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2017-09-15
Aliases: clog2f(3), clog2f(3), clog2f(3), clog2f(3), clog2f(3), clog2f(3), clog2l(3), clog2l(3), clog2l(3), clog2l(3), clog2l(3), clog2l(3)

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Manual pages about using GNU/Linux for development

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Linux kernel and C library user-space interface documentation

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.
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