From 182676ae274d610683ad8fbffeb7b11a1cfcccdb Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 2 Jan 2007 22:19:42 +0000
Subject: [PATCH] Some platforms set errno on pow(), exp() overflow, some do
not, so if isinf(), fall through to our own infinity checks.
---
src/backend/utils/adt/float.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index 48b5fe878c5..dab6c35667f 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -8,7 +8,7 @@
*
*
* 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;
result = pow(arg1, arg2);
- if (errno != 0)
+ if (errno != 0 && !isinf(result))
ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("result is out of range")));
@@ -1469,7 +1469,7 @@ dexp(PG_FUNCTION_ARGS)
*/
errno = 0;
result = exp(arg1);
- if (errno != 0)
+ if (errno != 0 && !isinf(result))
ereport(ERROR,
(errcode(ERRCODE_NUMERIC_VALUE_OUT_OF_RANGE),
errmsg("result is out of range")));
--
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