std::numpunct::decimal_point, do_decimal_point
From cppreference.com
Defined in header
<locale>
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public:
char_type decimal_point() const; |
(1) | |
protected:
char_type virtual 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.
[edit] Return value
The object of type char_type
to use as the thousands separator. The standard specializations of std::numpunct
return ’.’ and L’.’.
[edit] Example
Run this code
#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