Centigrade to Fahrenheit.
F = (9/5)C + 32

Note: the math is totally broken if you use integers. For example given int(100) as centigrade, integer math states the answer is 132F, which is far from the correct answer (212F).

/**********************************************************************
 * Write a program that converts Centigrade to Fahrenheit.
 * F = (9/5)C + 32
 *
 * Note: the math is totally broken if you use integers. For example
 * given int(100) as centigrade, integer math states the answer is
 * 132F, which is far from the correct answer (212F).
 **********************************************************************/

#include <stdio.h>

float fahrenheit;     /* degrees fahrenheit */
float centigrade;     /* degrees centigrade */
char line[50];        /* a line of input */

int main() {
  printf("Enter a temperature (in C): ");
  fgets(line, sizeof(line), stdin);
  sscanf(line, "%f", &centigrade);

  fahrenheit = ((9.0 / 5.0) * centigrade) + 32.0;
  printf("%f degrees Fahrenheit.\n", fahrenheit);

  return(0);
}

/*

OUTPUT:
Enter a temperature (in C): 37
98.599998 degrees Fahrenheit.


*/