div_base.hpp 2.5 KB

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  1. # /* Copyright (C) 2001
  2. # * Housemarque Oy
  3. # * http://www.housemarque.com
  4. # *
  5. # * Distributed under the Boost Software License, Version 1.0. (See
  6. # * accompanying file LICENSE_1_0.txt or copy at
  7. # * http://www.boost.org/LICENSE_1_0.txt)
  8. # */
  9. #
  10. # /* Revised by Paul Mensonides (2002) */
  11. #
  12. # /* See http://www.boost.org for most recent version. */
  13. #
  14. # ifndef BOOST_PREPROCESSOR_ARITHMETIC_DETAIL_DIV_BASE_HPP
  15. # define BOOST_PREPROCESSOR_ARITHMETIC_DETAIL_DIV_BASE_HPP
  16. #
  17. # include <boost/preprocessor/arithmetic/inc.hpp>
  18. # include <boost/preprocessor/arithmetic/sub.hpp>
  19. # include <boost/preprocessor/comparison/less_equal.hpp>
  20. # include <boost/preprocessor/config/config.hpp>
  21. # include <boost/preprocessor/control/while.hpp>
  22. # include <boost/preprocessor/tuple/elem.hpp>
  23. # include <boost/preprocessor/tuple/rem.hpp>
  24. #
  25. # /* BOOST_PP_DIV_BASE */
  26. #
  27. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  28. # define BOOST_PP_DIV_BASE(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
  29. # else
  30. # define BOOST_PP_DIV_BASE(x, y) BOOST_PP_DIV_BASE_I(x, y)
  31. # define BOOST_PP_DIV_BASE_I(x, y) BOOST_PP_WHILE(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
  32. # endif
  33. #
  34. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  35. # define BOOST_PP_DIV_BASE_P(d, rxy) BOOST_PP_DIV_BASE_P_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
  36. # define BOOST_PP_DIV_BASE_P_IM(d, im) BOOST_PP_DIV_BASE_P_I(d, im)
  37. # else
  38. # define BOOST_PP_DIV_BASE_P(d, rxy) BOOST_PP_DIV_BASE_P_I(d, BOOST_PP_TUPLE_ELEM(3, 0, rxy), BOOST_PP_TUPLE_ELEM(3, 1, rxy), BOOST_PP_TUPLE_ELEM(3, 2, rxy))
  39. # endif
  40. #
  41. # define BOOST_PP_DIV_BASE_P_I(d, r, x, y) BOOST_PP_LESS_EQUAL_D(d, y, x)
  42. #
  43. # if BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_STRICT()
  44. # define BOOST_PP_DIV_BASE_O(d, rxy) BOOST_PP_DIV_BASE_O_IM(d, BOOST_PP_TUPLE_REM_3 rxy)
  45. # define BOOST_PP_DIV_BASE_O_IM(d, im) BOOST_PP_DIV_BASE_O_I(d, im)
  46. # else
  47. # define BOOST_PP_DIV_BASE_O(d, rxy) BOOST_PP_DIV_BASE_O_I(d, BOOST_PP_TUPLE_ELEM(3, 0, rxy), BOOST_PP_TUPLE_ELEM(3, 1, rxy), BOOST_PP_TUPLE_ELEM(3, 2, rxy))
  48. # endif
  49. #
  50. # define BOOST_PP_DIV_BASE_O_I(d, r, x, y) (BOOST_PP_INC(r), BOOST_PP_SUB_D(d, x, y), y)
  51. #
  52. # /* BOOST_PP_DIV_BASE_D */
  53. #
  54. # if ~BOOST_PP_CONFIG_FLAGS() & BOOST_PP_CONFIG_EDG()
  55. # define BOOST_PP_DIV_BASE_D(d, x, y) BOOST_PP_WHILE_ ## d(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
  56. # else
  57. # define BOOST_PP_DIV_BASE_D(d, x, y) BOOST_PP_DIV_BASE_D_I(d, x, y)
  58. # define BOOST_PP_DIV_BASE_D_I(d, x, y) BOOST_PP_WHILE_ ## d(BOOST_PP_DIV_BASE_P, BOOST_PP_DIV_BASE_O, (0, x, y))
  59. # endif
  60. #
  61. # endif