1 /* Ejercicio 4 - Guia 2, Algoritmos y Programacion I - FIUBA */ 2 3 4 #include <stdio.h> 5 #include <stdlib.h> 6 7 #define MAX_INP_LEN 10 8 9 typedef enum { 10 FAHRENHEIT, 11 CELSIUS 12 } escala_t; 13 14 typedef float dato_t; 15 16 dato_t ftoc(dato_t fahrenheit) 17 { 18 return (((fahrenheit - 32) *5 ) / 9); 19 } 20 21 dato_t ctof(dato_t celsius) 22 { 23 return (((celsius * 9) / 5) + 32); 24 } 25 26 void title(int i) 27 { 28 printf( 29 "---------------------------------------\n" 30 "---------------------------------------\n" 31 "--- %s TO %s CONVERTER ---\n" 32 "---------------------------------------\n" 33 "--- to exit press Ctrl+D ----\n" 34 "---------------------------------------\n" 35 "---------------------------------------\n", 36 i ? "CELSIUS" : "FAHRENHEIT", 37 i ? "FAHRENHEIT" : "CELSIUS" 38 ); 39 } 40 41 void cursor() 42 { 43 printf(">> "); 44 } 45 46 47 48 int main(void) 49 { 50 char buffer[MAX_INP_LEN]; 51 escala_t c; 52 dato_t i, res; 53 printf("0 - FAHRENHEIT TO CELSIUS\n"); 54 printf("1 - CELSIUS TO FAHRENHEIT\n"); 55 cursor(); 56 c = getchar() - '0'; 57 if (c == FAHRENHEIT) { 58 title(FAHRENHEIT); 59 while (fgets(buffer, MAX_INP_LEN, stdin) != NULL) { 60 i = atoi(buffer); 61 res = ftoc(i); 62 printf("%.0f°F = %.2f°C\n", i, res); 63 cursor(); 64 } 65 } else if (c == CELSIUS) { 66 title(CELSIUS); 67 while (fgets(buffer, MAX_INP_LEN, stdin) != NULL) { 68 i = atoi(buffer); 69 res = ctof(i); 70 printf("%.0f°C = %.2f°F\n", i, res); 71 cursor(); 72 } 73 } 74 printf("\n"); 75 return 0; 76 } 77 78 79
