Section: Linux Programmer's Manual (3)
clog2, clog2f, clog2l - base-2 logarithm of a complex number
double complex clog2(double complex z);
float complex clog2f(float complex z);
long double complex clog2l(long double complex z);
is equivalent to
The other functions perform the same task for
close to zero will cause an overflow.
These function names are reserved for future use in C99.
Not yet in glibc, as at version 2.19.
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