Regression tests on intel for 6.5.2

In the course of building and testing the rpm's for 6.5.2, unexpected
results were found in the regression testing.  I am curious as to what
the results for 'float8' mean (geometry also failed, but it's obvious as
to why):

> *** expected/float8.out Sat Jan 23 19:12:59 1999
> --- results/float8.out  Mon Sep 27 11:01:13 1999
> ***************
> *** 189,201 ****
>   QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
>   ERROR:  Bad float8 input format -- overflow
>   QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
> ! ERROR:  pow() result is out of range
>   QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
>   ERROR:  can't take log of zero
>   QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
>   ERROR:  can't take log of a negative number
>   QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
> ! ERROR:  exp() result is out of range
>   QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
>   ERROR:  float8div: divide by zero error
>   QUERY: SELECT '' AS five, FLOAT8_TBL.*;
> --- 189,217 ----
>   QUERY: SELECT '' AS bad, f.f1 * '1e200' from FLOAT8_TBL f;
>   ERROR:  Bad float8 input format -- overflow
>   QUERY: SELECT '' AS bad, f.f1 ^ '1e200' from FLOAT8_TBL f;
> ! bad|?column?
> ! ---+--------
> !    |0       
> !    |NaN     
> !    |NaN     
> !    |NaN     
> !    |NaN     
> ! (5 rows)
> ! 
>   QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 = '0.0' ;
>   ERROR:  can't take log of zero
>   QUERY: SELECT '' AS bad, (; (f.f1)) from FLOAT8_TBL f where f.f1 < '0.0' ;
>   ERROR:  can't take log of a negative number
>   QUERY: SELECT '' AS bad, : (f.f1) from FLOAT8_TBL f;
> ! bad|            ?column?
> ! ---+--------------------
> !    |                   1
> !    |7.39912306090513e-16
> !    |                   0
> !    |                   0
> !    |                   1
> ! (5 rows)
> ! 
>   QUERY: SELECT '' AS bad, f.f1 / '0.0' from FLOAT8_TBL f;
>   ERROR:  float8div: divide by zero error
>   QUERY: SELECT '' AS five, FLOAT8_TBL.*;
> 
> ----------------------

TIA

Lamar Owen
WGCR Internet Radio