carg, cargf, cargl

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The latest version of this topic can be found at carg, cargf, cargl.

Retrieves the argument of a complex number, with a branch cut along the negative real axis.

Syntax

double carg(   
   _Dcomplex z   
);  
float carg(   
   _Fcomplex z   
);  // C++ only  
long double carg(   
   _Lcomplex z   
);  // C++ only  
float cargf(   
   _Fcomplex z   
);  
long double cargl(   
   _Lcomplex z   
);  

Parameters

z
A complex number.

Return Value

The argument (also known as the phase) of z. The result is in the interval [−π, +π].

Remarks

Because C++ allows overloading, you can call overloads of carg that take _Fcomplex or _Lcomplex values, and return float or long double values. In a C program, carg always takes a _Dcomplex value and returns a double value.

Requirements

For more compatibility information, see Compatibility in the Introduction.

See Also

Alphabetical Function Reference
norm, normf, norml
creal, crealf, creall
cproj, cprojf, cprojl
conj, conjf, conjl
cimag, cimagf, cimagl
cabs, cabsf, cabsl