mirrors/postgres
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Some platforms set errno on pow(), exp() overflow, some do not, so if

Browse Source 
isinf(), fall through to our own infinity checks.
This commit is contained in:
Bruce Momjian 2007-01-02 22:19:42 +00:00
parent 09d09b988d
commit 182676ae27
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/backend/utils/adt/float.c
View File

@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.134 2007/01/02 21:25:50 momjian Exp $ * $PostgreSQL: pgsql/src/backend/utils/adt/float.c,v 1.135 2007/01/02 22:19:42 momjian Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -1444,7 +1444,7 @@ dpow(PG_FUNCTION_ARGS)
*/ */
errno = 0; errno = 0;
result = pow(arg1, arg2); result = pow(arg1, arg2);
if (errno != 0) if (errno != 0 && !isinf(result))
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("result is out of range"))); errmsg("result is out of range")));
@ -1469,7 +1469,7 @@ dexp(PG_FUNCTION_ARGS)
*/ */
errno = 0; errno = 0;
result = exp(arg1); result = exp(arg1);
if (errno != 0) if (errno != 0 && !isinf(result))
ereport(ERROR, ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE), (errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("result is out of range"))); errmsg("result is out of range")));