limits.cpp

#include <iostream>
#include <stdio.h>
#include <limits>

int main()
{
  std::cout << "Integers: \n";
  std::cout << "\tType\t\tSize (Bits)\tLowest\t\tMin\t\tMax\n";
  std::cout << "____________________________________________________________________________\n";

  int x = 0;
  std::cout << "\tint\t\t" << sizeof(x) * 8 << "\t\t"
                << std::numeric_limits<int>::lowest() << '\t'
                << std::numeric_limits<int>::min() << '\t'
                << std::numeric_limits<int>::max() << '\n';

  long l = 0;
  std::cout << "\tlong\t\t" << sizeof(l) * 8 << "\t\t"
                << std::numeric_limits<long>::lowest() << '\t'
                << std::numeric_limits<long>::min() << '\t'
                << std::numeric_limits<long>::max() << '\n';

  long long ll = 0;
  std::cout << "\tlong long\t" << sizeof(ll) * 8 << "\t\t"
                << std::numeric_limits<long long>::lowest() << '\t'
                << std::numeric_limits<long long>::min() << '\t'
                << std::numeric_limits<long long>::max() << '\n';

  unsigned long ul = 0;
  std::cout << "\tunsigned long\t" << sizeof(ul) * 8 << "\t\t"
                << std::numeric_limits<unsigned long>::lowest() << "\t\t"
                << std::numeric_limits<unsigned long>::min() << '\t'
                << std::numeric_limits<unsigned long>::max() << '\n';


  std::cout << "\nFloating-point: \n";

  std::cout << "\tType\t\tSize (Bits)\tLowest\t\tMin\t\tMax\n";
  std::cout << "____________________________________________________________________________\n";
  float f = 0;
  std::cout << "\tfloat\t\t" << sizeof(f) * 8 << "\t\t"
                << std::numeric_limits<float>::lowest() << '\t'
                << std::numeric_limits<float>::min() << '\t'
                << std::numeric_limits<float>::max() << '\n';

  double d = 0;
  std::cout << "\tdouble\t\t" << sizeof(d) * 8 << "\t\t"
                << std::numeric_limits<double>::lowest() << '\t'
                << std::numeric_limits<double>::min() << '\t'
                << std::numeric_limits<double>::max() << '\n';

  long double ld = 0;
  std::cout << "\tlong double\t" << sizeof(ld) * 8 << "\t\t"
                << std::numeric_limits<double>::lowest() << '\t'
                << std::numeric_limits<double>::min() << '\t'
                << std::numeric_limits<double>::max() << '\n';

}