CABS(3) complex math routines CABS(3)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 ALSOabs(3), cimag(3), hypot(3), complex(7)
2002-07-28 CABS(3)