Man page - cabs(3)

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Manual

cabs

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
ATTRIBUTES
STANDARDS
HISTORY
NOTES
SEE ALSO

NAME

cabs, cabsf, cabsl - absolute value of a complex number

LIBRARY

Math library ( libm , -lm )

SYNOPSIS

#include <complex.h>

double cabs(double complex z );
float cabsf(float complex
z );
long double cabsl(long double complex
z );

DESCRIPTION

These functions return the absolute value of the complex number z . The result is a real number.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes (7).

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STANDARDS

C11, POSIX.1-2008.

HISTORY

glibc 2.1. C99, POSIX.1-2001.

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)