PostGIS  2.1.10dev-r@@SVN_REVISION@@
Datum geography_le ( PG_FUNCTION_ARGS  )

Definition at line 78 of file geography_btree.c.

References FALSE, geography_gidx_center(), TRUE, POINT3D::x, POINT3D::y, and POINT3D::z.

79 {
80  /* Put aside some stack memory and use it for GIDX pointers. */
81  char gboxmem1[GIDX_MAX_SIZE];
82  char gboxmem2[GIDX_MAX_SIZE];
83  GIDX *gbox1 = (GIDX*)gboxmem1;
84  GIDX *gbox2 = (GIDX*)gboxmem2;
85  POINT3D p1, p2;
86 
87  /* Must be able to build box for each argument (ie, not empty geometry) */
88  if ( ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(0), gbox1) ||
89  ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(1), gbox2) )
90  {
91  PG_RETURN_BOOL(FALSE);
92  }
93 
94  geography_gidx_center(gbox1, &p1);
95  geography_gidx_center(gbox2, &p2);
96 
97  if ( p1.x <= p2.x || p1.y <= p2.y || p1.z <= p2.z )
98  PG_RETURN_BOOL(TRUE);
99 
100  PG_RETURN_BOOL(FALSE);
101 }
double y
Definition: liblwgeom.h:296
double x
Definition: liblwgeom.h:296
double z
Definition: liblwgeom.h:296
static void geography_gidx_center(GIDX *gidx, POINT3D *p)
#define FALSE
Definition: dbfopen.c:169
#define TRUE
Definition: dbfopen.c:170

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