| Defined in header <locale> | ||
|---|---|---|
public: char_type decimal_point() const; | (1) | |
protected: virtual char_type do_decimal_point() const; | (2) |
1) Public member function, calls the member function
do_decimal_point of the most derived class. 2) Returns the character to be used as the decimal separator between integer and fractional parts.
Return value
The object of type char_type to use as the thousands separator. The standard specializations of std::numpunct return '.' and L'.'.
Example
#include <iostream>
#include <locale>
struct slash : std::numpunct<char> {
char do_decimal_point() const { return '/'; } // separate with slash
};
int main()
{
std::cout.precision(10);
std::cout << "default locale: " << 1234.5678 << '\n';
std::cout.imbue(std::locale(std::cout.getloc(), new slash));
std::cout << "locale with modified numpunct: " << 1234.5678 << '\n';
}Output:
default locale: 1234.5678 locale with modified numpunct: 1234/5678
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