具體用法參考C++官網

/ /numeric_limits example #include <iostream> #include <limits> using namespace std;int main () {cout << boolalpha;cout << "Minimum value for int: " << numeric_limits<int>::min() << endl;cout << "Maximum value for int: " << numeric_limits<int>::max() << endl;cout << "int is signed: " << numeric_limits<int>::is_signed << endl;cout << "Non-sign bits in int: " << numeric_limits<int>::digits << endl;cout << "int has infinity: " << numeric_limits<int>::has_infinity << endl;return 0; }

/** Author: visayafan* Email: visayafan[AT]gmail.com*/#include <iostream> #include <limits> using namespace std; int main(int argc, char *argv[]) {int min =numeric_limits<int>::min();double dmin = numeric_limits<double>::min();cout<<min<<endl;cout<<dmin<<endl;return 0; }

轉載于:https://www.cnblogs.com/visayafan/archive/2011/08/07/2130066.html

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