#include <cstdio>
 
template <typename typed> void count(unsigned *result_m, unsigned *result_e)
{
  typed x = 1, exp;
  unsigned res, e;
  for (res=0; x!=0; ++res) x/=2;
  for (exp=1,e=0; exp*2<res; ++e) exp*=2;
  *result_e = e+1;
  *result_m = res-exp+1;
}
 
int main(void)
{
  unsigned f_m, f_e, d_m, d_e, ld_m, ld_e, f128_m, f128_e;
 
  count<float>(&f_m, &f_e);
  count<double>(&d_m, &d_e);
  count<long double>(&ld_m, &ld_e);
  count<__float128>(&f128_m, &f128_e);
 
  printf("              S    M   E   SZ\n");
  printf("float:        1  %3u  %2u  %3u\n",    f_m,    f_e, 8 * sizeof(float));
  printf("double:       1  %3u  %2u  %3u\n",    d_m,    d_e, 8 * sizeof(double));
  printf("long double:  1  %3u  %2u  %3u\n",   ld_m,   ld_e, 8 * sizeof(long double));
  printf("__float128:   1  %3u  %2u  %3u\n", f128_m, f128_e, 8 * sizeof(__float128));
}

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