> -----Original Message----- > From: Robert Dewar [mailto:de...@adacore.com] > Sent: Sunday, May 08, 2011 11:13 > To: Michael D. Berger > Cc: gcc@gcc.gnu.org > Subject: Re: numerical results differ after irrelevant code change > [...] > > This kind of result is quite expected on an x86 using the old > style (default) floating-point (becauae of extra precision in > intermediate results). >
How does the extra precision lead to the variable result? Also, is there a way to prevent it? It is a pain in regression testing. Thanks, Mike. -- Michael D. Berger m.d.ber...@ieee.org
