1 #include <stdio.h> 2 #include <stdlib.h> 3 4 5 int main()6main() { 7 int i; 8 int j; 9 10 srand(12345); 11 for (i = 0; i < 25; ++i) { 12 for (j = 0; j < 5; ++j) { 13 double d = rand() / (double)rand(); 14 long double ld = d; 15 16 printf("%f=%Lf ", d, ld); 17 } 18 putchar('\n'); 19 } 20 for (i = 0; i < 25; ++i) { 21 for (j = 0; j < 5; ++j) { 22 long double ld = rand() / (long double)rand(); 23 double d = ld; 24 25 printf("%Lf=%f ", ld, d); 26 } 27 putchar('\n'); 28 } 29 return 0; 30 } 31 32