numpunct::grouping
Returns a locale-specific rule for determining how digits are grouped to the left of any decimal point.
string grouping( ) const;
Return Value
A locale-specific rule for determining how digits are grouped to the left of any decimal point.
Remarks
The member function returns do_grouping.
Example
// numpunct_grouping.cpp
// compile with: /EHsc
#include <locale>
#include <iostream>
#include <sstream>
using namespace std;
int main( )
{
locale loc( "german_germany");
const numpunct <char> &npunct =
use_facet < numpunct <char> >( loc );
for (unsigned int i = 0; i < npunct.grouping( ).length( ); i++)
{
cout << loc.name( ) << " international grouping:\n the "
<< i <<"th group to the left of the radix character "
<< "is of size " << (int)(npunct.grouping ( )[i])
<< endl;
}
}
German_Germany.1252 international grouping:
the 0th group to the left of the radix character is of size 3
Requirements
Header: <locale>
Namespace: std