test_cpp_int_lit.cpp 2.1 KB

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