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Change exp() behavior to generate error on underflow rather

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than silently returning zero on some machines.  Correct float8 regress test
to agree.  Also fix pow() overflow/underflow check to work correctly on
HPUX.
This commit is contained in:
Tom Lane
1998-11-29 01:57:59 +00:00
parent 67531c42bd
commit 92eacaf523
2 changed files with 5 additions and 12 deletions
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10
src/test/regress/expected/float8.out
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@ -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.*;