Darn, after testing on some older, out of date distros I was embarrassed to find some awful code I created in the commit shown below. I was rewarded with some 'nan' floating point values and 'inf' computational results. Reference(s); . a missed opportunity to repent commit5c5bff392b. true source of my original sin commit2d5b51d1a2Signed-off-by: Jim Warner <james.warner@comcast.net>