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);
Note
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 3.22 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/.
Copyright 2002 Walter Harms (walter.harmsinformatik.uni-oldenburg.de)
Distributed under GPL