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-'\" t
-.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
-.\"
-.\" SPDX-License-Identifier: GPL-1.0-or-later
-.\"
-.TH cproj 3 (date) "Linux man-pages (unreleased)"
-.SH NAME
-cproj, cprojf, cprojl \- project into Riemann Sphere
-.SH LIBRARY
-Math library
-.RI ( libm ", " \-lm )
-.SH SYNOPSIS
-.nf
-.B #include <complex.h>
-.PP
-.BI "double complex cproj(double complex " z ");"
-.BI "float complex cprojf(float complex " z ");"
-.BI "long double complex cprojl(long double complex " z ");"
-.fi
-.SH DESCRIPTION
-These functions project a point in the plane onto the surface of a
-Riemann Sphere, the one-point compactification of the complex plane.
-Each finite point
-.I z
-projects to
-.I z
-itself.
-Every complex infinite value is projected to a single infinite value,
-namely to positive infinity on the real axis.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.ad l
-.nh
-.TS
-allbox;
-lbx lb lb
-l l l.
-Interface Attribute Value
-T{
-.BR cproj (),
-.BR cprojf (),
-.BR cprojl ()
-T} Thread safety MT-Safe
-.TE
-.hy
-.ad
-.sp 1
-.SH STANDARDS
-C11, POSIX.1-2008.
-.SH HISTORY
-glibc 2.1.
-C99, POSIX.1-2001.
-.PP
-In glibc 2.11 and earlier, the implementation does something different
-(a
-.I stereographic
-projection onto a Riemann Sphere).
-.\" https://www.sourceware.org/bugzilla/show_bug.cgi?id=10401
-.SH SEE ALSO
-.BR cabs (3),
-.BR complex (7)