ceph/src/boost/libs/safe_numerics/test/test_divide_native.cpp

   1 //  Copyright (c) 2012 Robert Ramey
   2 //
   3 // Distributed under the Boost Software License, Version 1.0. (See
   4 // accompanying file LICENSE_1_0.txt or copy at
   5 // http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <iostream>
   8
   9 #include <boost/safe_numerics/safe_integer.hpp>
  10 #include <boost/safe_numerics/native.hpp>
  11 #include "test_divide_native_results.hpp"
  12
  13 template <class T>
  14 using safe_t = boost::safe_numerics::safe<
  15     T,
  16     boost::safe_numerics::native
  17 >;
  18 #include "test_divide.hpp"
  19
  20 using namespace boost::mp11;
  21
  22 #include <boost/mp11/list.hpp>
  23 #include <boost/mp11/algorithm.hpp>
  24 #include <boost/mp11/algorithm.hpp>
  25 #include <boost/core/demangle.hpp>
  26
  27 template<typename L>
  28 struct test {
  29     static_assert(mp_is_list<L>(), "must be a list of integral constants");
  30     bool m_error;
  31     test(bool b = true) : m_error(b) {}
  32     operator bool(){
  33         return m_error;
  34     }
  35     template<typename T>
  36     void operator()(const T &){
  37         static_assert(mp_is_list<T>(), "must be a list of two integral constants");
  38         constexpr size_t i1 = mp_first<T>(); // index of first argument
  39         constexpr size_t i2 = mp_second<T>();// index of second argument
  40         std::cout << i1 << ',' << i2 << ',';
  41         using T1 = typename mp_at_c<L, i1>::value_type;
  42         using T2 = typename mp_at_c<L, i2>::value_type;
  43         m_error &= test_divide(
  44             mp_at_c<L, i1>()(), // value of first argument
  45             mp_at_c<L, i2>()(), // value of second argument
  46             boost::core::demangle(typeid(T1).name()).c_str(),
  47             boost::core::demangle(typeid(T2).name()).c_str(),
  48             test_division_native_result[i1][i2]
  49         );
  50     }
  51 };
  52
  53 int main(){
  54     test<test_values> rval(true);
  55
  56     using value_indices = mp_iota_c<mp_size<test_values>::value>;
  57     mp_for_each<
  58         mp_product<mp_list, value_indices, value_indices>
  59     >(rval);
  60
  61     std::cout << (rval ? "success!" : "failure") << std::endl;
  62     return ! rval ;
  63 }