cabs(3) - Linux man page
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
abs(3), cimag(3), hypot(3), complex(7)
Referenced By
cacosh(3),
carg(3),
casinh(3),
catanh(3),
ccos(3),
ccosh(3),
cexp(3),
cexp2(3),
clog(3),
clog10(3),
clog2(3),
complex(5),
conj(3),
cpow(3),
cproj(3),
creal(3),
csin(3),
csinh(3),
csqrt(3),
ctan(3),
ctanh(3),
fabs(3),
imaxabs(3)