Section: Linux Programmer's Manual (3) Updated: 2008-08-11 Local index
cabs, cabsf, cabsl - absolute value of a complex number
double cabs(double complex z);
float cabsf(float complex z);
long double cabsl(long double complex z);
Link with -lm.
function returns the absolute value of the complex number
The result is a real number.
These functions first appeared in glibc in version 2.1.
The function is actually an alias for
sqrt(a*a + b*b)).
This page is part of release 3.27 of the Linux
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Time: 21:42:54 GMT, April 16, 2011