cabs

CABS(3)                      complex math routines                     CABS(3)



NAME
       cabs, cabsf, cabsl - absolute value of a complex number

SYNOPSIS
       #include <complex.h>

       double cabs(double complex z);

       float cabsf(float double complex z);

       long double cabsl(long double complex z);


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), hypot(3), cimag(3), complex(5)



                                  2002-07-28                           CABS(3)