/*
   DemoDatatypes2.cpp
   CIS 150
   5/26/2005
   David Klick
   
   This program shows the range of the fp data types.
   The output will differ depending on what compiler is used.   
*/

#include <iostream>
#include <cfloat>
using std::cout;
using std::endl;

int main(void) {
   float n1 = 1.2E10;
   double n2 = 1.2E20;
   long double n3 = 1.2E20;
   cout << "A float is " << sizeof(float) << " bytes long\n";
   cout << "A double is " << sizeof(double) << " bytes long\n";
   cout << "A long double is " << sizeof(long double) << " bytes long\n";
   
   cout << "float min: " << FLT_MIN << ",  max: " << FLT_MAX << endl;
   cout << "double min: " << DBL_MIN << ",  max: " << DBL_MAX << endl;
   
   return 0;
}

/*
   Sample output:
   
   A float is 4 bytes long
   A double is 8 bytes long
   A long double is 12 bytes long
   float min: 1.17549e-038,  max: 3.40282e+038
   double min: 2.22507e-308,  max: 1.79769e+308
*/