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

   1 /* Desc: simple temperature converter
   2  * Usage: ./s1..c_to_f_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 Celsius-Fahrenheit table for celsius = -50, -40, ..., 100 */
  10
  11 int main(){
  12   float fahr, celsius;
  13   int lower, upper, step;
  14
  15   lower = -50;   /* lower limit of temperature table */
  16   upper = 100;   /* upper limit */
  17   step  =   5;   /* step size */
  18
  19   celsius = lower;
  20   printf(" °C,    °F\n");
  21   while (celsius <= upper){
  22     fahr = (celsius * (9.0 / 5.0))  + 32.0;
  23     printf("%3.0f,%7.2f\n", celsius, fahr);
  24     celsius = celsius + 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  */