src/kr_exercises/ch1/s1.2/f_to_c_float.c

   1 /* Desc: simple temperature converter
   2  * Usage: ./s1..f_to_c_float.c
   3  * Ref/Attrib: The C Programming Language, 2nd Edition, Section 1.2
   4  */
   5
   6 #include <stdio.h>
   7 //#include <stdlib.h>
   8
   9 /* print Fahrenheit-Celsius table for fahr = 0, 20, ..., 300 */
  10
  11 int main(){
  12   float fahr, celsius;
  13   int lower, upper, step;
  14
  15   lower =   0;   /* lower limit of temperature table */
  16   upper = 300;   /* upper limit */
  17   step  =  20;   /* step size */
  18
  19   fahr = lower;
  20   printf(" °F,    °C\n");
  21   while (fahr <= upper){
  22     celsius = (5.0/9.0) * (fahr-32.0);
  23     printf("%3.0f,%6.1f\n", fahr, celsius);
  24     fahr = fahr + step;
  25   };
  26
  27
  28   printf("\n\nDone\n\n");
  29   return 0;
  30 };
  31
  32
  33
  34
  35 /*
  36  * Author: Steven Baltakatei Sandoval
  37  * License: GPLv3+
  38  */