clog10 (3)

Leading comments

Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)

%%%LICENSE_START(GPL_NOVERSION_ONELINE)
Distributed under GPL
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(The comments found at the beginning of the groff file "man3/clog10.3".)

NAME

clog10, clog10f, clog10l - base-10 logarithm of a complex number

SYNOPSIS

#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <complex.h>

double complex clog10(double complex z);
float complex clog10f(float complex z);
long double complex clog10l(long double complex z);

Link with -lm.

DESCRIPTION

The call clog10(z) is equivalent to clog(z)/log(10). The other functions perform the same task for float and long double.
Note that z close to zero will cause an overflow.

VERSIONS

These functions first appeared in glibc in version 2.1.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
clog10(), clog10f(), clog10l()	Thread safety	MT-Safe

CONFORMING TO

These functions are GNU extensions. It is reserved for future use in C99.

SEE ALSO

cabs(3), cexp(3), clog(3), clog2(3), complex(7)

COLOPHON

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