cprojl man page on ElementaryOS

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

NAME
       cproj, cprojf, cprojl - project into Riemann Sphere

SYNOPSIS
       #include <complex.h>

       double complex cproj(double complex z);
       float complex cprojf(float complex z);
       long double complex cprojl(long double complex z);

       Link with -lm.

DESCRIPTION
       This  function projects a point in the plane onto the surface of a Rie‐
       mann Sphere, the one-point compactification of the complex plane.  Each
       finite  point  z projects to z itself.  Every complex infinite value is
       projected to a single infinite value, namely to	positive  infinity  on
       the real axis.

VERSIONS
       These functions first appeared in glibc in version 2.1.

CONFORMING TO
       C99.

NOTES
       In  glibc 2.11 and earlier, the implementation does something different
       (a stereographic projection onto a Riemann Sphere).

SEE ALSO
       cabs(3), complex(7)

COLOPHON
       This page is part of release 3.54 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/.

				  2010-06-10			      CPROJ(3)
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