clog2 (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/clog2.3".)

NAME

clog2, clog2f, clog2l - base-2 logarithm of a complex number

SYNOPSIS

#include <complex.h>

double complex clog2(double complex z);
float complex clog2f(float complex z);
long double complex clog2l(long double complex z);

DESCRIPTION

The call clog2(z) is equivalent to clog(z)/log(2).
The other functions perform the same task for float and long double.
Note that z close to zero will cause an overflow.

CONFORMING TO

These function names are reserved for future use in C99.

AVAILABILITY

Not yet in glibc, as at version 2.19.

SEE ALSO

cabs(3), cexp(3), clog(3), clog10(3), complex(7)

COLOPHON

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