M_LOG2_E vs. M_LN2 cleanup patch

[Howland Craig D (Craig)]

Jeff:
     Ping.  (It's old, but the patch ought to still work.  I could
refresh it if there is any trouble.)
				Craig

-----Original Message-----
From: newlib-owner@sourceware.org [mailto:newlib-owner@sourceware.org]
On Behalf Of Howland Craig D (Craig)
Sent: Tuesday, February 23, 2010 8:32 PM
To: Newlib
Subject: M_LOG2_E vs. M_LN2 cleanup patch

Attached is a patch that changes the source from using M_LOG2_E--a
non-standard name for log2(e)--to using M_LN2--a POSIX name for the
same value.
 
The code actually uses both M_LOG2_E and _M_LOG2_E.  I kept the same
basic form of initial underscore when editing.  (That is, I'm not
cleaning up the inconsistency of the lead _, but only the base name.
The use of lead _ does not matter at the moment, but might be
affected by my pending question about the use of _XOPEN_SOURCE, so
I'm leaving that for later.)
 
Both M_LOG2_E and M_LN2 defines are kept in math.h--only the use
by other files is changed.
 
Craig