gserialized_expand()

GSERIALIZED* gserialized_expand	(	GSERIALIZED *	g,
		double	distance
	)

Return a GSERIALIZED with an expanded bounding box.

Definition at line 779 of file gserialized_gist_nd.c.

References gserialized_distance_nd(), LW_FAILURE, and PG_FUNCTION_INFO_V1().

Referenced by geography_expand().

{
        char boxmem[GIDX_MAX_SIZE];
        GIDX *gidx = (GIDX*)boxmem;
        float fdistance = (float)distance;

        /* Get our bounding box out of the geography, return right away if
           input is an EMPTY geometry. */
        if ( gserialized_get_gidx_p(g, gidx) == LW_FAILURE )
        {
                return g;
        }

        gidx_expand(gidx, fdistance);

        return gserialized_set_gidx(g, gidx);
}

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