Other Aliascabsf, cabsl
double cabs(double complex z);
float cabsf(float complex z);
long double cabsl(long double complex z);
Link with -lm.
DESCRIPTIONThese functions return the absolute value of the complex number z. The result is a real number.
VERSIONSThese functions first appeared in glibc in version 2.1.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
|cabs(), cabsf(), cabsl()||Thread safety||MT-Safe|
CONFORMING TOC99, POSIX.1-2001, POSIX.1-2008.
NOTESThe function is actually an alias for hypot(a, b) (or, equivalently, sqrt(a*a + b*b)).
COLOPHONThis page is part of release 4.06 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.