log2, log2f, log2l - base-2 logarithmic function
These functions return the base 2 logarithm of
On success, these functions return the base 2 logarithm of
For special cases, including where
x is 0, 1, negative, infinity, or NaN, see log(3).
These functions first appeared in glibc in version 2.1.
C99, POSIX.1-2001, POSIX.1-2008.
The variant returning
double also conforms to SVr4, 4.3BSD.
This page is part of release 4.15 of the Linux
man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.