Peteroid wrote:
> In the same spirit as setw( ) and setprecision( ), is there a stream
> manipulator that will fill in closing-zeroes on those fractions with a given
> setprecision( )?
>
> For example, if setprecision(3) is used, I want '1' to be displayed as
> "1.000", '1.2' to be displayed as "1.200", '1.23' to be displayed as
> "1.230", '1.234' to be displayed as "1.234", and '1.2345' to be displayed as
> "1.234" (or the rounded version "1.235" is ok too).

"Tom Widmer" <tom_usenet@hotmail.com> wrote in message
news:uxyQLXeNFHA.4092@tk2msftngp13.phx.gbl...
> Peteroid wrote:
>> In the same spirit as setw( ) and setprecision( ), is there a stream
>> manipulator that will fill in closing-zeroes on those fractions with a
>> given setprecision( )?
>>
>> For example, if setprecision(3) is used, I want '1' to be displayed as
>> "1.000", '1.2' to be displayed as "1.200", '1.23' to be displayed as
>> "1.230", '1.234' to be displayed as "1.234", and '1.2345' to be displayed
>> as "1.234" (or the rounded version "1.235" is ok too).
>
> std::fixed and std::ios_base::fixed are what you want. e.g.
>
> #include <iostream>
> #include <iomanip>
>
> int main()
> {
> std::cout << std::setprecision(3) << std::fixed
> << 1.23456 << ' ' << 1.2 << '\n';
> }
>
> Tom