Function librapid::detail::multiprec::sqrX2(const double)# Defined in File complex.hpp Function Documentation# auto librapid::detail::multiprec::sqrX2(const double x) noexcept -> Fmp<double># Calculates the square of a 1x precision value and returns a 2x precision result. The result is exact when no internal overflow or underflow occurs. Parameters x – Input value Returns 2x precision square of x