workaround for Clang: uniform_int_ditribution, uniform_real_distribution

This commit is contained in:
bolero-MURAKAMI 2013-07-25 23:32:42 +09:00
parent 0aeaf19c47
commit 3e97ddd286
2 changed files with 622 additions and 67 deletions

View file

@ -21,6 +21,399 @@ namespace sprout {
Engine engine;
};
#ifdef SPROUT_WORKAROUND_NOT_TERMINATE_RECURSIVE_CONSTEXPR_FUNCTION_TEMPLATE
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(Engine const& eng, T min_value, T max_value, std::true_type);
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(Engine const& eng, T min_value, T max_value, std::true_type);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1(
sprout::random::random_result<Engine> const& rnd, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, BaseUnsigned bucket_size
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1(
sprout::random::random_result<Engine> const& rnd, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, BaseUnsigned bucket_size
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1_1(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, BaseUnsigned bucket_size, BaseUnsigned result
)
{
typedef T result_type;
return result <= static_cast<BaseUnsigned>(range)
? sprout::random::detail::generate_uniform_int_result<T, Engine>{
sprout::random::detail::add<BaseUnsigned, result_type>()(result, min_value),
eng
}
: sprout::random::detail::generate_uniform_int_true_3_1<D + 1>(
eng(), min_value, range,
bmin, brange, bucket_size
)
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1_1(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned, BaseUnsigned, BaseUnsigned
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1(
sprout::random::random_result<Engine> const& rnd, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, BaseUnsigned bucket_size
)
{
return sprout::random::detail::generate_uniform_int_true_3_1_1<D + 1>(
rnd.engine(), min_value, range,
bmin, brange, bucket_size,
sprout::random::detail::subtract<BaseResult>()(rnd.result(), bmin) / bucket_size
);
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3_1(
sprout::random::random_result<Engine> const&, T, RangeType,
BaseResult, BaseUnsigned, BaseUnsigned
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange
)
{
return sprout::random::detail::generate_uniform_int_true_3_1<D + 1>(
eng(), min_value, range,
bmin, brange,
brange == std::numeric_limits<BaseUnsigned>::max()
? brange / (static_cast<BaseUnsigned>(range) + 1) + (
brange % (static_cast<BaseUnsigned>(range) + 1) == static_cast<BaseUnsigned>(range) ? 1 : 0
)
: (brange + 1) / (static_cast<BaseUnsigned>(range) + 1)
);
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_3(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_4(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType result, RangeType result_increment
)
{
typedef T result_type;
return result < result_increment || result > range
? sprout::random::detail::generate_uniform_int_true_2<D + 1>(eng, min_value, range, bmin, brange)
: sprout::random::detail::generate_uniform_int_result<T, Engine>{
random::detail::add<RangeType, result_type>()(result, min_value),
eng
}
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_4(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned, RangeType, RangeType
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_3(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType result, RangeType mult, RangeType result_increment
)
{
return std::numeric_limits<RangeType>::max() / mult < result_increment
? sprout::random::detail::generate_uniform_int_true_2<D + 1>(eng, min_value, range, bmin, brange)
: sprout::random::detail::generate_uniform_int_true_2_4<D + 1>(
eng, min_value, range,
bmin, brange, result + (result_increment * mult), result_increment * mult
)
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_3(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned, RangeType, RangeType, RangeType
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, typename Result, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_2(
Engine const&, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType result, RangeType mult, Result const& result_increment_base
)
{
return sprout::random::detail::generate_uniform_int_true_2_3<D + 1>(
result_increment_base.engine, min_value, range,
bmin, brange, result, mult, result_increment_base.result
);
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, typename Result, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_2(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned, RangeType, RangeType, Result const&
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType limit,
RangeType result = RangeType(0), RangeType mult = RangeType(1)
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType limit,
RangeType result = RangeType(0), RangeType mult = RangeType(1)
);
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1_1(
sprout::random::random_result<Engine> const& rnd, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType limit, RangeType result, RangeType mult
)
{
return mult * RangeType(brange) == range - mult + 1
? sprout::random::detail::generate_uniform_int_result<T, Engine>{
static_cast<T>(
result + static_cast<RangeType>(sprout::random::detail::subtract<BaseResult>()(rnd.result(), bmin) * mult)
),
rnd.engine()
}
: sprout::random::detail::generate_uniform_int_true_2_1<D + 1>(
rnd.engine(), min_value, range,
bmin, brange, limit,
result + static_cast<RangeType>(sprout::random::detail::subtract<BaseResult>()(rnd.result(), bmin) * mult),
mult * (RangeType(brange) + RangeType(1))
)
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1_1(
sprout::random::random_result<Engine> const&, T, RangeType,
BaseResult, BaseUnsigned, RangeType, RangeType, RangeType
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange, RangeType limit,
RangeType result, RangeType mult
)
{
return mult <= limit
