function value = fxsd1 ( x )

%*****************************************************************************80
%
%% fxsd1() evaluates the function x / sqrt ( 1.1 - x^2 ).
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    12 October 2005
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real X, the argument of the function.
%
%  Output:
%
%    real FXSD1, the value of the function.
%
  value = x ./ sqrt ( 1.1 - x.^2 );

  return
end
