std::arg(std::complex)

 

C++

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Complex numbers

Member functions
complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+= complex::operator-= complex::operator*= complex::operator/=
Non-member functions
operator== operator!=
operator<< operator>>
real
imag
abs
arg
norm
conj
proj (C++11)
polar
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sin cos tan	asin (C++11) acos (C++11) atan (C++11)
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sinh cosh tanh	asinh (C++11) acosh (C++11) atanh (C++11)

 

Defined in header <complex>
template< class T > T arg( const complex<T>& z );

Returns the phase angle of the complex number z, i.e. atan2(std::imag(z), std::real(z)).

Parameters

z

-

complex value

Return value

the phase angle of z

See also

norm	returns the squared magnitude (function template)
conj	returns the complex conjugate (function template)
polar	constructs a complex number from magnitude and phase angle (function template)