Hi,

In message "Re: What do you say to log2 to Math module?"
    on Fri, 5 May 2006 09:34:44 +0900, Tanaka Akira <akr / m17n.org> writes:

|I guess it is easy to persuade matz because log2 is defined
|by C99 and POSIX.

Right.  And I did it last night.  Although gcc gives me warning
"incompatible implicit declaration of built-in function 'log2'" unless
I specify -std=c99.

							matz.