function [ xmin, xmax, ymin, ymax ] = region_box ( )

%*****************************************************************************80
%
%% region_box returns the minimum and maximum x and y values of the region.
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    10 April 2019
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, real XMIN, XMAX, YMIN, YMAX, the argument ranges.
%
  xmin = 0.0;
  xmax = 1.0;
  ymin = 0.0;
  ymax = 1.0;

  return
end
