gserialized_datum_predicate_2d()

static int gserialized_datum_predicate_2d ( Datum  gs1, Datum  gs2, box2df_predicate  predicate  )

static

Support function.

Based on two datums return true if they satisfy the predicate and false otherwise.

Definition at line 655 of file gserialized_gist_2d.c.

References box2df_to_string(), gserialized_datum_get_box2df_p(), LW_FALSE, LW_SUCCESS, and LW_TRUE.

Referenced by gserialized_above_2d(), gserialized_below_2d(), gserialized_contains_2d(), gserialized_left_2d(), gserialized_overabove_2d(), gserialized_overbelow_2d(), gserialized_overlaps_2d(), gserialized_overleft_2d(), gserialized_overright_2d(), gserialized_right_2d(), gserialized_same_2d(), and gserialized_within_2d().

{
        BOX2DF b1, b2, *br1=NULL, *br2=NULL;
        POSTGIS_DEBUG(3, "entered function");

        if (gserialized_datum_get_box2df_p(gs1, &b1) == LW_SUCCESS) br1 = &b1;
        if (gserialized_datum_get_box2df_p(gs2, &b2) == LW_SUCCESS) br2 = &b2;

        if ( predicate(br1, br2) )
        {
                POSTGIS_DEBUGF(3, "got boxes %s and %s", br1 ? box2df_to_string(&b1) : "(null)", br2 ? box2df_to_string(&b2) : "(null)");
                return LW_TRUE;
        }
        return LW_FALSE;
}

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