std::ios_base::precision

 

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streamsize precision() const;	(1)
streamsize precision( streamsize new_precision );	(2)

Manages the precision (i.e. how many digits are generated) of certain numeric output conversions.

1) Returns the current precision.

2) Sets the precision to the given one.

Parameters

new_precision

-

new precision setting

Return value

the precision before the call to the function

See also

width	manages field width (public member function)