On Thu, Dec 1, 2016 at 5:36 PM, Bradley Lucier <xxxxxx@math.purdue.edu> wrote:
using the signs of arguments
to determine the correct quadrant.

Ah, thanks.  I have added the above phrase to the SRFI.

-- 
John Cowan          http://vrici.lojban.org/~cowan        xxxxxx@ccil.org
If a traveler were informed that such a man [as Lord John Russell] was
leader of the House of Commons, he may well begin to comprehend how the
Egyptians worshiped an insect.  --Benjamin Disraeli