function c = fresnel_cos ( x )

%*****************************************************************************80
%
%% fresnel_cos() evaluates the Fresnel cosine integral C(x).
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    08 July 2025
%
%  Author:
%
%    John Burkardt.
%
%  Reference:
%
%    Shanjie Zhang, Jianming Jin,
%    Computation of Special Functions,
%    Wiley, 1996,
%    ISBN: 0-471-11963-6,
%    LC: QA351.C45.
%
%  Input:
%
%    real X: the argument.
%
%  Output:
%
%    real C: the Fresnel cosine integral value at X.
%
  [ c, s ] = fresnel ( x );

  return
end

