King_DuckZ/Sprout
1
0
Fork 0
mirror of https://github.com/bolero-MURAKAMI/Sprout synced 2025-08-03 12:49:50 +00:00
Code Issues Releases Wiki Activity

add normal_distribution::stddev

Browse source
This commit is contained in:
bolero-MURAKAMI 2012-11-16 13:40:19 +09:00
parent 225c11b505
commit f37e8a9088
19 changed files with 261 additions and 211 deletions
Download patch file Download diff file Expand all files Collapse all files

24
sprout/random/shuffle_order.hpp
View file

@ -36,6 +36,11 @@ namespace sprout {
class shuffle_order_engine
: private sprout::random::detail::shuffle_order_engine_member<UniformRandomNumberGenerator, k>
{
static_assert(
std::numeric_limits<typename UniformRandomNumberGenerator::result_type>::is_integer,
"std::numeric_limits<typename UniformRandomNumberGenerator::result_type>::is_integer"
);
static_assert(k > 0, "k > 0");
private:
typedef sprout::random::detail::shuffle_order_engine_member<UniformRandomNumberGenerator, k> member_type;
public:
@ -47,8 +52,12 @@ namespace sprout {
SPROUT_STATIC_CONSTEXPR std::size_t buffer_size = k;
SPROUT_STATIC_CONSTEXPR std::size_t table_size = k;
public:
static_assert(std::numeric_limits<result_type>::is_integer, "std::numeric_limits<result_type>::is_integer");
static_assert(k > 0, "k > 0");
static SPROUT_CONSTEXPR result_type static_min() SPROUT_NOEXCEPT {
return base_type::static_min();
}
static SPROUT_CONSTEXPR result_type static_max() SPROUT_NOEXCEPT {
return base_type::static_max();
}
private:
template<typename Random, typename... Args>
static SPROUT_CONSTEXPR typename std::enable_if<
@ -120,10 +129,10 @@ namespace sprout {
explicit SPROUT_CONSTEXPR shuffle_order_engine(base_type const& rng)
: member_type(init_member(rng))
{}
SPROUT_CONSTEXPR result_type min() const {
SPROUT_CONSTEXPR result_type min() const SPROUT_NOEXCEPT {
return rng_.min();
}
SPROUT_CONSTEXPR result_type max() const {
SPROUT_CONSTEXPR result_type max() const SPROUT_NOEXCEPT {
return rng_.max();
}
SPROUT_CONSTEXPR sprout::random::random_result<shuffle_order_engine> operator()() const {
@ -133,10 +142,13 @@ namespace sprout {
base_unsigned(sprout::random::detail::subtract<result_type>()(y_, min()))
);
}
friend SPROUT_CONSTEXPR bool operator==(shuffle_order_engine const& lhs, shuffle_order_engine const& rhs) {
SPROUT_CONSTEXPR base_type const& base() const SPROUT_NOEXCEPT {
return rng_;
}
friend SPROUT_CONSTEXPR bool operator==(shuffle_order_engine const& lhs, shuffle_order_engine const& rhs) SPROUT_NOEXCEPT {
return lhs.rng_ == rhs.rng_ && lhs.y_ == rhs.y_ && lhs.v_ == rhs.v_;
}
friend SPROUT_CONSTEXPR bool operator!=(shuffle_order_engine const& lhs, shuffle_order_engine const& rhs) {
friend SPROUT_CONSTEXPR bool operator!=(shuffle_order_engine const& lhs, shuffle_order_engine const& rhs) SPROUT_NOEXCEPT {
return !(lhs == rhs);
}
template<typename Elem, typename Traits>