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Diffstat (limited to 'src/backend/utils/adt/geo_ops.c')
-rw-r--r--src/backend/utils/adt/geo_ops.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/utils/adt/geo_ops.c b/src/backend/utils/adt/geo_ops.c
index 0c06e45bef4..12fea90436c 100644
--- a/src/backend/utils/adt/geo_ops.c
+++ b/src/backend/utils/adt/geo_ops.c
@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.15 1997/08/19 21:34:39 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.16 1997/08/21 23:56:41 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2555,6 +2555,9 @@ point_div(Point *p1, Point *p2)
div = (p2->x*p2->x) + (p2->y*p2->y);
+ if (div == 0.0)
+ elog(WARN,"point_div: divide by 0.0 error");
+
result->x = ((p1->x*p2->x) + (p1->y*p2->y)) / div;
result->y = ((p2->x*p1->y) - (p2->y*p1->x)) / div;