library verilog;use verilog.vl_types.all;entity lpm_constant is    generic(        lpm_width       : integer := 1;        lpm_cvalue      : integer := 0;        lpm_strength    : string  := "UNUSED";        lpm_type        : string  := "lpm_constant";        lpm_hint        : string  := "UNUSED"    );    port(        result          : out    vl_logic_vector    );end lpm_constant;