ceph/src/boost/libs/multiprecision/test/test_cpp_int_lit.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //  Copyright 2013 John Maddock. Distributed under the Boost
   3 //  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 #include <boost/multiprecision/cpp_int.hpp>
   7 #include "test.hpp"
   8
   9 #if ! (BOOST_WORKAROUND(BOOST_MSVC, <= 1900) && defined(CI_SUPPRESS_KNOWN_ISSUES)) && defined(BOOST_MP_USER_DEFINED_LITERALS)
  10
  11 using namespace boost::multiprecision;
  12
  13 template <class T>
  14 void test_literal(T val, const char* p)
  15 {
  16    BOOST_CHECK_EQUAL(val, cpp_int(p));
  17 }
  18
  19 #define TEST_LITERAL(x)\
  20 {\
  21    constexpr auto val1 = BOOST_JOIN(x, _cppi);\
  22    constexpr int1024_t val2 = BOOST_JOIN(x, _cppi1024);\
  23    constexpr auto val3 = BOOST_JOIN(x, _cppui);\
  24    constexpr uint1024_t val4 = BOOST_JOIN(x, _cppui1024);\
  25    test_literal(val1, BOOST_STRINGIZE(x));\
  26    test_literal(val2, BOOST_STRINGIZE(x));\
  27    test_literal(val3, BOOST_STRINGIZE(x));\
  28    test_literal(val4, BOOST_STRINGIZE(x));\
  29    /* Negative values: */\
  30    constexpr auto val5 = -BOOST_JOIN(x, _cppi);\
  31    constexpr int1024_t val6 = -BOOST_JOIN(x, _cppi1024);\
  32    constexpr auto val7 = -val1;\
  33    constexpr int1024_t val8 = -val2;\
  34    BOOST_CHECK_EQUAL(val5, -cpp_int(val1));\
  35    BOOST_CHECK_EQUAL(val6, -cpp_int(val1));\
  36    BOOST_CHECK_EQUAL(val7, -cpp_int(val1));\
  37    BOOST_CHECK_EQUAL(val8, -cpp_int(val1));\
  38 }\
  39
  40 int main()
  41 {
  42    using namespace boost::multiprecision::literals;
  43    TEST_LITERAL(0x0);
  44    TEST_LITERAL(0x00000);
  45    TEST_LITERAL(0x10000000);
  46    TEST_LITERAL(0x1234500000000123450000000123345000678000000456000000567000000fefabc00000000000000);
  47    return boost::report_errors();
  48 }
  49
  50 #else
  51
  52 int main() { return 0; }
  53
  54
  55 #endif