ILOG2(3) | Library Functions Manual | ILOG2(3) |
ilog2
—
#include <sys/bitops.h>
size
ilog2
(size
x);
ilog2
() macro returns an integer (binary) logarithm
of x. It is the logarithm for base 2; the binary
logarithm of x is the power to which the number 2 must
be raised to obtain the value x.
The type of the input parameter should be either uint32_t or uint64_t.
ilog2
() macro first appeared in
NetBSD 5.0.
May 10, 2011 | NetBSD 9.0 |