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+'\" t
+.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
+.\"
+.\" SPDX-License-Identifier: GPL-1.0-or-later
+.\"
+.TH clog10 3 2023-07-20 "Linux man-pages 6.05.01"
+.SH NAME
+clog10, clog10f, clog10l \- base-10 logarithm of a complex number
+.SH LIBRARY
+Math library
+.RI ( libm ", " \-lm )
+.SH SYNOPSIS
+.nf
+.BR "#define _GNU_SOURCE" "         /* See feature_test_macros(7) */"
+.B #include <complex.h>
+.PP
+.BI "double complex clog10(double complex " z );
+.BI "float complex clog10f(float complex " z );
+.BI "long double complex clog10l(long double complex " z );
+.fi
+.SH DESCRIPTION
+The call
+.I clog10(z)
+is equivalent to:
+.PP
+.in +4n
+.EX
+clog(z)/log(10)
+.EE
+.in
+.PP
+or equally:
+.PP
+.in +4n
+.EX
+log10(cabs(c)) + I * carg(c) / log(10)
+.EE
+.in
+.PP
+The other functions perform the same task for
+.I float
+and
+.IR "long double" .
+.PP
+Note that
+.I z
+close to zero will cause an overflow.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbx lb lb
+l l l.
+Interface	Attribute	Value
+T{
+.na
+.nh
+.BR clog10 (),
+.BR clog10f (),
+.BR clog10l ()
+T}	Thread safety	MT-Safe
+.TE
+.sp 1
+.SH STANDARDS
+GNU.
+.SH HISTORY
+glibc 2.1.
+.PP
+The identifiers are reserved for future use in C99 and C11.
+.SH SEE ALSO
+.BR cabs (3),
+.BR cexp (3),
+.BR clog (3),
+.BR clog2 (3),
+.BR complex (7)