Point does not return a center of lseg.

tglsfdc · tglsfdc · commit 500ba409154e · 2002-12-30T02:18:29.000Z
Kenji Sugita
diff --git a/src/backend/utils/adt/geo_ops.c b/src/backend/utils/adt/geo_ops.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.72 2002/11/29 19:25:33 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.73 2002/12/30 02:18:29 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2043,8 +2043,8 @@ lseg_center(PG_FUNCTION_ARGS)
 
 	result = (Point *) palloc(sizeof(Point));
 
-	result->x = (lseg->p[0].x - lseg->p[1].x) / 2.0;
-	result->y = (lseg->p[0].y - lseg->p[1].y) / 2.0;
+	result->x = (lseg->p[0].x + lseg->p[1].x) / 2.0;
+	result->y = (lseg->p[0].y + lseg->p[1].y) / 2.0;
 
 	PG_RETURN_POINT_P(result);
 }

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.72 2002/11/29 19:25:33 tgl Exp $`
	`11`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/geo_ops.c,v 1.73 2002/12/30 02:18:29 tgl Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -2043,8 +2043,8 @@ lseg_center(PG_FUNCTION_ARGS)`
`2043`	`2043`
`2044`	`2044`	`result = (Point *) palloc(sizeof(Point));`
`2045`	`2045`
`2046`		`- result->x = (lseg->p[0].x - lseg->p[1].x) / 2.0;`
`2047`		`- result->y = (lseg->p[0].y - lseg->p[1].y) / 2.0;`
	`2046`	`+ result->x = (lseg->p[0].x + lseg->p[1].x) / 2.0;`
	`2047`	`+ result->y = (lseg->p[0].y + lseg->p[1].y) / 2.0;`
`2048`	`2048`
`2049`	`2049`	`PG_RETURN_POINT_P(result);`
`2050`	`2050`	`}`