PostGIS  3.0.0dev-r@@SVN_REVISION@@

◆ BOX2D_union()

Datum BOX2D_union ( PG_FUNCTION_ARGS  )

Definition at line 363 of file lwgeom_box.c.

References BOX2D_expand(), gbox_union(), lwalloc(), and PG_FUNCTION_INFO_V1().

Referenced by BOX2D_intersects().

364 {
365  GBOX *a = (GBOX*) PG_GETARG_POINTER(0);
366  GBOX *b = (GBOX*) PG_GETARG_POINTER(1);
367  GBOX *n;
368 
369  n = (GBOX *) lwalloc(sizeof(GBOX));
370  if ( ! gbox_union(a,b,n) ) PG_RETURN_NULL();
371  PG_RETURN_POINTER(n);
372 }
int gbox_union(const GBOX *g1, const GBOX *g2, GBOX *gout)
Update the output GBOX to be large enough to include both inputs.
Definition: g_box.c:142
void * lwalloc(size_t size)
Definition: lwutil.c:227
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