(C++) std::showpoint

 

std::showpoint is an STL stream manipulator to show the zeroes behind the comma of a double.

 

• Download the Qt Creator project 'CppShowpoint' (zip)

 

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#include <iostream> #include <iomanip> int main () {   std::cout     << std::setprecision(10)     << std::noshowpoint << 1.0 << '\n'     << std::showpoint   << 1.0 << '\n'; }

 

Screen output:

 

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1 1.000000000