? sprout::random::detail::generate_uniform_int_true_2_1_1<D + 1>(
eng(), min_value, range,
bmin, brange, limit,
result, mult
)
: sprout::random::detail::generate_uniform_int_true_2_2<D + 1>(
eng, min_value, range,
bmin, brange,
result, mult,
sprout::random::detail::generate_uniform_int<D + 1>(
eng,
static_cast<RangeType>(0),
static_cast<RangeType>(range / mult),
std::true_type()
)
)
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2_1(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned, RangeType,
RangeType, RangeType
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2(
Engine const& eng, T min_value, RangeType range,
BaseResult bmin, BaseUnsigned brange
)
{
return sprout::random::detail::generate_uniform_int_true_2_1<D + 1>(
eng, min_value, range,
bmin, brange,
range == std::numeric_limits<RangeType>::max()
? range / (RangeType(brange) + 1) + (
range % (RangeType(brange) + 1) == RangeType(brange) ? 1 : 0
)
: (range + 1) / (RangeType(brange) + 1)
);
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_2(
Engine const&, T, RangeType,
BaseResult, BaseUnsigned
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename BaseResult, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_1_1(
sprout::random::random_result<Engine> const& rnd, T min_value, BaseResult bmin
)
{
typedef T result_type;
typedef typename std::make_unsigned<BaseResult>::type base_unsigned;
return sprout::random::detail::generate_uniform_int_result<T, Engine>{
sprout::random::detail::add<base_unsigned, result_type>()(
base_unsigned(sprout::random::detail::subtract<BaseResult>()(rnd.result(), bmin)),
min_value
),
rnd.engine()
};
}
template<int D, typename Engine, typename T, typename BaseResult, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_1_1(
sprout::random::random_result<Engine> const&, T, BaseResult
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_1(
Engine const& eng, T min_value, T, RangeType range,
BaseResult bmin, BaseUnsigned brange
)
{
return range == 0 ? sprout::random::detail::generate_uniform_int_result<T, Engine>{min_value, eng}
: brange == range ? sprout::random::detail::generate_uniform_int_true_1_1<D + 1>(eng(), min_value, bmin)
: brange < range ? sprout::random::detail::generate_uniform_int_true_2<D + 1>(eng, min_value, range, bmin, brange)
: sprout::random::detail::generate_uniform_int_true_3<D + 1>(eng, min_value, range, bmin, brange)
;
}
template<int D, typename Engine, typename T, typename RangeType, typename BaseResult, typename BaseUnsigned, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_true_1(
Engine const&, T, T, RangeType,
BaseResult, BaseUnsigned
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(
Engine const& eng, T min_value, T max_value, std::true_type
)
{
typedef T result_type;
typedef typename std::make_unsigned<T>::type range_type;
typedef typename Engine::result_type base_result;
typedef typename std::make_unsigned<base_result>::type base_unsigned;
return sprout::random::detail::generate_uniform_int_true_1<D + 1>(
eng, min_value, max_value,
range_type(sprout::random::detail::subtract<result_type>()(max_value, min_value)),
base_result(eng.min()),
base_unsigned(sprout::random::detail::subtract<base_result>()(eng.max(), eng.min()))
);
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(
Engine const&, T, T, std::true_type
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, typename Result, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_false_1(Result const& rnd) {
return sprout::random::detail::generate_uniform_int_result<T, Engine>{
rnd.result, rnd.engine.base()
};
}
template<int D, typename Engine, typename T, typename Result, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int_false_1(Result const& rnd) {
return sprout::random::detail::generate_uniform_int_result<T, Engine>{
rnd.result, rnd.engine.base()
};
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(
Engine const& eng, T min_value, T max_value, std::false_type
)
{
return sprout::random::detail::generate_uniform_int_false_1<D + 1, Engine, T>(
sprout::random::detail::generate_uniform_int<D + 1>(
sprout::random::detail::uniform_int_float<Engine>(eng),
min_value, max_value,
std::true_type()
)
);
}
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(
Engine const&, T, T, std::false_type
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
#else
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(Engine const& eng, T min_value, T max_value, std::true_type);
@ -43,7 +436,7 @@ namespace sprout {
sprout::random::detail::add<BaseUnsigned, result_type>()(result, min_value),
eng
}
: generate_uniform_int_true_3_1(
: sprout::random::detail::generate_uniform_int_true_3_1(
eng(), min_value, range,
bmin, brange, bucket_size
)
@ -110,7 +503,7 @@ namespace sprout {
{
return std::numeric_limits<RangeType>::max() / mult < result_increment
? sprout::random::detail::generate_uniform_int_true_2(eng, min_value, range, bmin, brange)
: generate_uniform_int_true_2_4(
: sprout::random::detail::generate_uniform_int_true_2_4(
eng, min_value, range,
bmin, brange, result + (result_increment * mult), result_increment * mult
)
@ -166,7 +559,7 @@ namespace sprout {
)
{
return mult <= limit
? generate_uniform_int_true_2_1_1(
? sprout::random::detail::generate_uniform_int_true_2_1_1(
eng(), min_value, range,
bmin, brange, limit,
result, mult
@ -260,7 +653,7 @@ namespace sprout {
Engine const& eng, T min_value, T max_value, std::false_type
)
{
return generate_uniform_int_false_1<Engine, T>(
return sprout::random::detail::generate_uniform_int_false_1<Engine, T>(
sprout::random::detail::generate_uniform_int(
sprout::random::detail::uniform_int_float<Engine>(eng),
min_value, max_value,
@ -268,6 +661,7 @@ namespace sprout {
)
);
}
#endif
template<typename Engine, typename T>
inline SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_int_result<T, Engine>
generate_uniform_int(

