ceph/src/boost/libs/safe_numerics/test/test_modulus_constexpr.hpp

   1 #ifndef BOOST_TEST_ADD_CONSTEXPR_HPP
   2 #define BOOST_TEST_ADD_CONSTEXPR_HPP
   3
   4 //  Copyright (c) 2015 Robert Ramey
   5 //
   6 // Distributed under the Boost Software License, Version 1.0. (See
   7 // accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 #include <boost/safe_numerics/safe_integer.hpp>
  11
  12 template<class T1, class T2>
  13 constexpr bool test_modulus_constexpr(
  14     T1 v1,
  15     T2 v2,
  16     char expected_result
  17 ){
  18     using namespace boost::safe_numerics;
  19     // if we don't expect the operation to pass, we can't
  20     // check the constexpr version of the calculation so
  21     // just return success.
  22     if(expected_result == 'x')
  23         return true;
  24     safe_t<T1>(v1) % v2;
  25     v1 % safe_t<T2>(v2);
  26     safe_t<T1>(v1) % safe_t<T2>(v2);
  27     return true; // correct result
  28 }
  29
  30 #endif // BOOST_TEST_ADD_CONSTEXPR_HPP