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    The following form allows you to view linux man pages.

    Command:

    cargf

    
    
    

    SYNOPSIS

           #include <complex.h>
    
           double carg(double complex z);
           float cargf(float complex z);
           long double cargl(long double complex z);
    
           Link with -lm.
    
    
    

    DESCRIPTION

           A complex number can be described by two real coordinates.  One may use
           rectangular coordinates and gets
    
               z = x + I * y
    
           where x = creal(z) and y = cimag(z).
    
           Or one may use polar coordinates and gets
    
               z = r * cexp(I * a)
    
           where r = cabs(z) is the "radius", the "modulus", the absolute value of
           z, and a = carg(z) is the "phase angle", the argument of z.
    
           One has:
    
               tan(carg(z)) = cimag(z) / creal(z)
    
    
    

    RETURN VALUE

           The return value is the range of [-pi,pi].
    
    
    

    VERSIONS

           These functions first appeared in glibc in version 2.1.
    
    
    

    CONFORMING TO

           C99.
    
    
    

    SEE ALSO

           cabs(3), complex(7)
    
                                      2008-08-11                           CARG(3)
    
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