template function to display the number limits : template function « template « C++ Tutorial

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C++ Tutorial » template » template function

13.2.7.template function to display the number limits

#include <iostream>

#include <limits>



using namespace std;



template<typename T>

void showMinMax( ) {

  cout << "min: " << numeric_limits<T>::min( ) << endl;

  cout << "max: " << numeric_limits<T>::max( ) << endl << endl;

}



int main( ) {

  cout << "short:" << endl;

  showMinMax<short>( );

  cout << "int:" << endl;

  showMinMax<int>( );

  cout << "long:" << endl;

  showMinMax<long>( );

  cout << "float:" << endl;

  showMinMax<float>( );

  cout << "double:" << endl;

  showMinMax<double>( );

  cout << "long double:" << endl;

  showMinMax<long double>( );

  cout << "unsigned short:" << endl;

  showMinMax<unsigned short>( );

  cout << "unsigned int:" << endl;

  showMinMax<unsigned int>( );

  cout << "unsigned long:" << endl;

  showMinMax<unsigned long>( );

}

short:
min: -32768
max: 32767

int:
min: -2147483648
max: 2147483647

long:
min: -2147483648
max: 2147483647

float:
min: 1.17549e-038
max: 3.40282e+038

double:
min: 2.22507e-308
max: 1.79769e+308

long double:
min: 0
max: 1.#INF

unsigned short:
min: 0
max: 65535

unsigned int:
min: 0
max: 4294967295

unsigned long:
min: 0
max: 4294967295

13.2.template function
	13.2.1.	function template: GetMax
	13.2.2.	Function template: swapargs
	13.2.3.	template type
	13.2.4.	Using standard parameters in a template function
	13.2.5.	Overload a function template declaration
	13.2.6.	Function with generic parameters
	13.2.7.	template function to display the number limits
	13.2.8.	Overload template function
	13.2.9.	Specify template argument explicitly and implicitly
	13.2.10.	Namespace with template function
	13.2.11.	reference and non-reference template function
	13.2.12.	template function to print elements of an STL container
	13.2.13.	template function to get the maximum of three values of any type (call-by-reference)
	13.2.14.	template function to get the maximum of two values

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