--- Comment #4 from niklaus at gmail dot com 2008-09-06 17:42 ---
On the below version of gcc on cygwin (winXP SP3) i don't have any problems
with optimization on or off. They produce consistent correct result. Why is it
a problem with linux ? or am i doing something wrong.
I tried
--- Comment #7 from niklaus at gmail dot com 2008-09-06 18:28 ---
(In reply to comment #5)
Subject: Re: wrong-code on i486-linux-gnu with -O[12], -O0 works
Because on x86 gnu/Linux, the precision is set to 80bits rather than
64bit like it is on windows.
Does increasing bits
--- Comment #10 from niklaus at gmail dot com 2008-09-06 21:23 ---
(In reply to comment #8)
(In reply to comment #7)
Does increasing bits cause floating point errors. How could 64 bit precison
give correct result where as 80 bit give incorrect one.
You can have rounding errors
