(C++) std::setiosflags

 

std::setiosflags (an abbreviation of 'set input/output stream flags') is a stream modifier.

 

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#include <iomanip> #include <iostream> int main() {   const double x = 12.34;   std::cout     << std::setiosflags(std::ios::scientific)     << x << '\n'     << std::setiosflags(std::ios::fixed)     << x << '\n'; }

 

Screen output:

 

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1.234000e+01 12.34