On Sat, 2014-01-11 at 15:24 +0000, Rob wrote: > On Sat, 11 Jan 2014, Nick wrote: > > I'm very surprised by the result in #6. #7 seems to be doing the same > > thing, except that it uses a local variable to hold the sum. > > Sounds to me like it could be related to excess precision - checkout the > -ffloat-store option. I don't see it on my machine either way, but I'm > on 4.7.2.
Thank you very much! The -ffloat-store option not only addresses the behavior I'm seeing, but the information in the man page for this option gives me a great starting point for information about why it behaves that way. Best regards, Nick
