ratio_abs_pass.cpp 1.5 KB

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  1. //===----------------------------------------------------------------------===//
  2. //
  3. // The LLVM Compiler Infrastructure
  4. //
  5. // This file is dual licensed under the MIT and the University of Illinois Open
  6. // Source Licenses. See LICENSE.TXT for details.
  7. //
  8. //===----------------------------------------------------------------------===//
  9. // Adaptation to Boost of the libcxx
  10. // Copyright 2010 Vicente J. Botet Escriba
  11. // Distributed under the Boost Software License, Version 1.0.
  12. // See http://www.boost.org/LICENSE_1_0.txt
  13. // test ratio_abs
  14. #define BOOST_RATIO_EXTENSIONS
  15. #include <boost/ratio/ratio.hpp>
  16. #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  17. #define NOTHING ""
  18. #endif
  19. void test()
  20. {
  21. {
  22. typedef boost::ratio<0> R1;
  23. typedef boost::ratio_abs<R1> R;
  24. BOOST_RATIO_STATIC_ASSERT(R::num == 0 && R::den == 1, NOTHING, ());
  25. }
  26. {
  27. typedef boost::ratio<1, 1> R1;
  28. typedef boost::ratio_abs<R1> R;
  29. BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 1, NOTHING, ());
  30. }
  31. {
  32. typedef boost::ratio<1, 2> R1;
  33. typedef boost::ratio_abs<R1> R;
  34. BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  35. }
  36. {
  37. typedef boost::ratio<-1, 2> R1;
  38. typedef boost::ratio_abs<R1> R;
  39. BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  40. }
  41. {
  42. typedef boost::ratio<1, -2> R1;
  43. typedef boost::ratio_abs<R1> R;
  44. BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  45. }
  46. }