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Linux 2.6 - man page for cabsf (linux section 3)

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

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

SYNOPSIS
       #include <complex.h>

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

       Link with -lm.

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

VERSIONS
       These functions first appeared in glibc in version 2.1.

CONFORMING TO
       C99.

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)

COLOPHON
       This page is part of release 3.55 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

					    2008-08-11					  CABS(3)
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