Re: Fwd: Quadratic and cubic equations

[Andrew Haley]

Tom Tromey writes:
 > >>>>> "Andrew" == Andrew Haley <address@hidden> writes:
 > 
 > Andrew> It looks to me like this is a test of exact java strictfp
 > Andrew> compliance.  gcj fails, because it isn't strictfp compliant.
 > 
 > On top of that, to guarantee the same results everywhere we would need
 > to declare both the test case and the code in Classpath `strictfp'.

Yes.

 > That incurs a performance penalty on some platforms.  I'm not sure it
 > is worthwhile.  Do more-exact results matter that much in this code?

No.  The whole thing is misconceived because it's so unstable: an
argument error of one part in 10^12 is causing this problem.

Andrew.