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CABS

Linux Programmer's Manual (3)
2008-08-11
 

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)  

COLOPHON

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Index

NAME
SYNOPSIS
DESCRIPTION
VERSIONS
CONFORMING TO
NOTES
SEE ALSO
COLOPHON

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Time: 21:42:59 GMT, July 12, 2014