ceph/src/boost/libs/math/test/compile_test/numerical_differentiation_incl_test.cpp

   1 //  Copyright Nick Thompson 2017.
   2 //  Use, modification and distribution are subject to the
   3 //  Boost Software License, Version 1.0. (See accompanying file
   4 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   5 //
   6 // Basic sanity check that header <boost/math/special_functions/gamma.hpp>
   7 // #includes all the files that it needs to.
   8 //
   9 #include <boost/math/differentiation/finite_difference.hpp>
  10 //
  11 // Note this header includes no other headers, this is
  12 // important if this test is to be meaningful:
  13 //
  14 #include "test_compile_result.hpp"
  15
  16 void compile_and_link_test()
  17 {
  18     auto f = [](double x) { return x; };
  19     double x = 0;
  20     check_result<double>(boost::math::differentiation::finite_difference_derivative(f, x));
  21
  22     auto g = [](std::complex<double> x){ return x;};
  23     check_result<double>(boost::math::differentiation::complex_step_derivative(g, x));
  24 }