----------------------------------------------------------------------------
--  func_pkg.vhd
--	Function Package
--	Version 1.0
--
--  Copyright (C) 2017 H.Poetzl
--
--	This program is free software: you can redistribute it and/or
--	modify it under the terms of the GNU General Public License
--	as published by the Free Software Foundation, either version
--	2 of the License, or (at your option) any later version.
--
----------------------------------------------------------------------------

library IEEE;
use IEEE.std_logic_1164.ALL;

package func_pkg is

    function f_div_ceil (constant dividend, divisor : in integer)
	return integer;

end package;

package body func_pkg is

    function f_div_ceil (constant dividend, divisor : in integer)
	return integer is
	variable i : integer;
	variable diff_tmp : integer;
    begin
	i := 1;
	diff_tmp := dividend - divisor;
	for j in 0 to (2**31) loop
	    if (diff_tmp > 0) then
	        diff_tmp := diff_tmp - divisor;
	        i := i + 1;
	    else
	        exit;
	    end if;
	end loop;
	return i;
    end function;

end package body;