function value = r8vec_normsq_affine ( n, v0, v1 )

%*****************************************************************************80
%
%% R8VEC_NORMSQ_AFFINE returns the sqaured affine norm of an R8VEC.
%
%  Discussion:
%
%    An R8VEC is a vector of R8's.
%
%    The squared affine vector L2 norm is defined as:
%
%      R8VEC_NORMSQ_AFFINE(V0,V1) 
%        = sum ( 1 <= I <= N ) ( V1(I) - V0(I) )^2
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license. 
%
%  Modified:
%
%    28 October 2010
%
%  Author:
%
%    John Burkardt
%
%  Parameters:
%
%    Input, integer N, the vector dimnension.
%
%    Input, real V0(N), the base vector.
%
%    Input, real V1(N), the vector.
%
%    Output, real VALUE, the squared affine L2 norm.
%
  value = sum ( ( v0(1:n) - v1(1:n) ).^2 );

  return
end