CABS
CABS
Section: Linux Programmer's Manual (3) Updated: 2008-08-11 Local index
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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 cimag hypot complex
COLOPHON
This page is part of release 3.27 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/.
Index
NAME
SYNOPSIS
DESCRIPTION
VERSIONS
CONFORMING TO
NOTES
SEE ALSO
COLOPHON
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