PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ cmp_point_y()

static int cmp_point_y ( const void *  pa,
const void *  pb 
)
static

Definition at line 1582 of file lwgeom.c.

1583 {
1584  LWPOINT *p1 = *((LWPOINT **)pa);
1585  LWPOINT *p2 = *((LWPOINT **)pb);
1586 
1587  const POINT2D *pt1 = getPoint2d_cp(p1->point, 0);
1588  const POINT2D *pt2 = getPoint2d_cp(p2->point, 0);
1589 
1590  return (pt1->y > pt2->y) ? 1 : ((pt1->y < pt2->y) ? -1 : 0);
1591 }
getPoint2d_cp
static const POINT2D * getPoint2d_cp(const POINTARRAY *pa, uint32_t n)
Returns a POINT2D pointer into the POINTARRAY serialized_ptlist, suitable for reading from.
Definition: lwinline.h:101
LWPOINT::point
POINTARRAY * point
Definition: liblwgeom.h:471
POINT2D::y
double y
Definition: liblwgeom.h:390

References getPoint2d_cp(), LWPOINT::point, and POINT2D::y.

Referenced by lwgeom_remove_repeated_points_in_place().

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