lwgeom_le()

Datum lwgeom_le

(

PG_FUNCTION_ARGS

)

Definition at line 105 of file lwgeom_btree.c.

References error_if_srid_mismatch(), FALSE, FPeq, gserialized_get_gbox_p(), gserialized_get_srid(), LW_FAILURE, lwgeom_eq(), PG_FUNCTION_INFO_V1(), TRUE, GBOX::xmax, GBOX::xmin, GBOX::ymax, and GBOX::ymin.

Referenced by lwgeom_lt().

{
        GSERIALIZED *geom1 = PG_GETARG_GSERIALIZED_P(0);
        GSERIALIZED *geom2 = PG_GETARG_GSERIALIZED_P(1);
        GBOX box1;
        GBOX box2;
        bool empty1, empty2;

        POSTGIS_DEBUG(2, "lwgeom_le called");

        error_if_srid_mismatch(gserialized_get_srid(geom1), gserialized_get_srid(geom2));

        empty1 = ( gserialized_get_gbox_p(geom1, &box1) == LW_FAILURE );
        empty2 = ( gserialized_get_gbox_p(geom2, &box2) == LW_FAILURE );

        PG_FREE_IF_COPY(geom1, 0);
        PG_FREE_IF_COPY(geom2, 1);

        if  ( empty1 != empty2 )
        {
                PG_RETURN_BOOL(FALSE);
        }

        if  ( ! FPeq(box1.xmin , box2.xmin) )
        {
                if  (box1.xmin < box2.xmin)
                {
                        PG_RETURN_BOOL(TRUE);
                }
                PG_RETURN_BOOL(FALSE);
        }

        if  ( ! FPeq(box1.ymin , box2.ymin) )
        {
                if  (box1.ymin < box2.ymin)
                {
                        PG_RETURN_BOOL(TRUE);
                }
                PG_RETURN_BOOL(FALSE);
        }

        if  ( ! FPeq(box1.xmax , box2.xmax) )
        {
                if  (box1.xmax < box2.xmax)
                {
                        PG_RETURN_BOOL(TRUE);
                }
                PG_RETURN_BOOL(FALSE);
        }

        if  ( ! FPeq(box1.ymax , box2.ymax) )
        {
                if  (box1.ymax < box2.ymax)
                {
                        PG_RETURN_BOOL(TRUE);
                }
                PG_RETURN_BOOL(FALSE);
        }

        PG_RETURN_BOOL(TRUE);
}

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