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Change time function names to be more consistent, and check for zero divides, from Michael Reifenberg.

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This commit is contained in:
Bruce Momjian
1997-08-21 23:57:00 +00:00
parent 23cce4ad4f
commit 0ab2921290
7 changed files with 68 additions and 37 deletions
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5
src/backend/utils/adt/geo_ops.c
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@ -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;