gserialized_distance_centroid_2d()

Datum gserialized_distance_centroid_2d

(

PG_FUNCTION_ARGS

)

Definition at line 811 of file gserialized_gist_2d.c.

{
        BOX2DF b1, b2;
        Datum gs1 = PG_GETARG_DATUM(0);
        Datum gs2 = PG_GETARG_DATUM(1);
 
        POSTGIS_DEBUG(3, "entered function");
 
        /* Must be able to build box for each argument (ie, not empty geometry). */
        if ( (gserialized_datum_get_box2df_p(gs1, &b1) == LW_SUCCESS) &&
             (gserialized_datum_get_box2df_p(gs2, &b2) == LW_SUCCESS) )
        {
                double distance = box2df_distance_leaf_centroid(&b1, &b2);
                POSTGIS_DEBUGF(3, "got boxes %s and %s", box2df_to_string(&b1), box2df_to_string(&b2));
                PG_RETURN_FLOAT8(distance);
        }
        PG_RETURN_FLOAT8(FLT_MAX);
}

References box2df_distance_leaf_centroid(), box2df_to_string(), distance(), gserialized_datum_get_box2df_p(), and LW_SUCCESS.

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