CABS

Section: complex math routines (3)
Updated: 2002-07-28
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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)


 

Index

NAME
SYNOPSIS
DESCRIPTION
NOTE
CONFORMING TO
SEE ALSO

linux.jgfs.net manual pages