LWGEOM_inside_circle_point()

Datum LWGEOM_inside_circle_point

(

PG_FUNCTION_ARGS

)

Definition at line 1093 of file lwgeom_functions_basic.c.

References dumpnode::geom, lwgeom_as_lwpoint(), LWGEOM_collect(), lwgeom_from_gserialized(), lwgeom_is_empty(), lwpoint_free(), lwpoint_inside_circle(), and PG_FUNCTION_INFO_V1().

Referenced by ST_WrapX().

{
        GSERIALIZED *geom;
        double cx = PG_GETARG_FLOAT8(1);
        double cy = PG_GETARG_FLOAT8(2);
        double rr = PG_GETARG_FLOAT8(3);
        LWPOINT *lwpoint;
        LWGEOM *lwgeom;
        int inside;

        geom = PG_GETARG_GSERIALIZED_P(0);
        lwgeom = lwgeom_from_gserialized(geom);
        lwpoint = lwgeom_as_lwpoint(lwgeom);
        if ( lwpoint == NULL || lwgeom_is_empty(lwgeom) )
        {
                PG_FREE_IF_COPY(geom, 0);
                PG_RETURN_NULL(); /* not a point */
        }

        inside = lwpoint_inside_circle(lwpoint, cx, cy, rr);
        lwpoint_free(lwpoint);

        PG_FREE_IF_COPY(geom, 0);
        PG_RETURN_BOOL(inside);
}

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