PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ geography_le()

Datum geography_le ( PG_FUNCTION_ARGS  )

Definition at line 77 of file geography_btree.c.

References FALSE, geography_gidx_center(), geography_gt(), PG_FUNCTION_INFO_V1(), TRUE, POINT3D::x, POINT3D::y, and POINT3D::z.

Referenced by geography_lt().

78 {
79  /* Put aside some stack memory and use it for GIDX pointers. */
80  char gboxmem1[GIDX_MAX_SIZE];
81  char gboxmem2[GIDX_MAX_SIZE];
82  GIDX *gbox1 = (GIDX*)gboxmem1;
83  GIDX *gbox2 = (GIDX*)gboxmem2;
84  POINT3D p1, p2;
85 
86  /* Must be able to build box for each argument (ie, not empty geometry) */
87  if ( ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(0), gbox1) ||
88  ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(1), gbox2) )
89  {
90  PG_RETURN_BOOL(FALSE);
91  }
92 
93  geography_gidx_center(gbox1, &p1);
94  geography_gidx_center(gbox2, &p2);
95 
96  if ( p1.x <= p2.x || p1.y <= p2.y || p1.z <= p2.z )
97  PG_RETURN_BOOL(TRUE);
98 
99  PG_RETURN_BOOL(FALSE);
100 }
double y
Definition: liblwgeom.h:324
double x
Definition: liblwgeom.h:324
double z
Definition: liblwgeom.h:324
static void geography_gidx_center(GIDX *gidx, POINT3D *p)
#define FALSE
Definition: dbfopen.c:168
#define TRUE
Definition: dbfopen.c:169
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