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 ALSO abs(3), cimag(3), hypot(3), complex(7)

2002-07-28 CABS(3)