function point_num = product_rule_size ( point_num_1d, dim_num )

%% PRODUCT_RULE_SIZE returns the size of a product rule.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license. 
%
%  Modified:
%
%    05 May 2007
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Input, integer POINT_NUM_1D, the number of points in the 1D rule.
%
%    Input, integer DIM_NUM, the spatial dimension.
%
%    Output, integer POINT_NUM, the number of points in the product rule.
%
  point_num = point_num_1d^dim_num;