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fix type: SPROUT_UNIQUE_SEED

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bolero-MURAKAMI 2013-08-07 16:49:27 +09:00
parent 2236d03165
commit c0589d9925
1 changed files with 8 additions and 7 deletions
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15
sprout/random/unique_seed.hpp
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@ -2,6 +2,7 @@
#define SPROUT_RANDOM_UNIQUE_SEED_HPP
#include <cstddef>
#include <cstdint>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/array/array.hpp>
@ -13,34 +14,34 @@ namespace sprout {
// make_seed
//
template<typename T>
SPROUT_CONSTEXPR std::size_t
SPROUT_CONSTEXPR std::uint_least32_t
make_seed(T const& v) {
return sprout::to_hash(v);
return static_cast<std::uint_least32_t>(sprout::to_hash(v));
}
namespace detail {
template<std::size_t N, typename T, typename... Args>
SPROUT_CONSTEXPR typename std::enable_if<
sizeof...(Args) + 1 == N,
sprout::array<std::size_t, N>
sprout::array<std::uint_least32_t, N>
>::type
make_seed_seq_impl(T const&, std::size_t seed, Args const&... args) {
return sprout::array<std::size_t, N>{{args..., seed}};
return sprout::array<std::uint_least32_t, N>{{args..., static_cast<std::uint_least32_t>(seed)}};
}
template<std::size_t N, typename T, typename... Args>
SPROUT_CONSTEXPR typename std::enable_if<
sizeof...(Args) + 1 != N,
sprout::array<std::size_t, N>
sprout::array<std::uint_least32_t, N>
>::type
make_seed_seq_impl(T const& v, std::size_t seed, Args const&... args) {
return sprout::detail::make_seed_seq_impl<N>(v, sprout::hash_combine(seed, v), args..., seed);
return sprout::detail::make_seed_seq_impl<N>(v, sprout::hash_combine(seed, v), args..., static_cast<std::uint_least32_t>(seed));
}
} // namespace detail
//
// make_seed_seq
//
template<std::size_t N, typename T>
SPROUT_CONSTEXPR sprout::array<std::size_t, N>
SPROUT_CONSTEXPR sprout::array<std::uint_least32_t, N>
make_seed_seq(T const& v) {
return sprout::detail::make_seed_seq_impl<N>(v, sprout::to_hash(v));
}