mirror/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout.git synced 2025-07-04 14:14:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fix shufle_order: support clang 3.3 or later (default template depth 256)

Browse source
This commit is contained in:
bolero-MURAKAMI 2014-01-11 16:05:18 +09:00
parent 14f8d9d042
commit e7b8d74c0f
4 changed files with 104 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

62
sprout/random/generate_array.hpp Normal file
View file

@ -0,0 +1,62 @@
/*=============================================================================
Copyright (c) 2011-2014 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_RANDOM_GENERATE_ARRAY_HPP
#define SPROUT_RANDOM_GENERATE_ARRAY_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/array/array.hpp>
#include <sprout/utility/pair/pair.hpp>
namespace sprout {
namespace random {
//
// generate_array
//
template<std::size_t N, typename URNG>
inline SPROUT_CXX14_CONSTEXPR sprout::array<typename URNG::result_type, N>
generate_array(URNG& rng) {
sprout::array<typename URNG::result_type, N> result{{}};
for (std::size_t i = 0; i != N; ++i) {
result[i] = rng();
}
return result;
}
namespace detail {
template<std::size_t N, typename URNG, typename Random, typename... Args>
static SPROUT_CONSTEXPR typename std::enable_if<
(sizeof...(Args) + 1 == N),
sprout::pair<sprout::array<typename URNG::result_type, N>, URNG> const
>::type generate_array_impl(Random const& rnd, Args const&... args) {
typedef sprout::pair<sprout::array<typename URNG::result_type, N>, URNG> const pair_type;
return pair_type{
sprout::array<typename URNG::result_type, N>{{args..., rnd.result()}},
rnd.engine()
};
}
template<std::size_t N, typename URNG, typename Random, typename... Args>
static SPROUT_CONSTEXPR typename std::enable_if<
(sizeof...(Args) + 1 < N),
sprout::pair<sprout::array<typename URNG::result_type, N>, URNG> const
>::type generate_array_impl(Random const& rnd, Args const&... args) {
return sprout::random::detail::generate_array_impl<N, URNG>(rnd(), args..., rnd.result());
}
} // namespace detail
//
// generate_array
//
template<std::size_t N, typename URNG>
inline SPROUT_CONSTEXPR sprout::pair<sprout::array<typename URNG::result_type, N>, URNG> const
generate_array(URNG const& rng) {
return sprout::random::detail::generate_array_impl<N, URNG>(rng());
}
} // namespace random
} // namespace sprout
#endif // #ifndef SPROUT_RANDOM_GENERATE_ARRAY_HPP