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

   1 //  Copyright John Maddock 2006.
   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/sign.hpp>
   7 // #includes all the files that it needs to.
   8 //
   9 #include <boost/math/special_functions/sign.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    check_result<int>(boost::math::sign<float>(f));
  19    check_result<int>(boost::math::sign<double>(d));
  20 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  21    check_result<int>(boost::math::sign<long double>(l));
  22 #endif
  23
  24    check_result<int>(boost::math::signbit<float>(f));
  25    check_result<int>(boost::math::signbit<double>(d));
  26 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  27    check_result<int>(boost::math::signbit<long double>(l));
  28 #endif
  29
  30    check_result<float>(boost::math::copysign<float>(f, f));
  31    check_result<double>(boost::math::copysign<double>(d, d));
  32 #ifndef BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS
  33    check_result<long double>(boost::math::copysign<long double>(l, l));
  34 #endif
  35 }