Eigen Namespace Reference

Classes
struct	NumTraits< Complex_t< T > >

Functions
template<typename charT , typename traits >
std::basic_ostream< charT, traits > &	operator<< (std::basic_ostream< charT, traits > &strm, const std::complex< double > &c)
template<typename charT , typename traits , typename RealType >
std::basic_ostream< charT, traits > &	operator<< (std::basic_ostream< charT, traits > &strm, const Complex_t< RealType > &c)

Function Documentation

operator<<() [1/2]

template<typename charT , typename traits , typename RealType >

std::basic_ostream< charT, traits > & Eigen::operator<<	(	std::basic_ostream< charT, traits > &	strm,
		const Complex_t< RealType > &	c
	)

                                                                                        {
        constexpr size_t  precision = 4;
        constexpr size_t  realWidth = precision + 7;
        constexpr size_t  imagWidth = realWidth;
        constexpr size_t  width     = realWidth + imagWidth + 2;
        constexpr double  epsilon   = 1.0e-8;
        std::stringstream buff("");
        buff << std::showpos << std::scientific << std::setprecision(precision);
        if(std::abs(c.real()) < epsilon && std::abs(c.imag()) < 1.0e-8)
            buff << 0;
        else if(std::abs(c.real()) > epsilon && std::abs(c.imag()) < epsilon) { buff << c.real(); }
        else if(std::abs(c.real()) < epsilon && std::abs(c.imag()) > epsilon) {
            buff << c.imag() << "*i";
        }
        else { buff << c.real() << c.imag() << "*i"; }
        strm << std::setw(width) << buff.str();
        return strm;
    }

operator<<() [2/2]

template<typename charT , typename traits >

std::basic_ostream< charT, traits > & Eigen::operator<<	(	std::basic_ostream< charT, traits > &	strm,
		const std::complex< double > &	c
	)

                                                                                     {
        if( std::abs(c.real()) < 1.0e-8 && std::abs(c.imag()) < 1.0e-8 ) strm << 0;
        if( std::abs(c.real()) > 1.0e-8) strm << std::showpos << c.real();
        if( std::abs(c.imag()) > 1.0e-8) strm << std::showpos << c.imag() << "*i";
        strm << std::noshowpos;
        return strm;
    }