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-.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
-.\"
-.\" SPDX-License-Identifier: GPL-1.0-or-later
-.\"
-.TH clog2 3 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-clog2, clog2f, clog2l \- base-2 logarithm of a complex number
-.SH LIBRARY
-Math library
-.RI ( libm ", " \-lm )
-.SH SYNOPSIS
-.nf
-.B #include <complex.h>
-.P
-.BI "double complex clog2(double complex " z );
-.BI "float complex clog2f(float complex " z );
-.BI "long double complex clog2l(long double complex " z );
-.fi
-.SH DESCRIPTION
-The call
-.I clog2(z)
-is equivalent to
-.IR clog(z)/log(2) .
-.P
-The other functions perform the same task for
-.I float
-and
-.IR "long double" .
-.P
-Note that
-.I z
-close to zero will cause an overflow.
-.SH STANDARDS
-None.
-.SH HISTORY
-These function names are reserved for future use in C99.
-.P
-Not yet in glibc, as at glibc 2.19.
-.\" But reserved in NAMESPACE.
-.SH SEE ALSO
-.BR cabs (3),
-.BR cexp (3),
-.BR clog (3),
-.BR clog10 (3),
-.BR complex (7)