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.

Note

The function is actually an alias for hypot(a,b) = sqrt(a*a+b*b).

Conforming to

C99

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), conjl(3), cpow(3), cprojl(3), creal(3), csin(3), csinh(3), csqrt(3), ctan(3), ctanh(3), fabs(3), imaxabs(3)