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CABS(3) | Linux Programmer's Manual | CABS(3) |
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¶
COLOPHON¶
This page is part of release 3.53 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/.
2008-08-11 |