PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ ptarray_is_closed_3d()

int ptarray_is_closed_3d ( const POINTARRAY pa)

Definition at line 707 of file ptarray.c.

References getPoint_internal(), lwerror(), and POINTARRAY::npoints.

Referenced by lwcircstring_is_closed(), lwline_is_closed(), lwpoly_is_closed(), lwtriangle_from_lwline(), parse_gml_linearring(), parse_gml_patch(), parse_gml_polygon(), parse_gml_triangle(), parse_kml_polygon(), and ptarray_is_closed_z().

708 {
709  if (!in)
710  {
711  lwerror("ptarray_is_closed_3d: called with null point array");
712  return 0;
713  }
714  if (in->npoints <= 1 ) return in->npoints; /* single-point are closed, empty not closed */
715 
716  return 0 == memcmp(getPoint_internal(in, 0), getPoint_internal(in, in->npoints-1), sizeof(POINT3D) );
717 }
uint8_t * getPoint_internal(const POINTARRAY *pa, int n)
Definition: ptarray.c:1706
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:74
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