function value = tetrahedron01_volume ( )

%*****************************************************************************80
%
%% TETRAHEDRON01_VOLUME: volume of the unit tetrahedron in 3D.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    16 January 2018
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Output, real TETRAHEDRON01_VOLUME, the volume.
%
  value = 1.0 / 6.0;

  return
end
