std::abs(std::complex)

 

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std::complex

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-operator*operator/ operator==operator!= operator<<operator>>	real imag abs arg norm conj proj (C++11) polar operator""ioperator""ifoperator""il (C++14)(C++14)(C++14)
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exp
log
log10
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pow
sqrt
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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 abs( const complex<T>& z );

Returns the magnitude of the complex number z.

Parameters

z

-

complex value

Return value

the magnitude of z

See also

arg	returns the phase angle (function template)
polar	constructs a complex number from magnitude and phase angle (function template)
abs(int)labsllabs (C++11)	computes absolute value of an integral value (|x|) (function)
abs(float) fabs	absolute value of a floating point value (|x|) (function)
hypot (C++11)	computes square root of the sum of the squares of two given numbers (√x2 +y2 ) (function)
abs(std::valarray)	applies the function std::abs to each element of valarray (function template)
C documentation for cabs