cabs
Prev  Section 3  Next

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);
[Note] Note

Link with −lm.

DESCRIPTION

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

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 2.79 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
Prev  Up  Next
bzero  Home  cacos