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.\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\" Distributed under GPL
.\"
.TH CLOG10 3 2002-07-28 "" "Linux Programmer's Manual"
.SH NAME
clog10, clog10f, clog10l \- base-10 logarithm of a complex number
.SH SYNOPSIS
.B #define _GNU_SOURCE
.br
.B #include <complex.h>
.sp
.BI "double complex clog10(double complex " z );
.br
.BI "float complex clog10f(float complex " z );
.br
.BI "long double complex clog10l(long double complex " z );
.sp
Link with \fI-lm\fP.
.SH DESCRIPTION
The call
.I clog10(z)
is equivalent to
.IR clog(z)/log(10) .
The other functions perform the same task for
.I float
and
.IR "long double" .
Note that
.I z
close to zero will cause an overflow.
.SH "CONFORMING TO"
This function is a GNU extension.
It is reserved for future use in C99.
.SH "SEE ALSO"
.BR cabs (3),
.BR cexp (3),
.BR clog (3),
.BR clog2 (3),
.BR complex (7),
.BR feature_test_macros (7)
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