Commit423f69a

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Allow single-point polygons to be converted to circles

This allows finding the center of a single-point polygon and convertingit to a point.Per report from Josef Grahn

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Lines changed: 1 addition & 6 deletions

Original file line number	Diff line number	Diff line change
`@@ -5191,7 +5191,7 @@ poly_circle(PG_FUNCTION_ARGS)`
`5191`	`5191`	`CIRCLE*circle;`
`5192`	`5192`	`inti;`
`5193`	`5193`
`5194`		`-if (poly->npts<2)`
	`5194`	`+if (poly->npts<1)`
`5195`	`5195`	`ereport(ERROR,`
`5196`	`5196`	`(errcode(ERRCODE_INVALID_PARAMETER_VALUE),`
`5197`	`5197`	`errmsg("cannot convert empty polygon to circle")));`
`@@ -5214,11 +5214,6 @@ poly_circle(PG_FUNCTION_ARGS)`
`5214`	`5214`	`circle->radius+=point_dt(&poly->p[i],&circle->center);`
`5215`	`5215`	`circle->radius /=poly->npts;`
`5216`	`5216`
`5217`		`-if (FPzero(circle->radius))`
`5218`		`-ereport(ERROR,`
`5219`		`-(errcode(ERRCODE_INVALID_PARAMETER_VALUE),`
`5220`		`-errmsg("cannot convert empty polygon to circle")));`
`5221`		`-`
`5222`	`5217`	`PG_RETURN_CIRCLE_P(circle);`
`5223`	`5218`	`}`
`5224`	`5219`

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