NAME
cabs, cabsf, cabsl - absolute value of a complex number
SYNOPSIS
#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.
VERSIONS
These functions first appeared in glibc in version 2.1.
CONFORMING TO
C99.
NOTES
The function is actually an alias for hypot(a, b) (or, equivalently, sqrt(a*a + b*b)).
SEE ALSO
abs(3), cimag(3), hypot(3), complex(7)
COLOPHON
This page is part of release 3.23 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.
