PostGIS  2.2.7dev-r@@SVN_REVISION@@
Datum geography_ge ( PG_FUNCTION_ARGS  )

Definition at line 137 of file geography_btree.c.

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

138 {
139  /* Put aside some stack memory and use it for GIDX pointers. */
140  char gboxmem1[GIDX_MAX_SIZE];
141  char gboxmem2[GIDX_MAX_SIZE];
142  GIDX *gbox1 = (GIDX*)gboxmem1;
143  GIDX *gbox2 = (GIDX*)gboxmem2;
144  POINT3D p1, p2;
145 
146  /* Must be able to build box for each argument (ie, not empty geometry) */
147  if ( ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(0), gbox1) ||
148  ! gserialized_datum_get_gidx_p(PG_GETARG_DATUM(1), gbox2) )
149  {
150  PG_RETURN_BOOL(FALSE);
151  }
152 
153  geography_gidx_center(gbox1, &p1);
154  geography_gidx_center(gbox2, &p2);
155 
156  if ( p1.x >= p2.x && p1.y >= p2.y && p1.z >= p2.z )
157  PG_RETURN_BOOL(TRUE);
158 
159  PG_RETURN_BOOL(FALSE);
160 }
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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