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cabs, cabsf, cabsl - absolute value of a complex number

#include<complex.h>doublecabs(doublecomplexz);floatcabsf(floatcomplexz);longdoublecabsl(longdoublecomplexz);Link with-lm.

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

These functions first appeared in glibc in version 2.1.

C99.

The function is actually an alias forhypot(a,b)(or, equivalently,sqrt(a*a+b*b)).

abs(3),cimag(3),hypot(3),complex(7)

This page is part of release 3.24 of the Linuxman-pagesproject. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. 2008-08-11