from small one page howto to huge articles all in one place
Last additions:
May 25th. 2007:
April, 26th. 2006:
| You are here: manpages
cabs
Section: C Library Functions (3) Updated: 202-0-08 Index
Return to Main Contents
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).
| Interface | Attribute | Value
|
|
cabs(),
cabsf(),
cabsl()
| Thread safety | M-Safe
|
STANDARDS
C11, POSIX.-2008.
HISTORY
glibc 2.1.
C99, POSIX.-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)
Index
- NAME
-
- LIBRARY
-
- SYNOPSIS
-
- DESCRIPTION
-
- ATTRIBUTES
-
- STANDARDS
-
- HISTORY
-
- NOTES
-
- SEE ALSO
-
| 
|
|
- Running on 
-
:
