1CABS(3) Linux Programmer's Manual CABS(3)
2
3
4
6 cabs, cabsf, cabsl - absolute value of a complex number
7
9 #include <complex.h>
10
11 double cabs(double complex z);
12 float cabsf(float complex z);
13 long double cabsl(long double complex z);
14
15 Link with -lm.
16
18 The cabs() function returns the absolute value of the complex number z.
19 The result is a real number.
20
22 These functions first appeared in glibc in version 2.1.
23
25 C99.
26
28 The function is actually an alias for hypot(a, b) (or, equivalently,
29 sqrt(a*a + b*b)).
30
32 abs(3), cimag(3), hypot(3), complex(7)
33
35 This page is part of release 3.22 of the Linux man-pages project. A
36 description of the project, and information about reporting bugs, can
37 be found at http://www.kernel.org/doc/man-pages/.
38
39
40
41 2008-08-11 CABS(3)