BOX2D_overlap()

Datum BOX2D_overlap

(

PG_FUNCTION_ARGS

)

Definition at line 190 of file lwgeom_box.c.

{
        GBOX               *box1 = (GBOX *) PG_GETARG_POINTER(0);
        GBOX               *box2 = (GBOX *) PG_GETARG_POINTER(1);
        bool       result;
 
 
        result = ((FPge(box1->xmax, box2->xmax) &&
                   FPle(box1->xmin, box2->xmax)) ||
                  (FPge(box2->xmax, box1->xmax) &&
                   FPle(box2->xmin, box1->xmax)))
                 &&
                 ((FPge(box1->ymax, box2->ymax) &&
                   FPle(box1->ymin, box2->ymax)) ||
                  (FPge(box2->ymax, box1->ymax) &&
                   FPle(box2->ymin, box1->ymax)));
 
        PG_RETURN_BOOL(result);
}

References GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.