cabs, cabsf, cabsl – absolute value of a complex number

USAGE
       #include <complex.h>

       double cabs(double complex z);
       float cabsf(float complex z);
       long double cabsl(long double complex z);

       Link with -lm.

DESCRIPTION
       The cabs() function returns the absolute value of the complex number z.
       The result is a real number.

NOTE
       The function is actually an alias for hypot(a,b) = sqrt(a*a+b*b).

CONFORMING TO
       C99

SEE ALSO
       abs(3), cimag(3), hypot(3), complex(7)