Change exp() behavior to generate error on underflow rather

than silently returning zero on some machines.  Correct float8 regress test
to agree.  Also fix pow() overflow/underflow check to work correctly on
HPUX.

1 files changed, 1 insertions, 9 deletions

diff --git a/src/test/regress/expected/float8.out b/src/test/regress/expected/float8.out
index ec9a98371f9..6434d8eb261 100644
--- a/src/test/regress/expected/float8.out
+++ b/src/test/regress/expected/float8.out
@@ -195,15 +195,7 @@ 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)
-
+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.*;