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fix next|prev_permutation implementations

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bolero-MURAKAMI 2014-04-14 15:16:05 +09:00
parent 057dec630c
commit 2c0b1d4513
8 changed files with 150 additions and 141 deletions
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16
sprout/algorithm/fixed/next_permutation.hpp
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@ -15,8 +15,14 @@
#include <sprout/algorithm/fixed/results.hpp>
#include <sprout/algorithm/fixed/swap_element.hpp>
#include <sprout/algorithm/fixed/reverse_copy.hpp>
#include <sprout/algorithm/fixed/reverse.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/detail/predef.hpp>
#if SPROUT_GCC_EARLIER(4, 8, 2)
# include <sprout/algorithm/fit/reverse_copy.hpp>
# include <sprout/range/algorithm/fixed/copy_backward.hpp>
#else
# include <sprout/iterator/reverse_iterator.hpp>
# include <sprout/algorithm/fixed/copy_backward.hpp>
#endif
#include <sprout/utility/pair/pair.hpp>
#include HDR_FUNCTIONAL_SSCRISK_CEL_OR_SPROUT
@ -27,7 +33,11 @@ namespace sprout {
inline SPROUT_CONSTEXPR Result
next_permutation_impl_4(Container const& cont, Difference d) {
return Result(
sprout::get_internal(sprout::fixed::reverse(sprout::sub_array<Container const&>(cont, d, sprout::size(cont)))),
#if SPROUT_GCC_EARLIER(4, 8, 2)
sprout::range::fixed::copy_backward(sprout::fit::reverse_copy(sprout::next(sprout::begin(cont), d), sprout::end(cont), cont), cont),
#else
sprout::fixed::copy_backward(sprout::make_reverse_iterator(sprout::end(cont)), sprout::make_reverse_iterator(sprout::next(sprout::begin(cont), d)), cont),
#endif
true
);
}