1CABS(3)                    Linux Programmer's Manual                   CABS(3)
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NAME

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

9       #include <complex.h>
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11       double cabs(double complex z);
12       float cabsf(float complex z);
13       long double cabsl(long double complex z);
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15       Link with -lm.
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DESCRIPTION

18       The cabs() function returns the absolute value of the complex number z.
19       The result is a real number.
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VERSIONS

22       These functions first appeared in glibc in version 2.1.
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CONFORMING TO

25       C99.
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NOTES

28       The function is actually an alias for  hypot(a, b)  (or,  equivalently,
29       sqrt(a*a + b*b)).
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SEE ALSO

32       abs(3), cimag(3), hypot(3), complex(7)
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COLOPHON

35       This  page  is  part of release 3.25 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/.
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41                                  2008-08-11                           CABS(3)