x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
cabs(3) Library Functions Manual cabs(3)
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 at-
tributes(7).
+--------------------------------------------+---------------+---------+
|Interface | Attribute | Value |
+--------------------------------------------+---------------+---------+
|cabs(), cabsf(), cabsl() | Thread safety | MT-Safe |
+--------------------------------------------+---------------+---------+
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)
Linux man-pages 6.04 2023-03-30 cabs(3)
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