VC++内置数据类型存储及取值范围

时间:2023-03-09 07:52:14
VC++内置数据类型存储及取值范围

亲测,基于win7 32位,vs2012编译

结果:

VC++内置数据类型存储及取值范围

代码:

 #include "stdafx.h"
#include <iostream>
#include <iomanip>
#include <limits>
using namespace std; template<typename T>
void Output()
{
cout<<left <<setw ()<<typeid(T).name()<<setw ()<<sizeof(T)<<numeric_limits<T>::min()<<"~"<<numeric_limits<T>::max()<<endl;
} int _tmain(int argc, _TCHAR* argv[])
{
cout<<left <<setw ()<<"数据类型"<<setw ()<<"字节数"<<"取值范围"<<endl;
Output<bool> ();
cout<<left <<setw ()<<typeid(char).name()<<setw ()<<sizeof(char)<<(int)numeric_limits<char>::min()<<"~"<<(int)numeric_limits<char>::max()<<endl;
Output<wchar_t> ();
cout<<endl; Output<short> ();
Output<unsigned short> ();
Output<int> ();
Output<unsigned int> ();
Output<long int> ();
Output<unsigned long int> ();
Output<long long int> ();
Output<unsigned long long int> ();
cout<<endl; Output<float> ();
Output<double> ();
Output<long double> ();
cout<<endl; system("pause");
return ;
}