Интерактивная система просмотра системных руководств (man-ов) cabsf (3) cabsf ( FreeBSD man: Библиотечные вызовы ) cabsf ( Русские man: Библиотечные вызовы ) >> cabsf ( Linux man: Библиотечные вызовы ) cabsf ( POSIX man: Библиотечные вызовы )
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 3.14 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
