Name
cabs, cabsf, cabsl - absolute value of a complex number Library
Math library ( libm ", " -lm ) Synopsis
#include <complex.h>
double cabs(double complex z );
float cabsf(float complex z );
long double cabsl(long double complex z );
Description
These functions return the absolute value of the complex number z. The result is a real number. Attributes
For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb | Interface | Attribute | Value |
T{ cabs() cabsf() cabsl() | T} | Thread safety | MT-Safe |
Notes
The function is actually an alias for "hypot(a,\ b)" (or, equivalently, "sqrt(a*a\ +\ b*b)" ).