问与平台无关的获取最大C++浮点值的方法

EN

std::numeric_limits<float>::max()

// numeric_limits example
#include <iostream>
#include <limits>
using namespace std;

int main () {

  cout << "Minimum value for float: " << numeric_limits<float>::min() << endl;
  cout << "Maximum value for float: " << numeric_limits<float>::max() << endl;
  cout << "Minimum value for double: " << numeric_limits<double>::min() << endl;
  cout << "Maximum value for double: " << numeric_limits<double>::max() << endl;
  return 0;
}