View file

@ -19,17 +19,187 @@ namespace sprout {
Engine engine;
};
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_false_1(
#ifdef SPROUT_WORKAROUND_NOT_TERMINATE_RECURSIVE_CONSTEXPR_FUNCTION_TEMPLATE
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const& rnd,
T min_value,
T max_value
T min_value, T max_value
);
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
);
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_3(
Engine const& eng,
T min_value, T max_value,
T result
)
{
return result < max_value
? sprout::random::detail::generate_uniform_real_result<T, Engine>{result, eng}
: sprout::random::detail::generate_uniform_real_false_1<D + 1>(eng(), min_value, max_value)
;
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_3(
Engine const&,
T, T,
T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_2(
Engine const& eng,
T min_value, T max_value,
T numerator, T divisor
)
{
return SPROUT_ASSERT(divisor > 0), SPROUT_ASSERT(numerator >= 0 && numerator <= divisor),
sprout::random::detail::generate_uniform_real_false_3<D + 1>(
eng,
min_value, max_value,
numerator / divisor * (max_value - min_value) + min_value
)
;
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_2(
Engine const&,
T, T,
T, T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
)
{
return sprout::random::detail::generate_uniform_real_false_2<D + 1>(
rnd.engine(),
min_value, max_value,
static_cast<T>(rnd.result() - rnd.engine().min()), static_cast<T>(rnd.engine().max() - rnd.engine().min())
);
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const&,
T, T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
);
template<int D = 16, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
);
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_3(
Engine const& eng,
T min_value, T max_value,
T result
)
{
return result < max_value
? sprout::random::detail::generate_uniform_real_result<T, Engine>{result, eng}
: sprout::random::detail::generate_uniform_real_true_1<D + 1>(eng(), min_value, max_value)
;
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_3(
Engine const&,
T, T,
T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_2(
Engine const& eng,
T min_value, T max_value,
T numerator, T divisor
)
{
return SPROUT_ASSERT(divisor > 0), SPROUT_ASSERT(numerator >= 0 && numerator <= divisor),
sprout::random::detail::generate_uniform_real_true_3<D + 1>(
eng,
min_value, max_value,
numerator / divisor * (max_value - min_value) + min_value
)
;
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_2(
Engine const&,
T, T,
T, T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_CONTINUE_DECL(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
)
{
typedef typename Engine::result_type base_result;
return sprout::random::detail::generate_uniform_real_true_2<D + 1>(
rnd.engine(),
min_value, max_value,
static_cast<T>(sprout::random::detail::subtract<base_result>()(rnd.result(), rnd.engine().min())),
static_cast<T>(sprout::random::detail::subtract<base_result>()(rnd.engine().max(), rnd.engine().min())) + 1
);
}
template<int D, typename Engine, typename T, SPROUT_RECURSIVE_FUNCTION_TEMPLATE_BREAK_DECL(D)>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const&,
T, T
)
{
return sprout::throw_recursive_function_template_instantiation_exeeded();
}
#else
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const& rnd,
T min_value, T max_value
);
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_false_3(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_3(
Engine const& eng,
T min_value,
T max_value,
T min_value, T max_value,
T result
)
{
@ -39,63 +209,45 @@ namespace sprout {
;
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_false_2(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_2(
Engine const& eng,
T min_value,
T max_value,
T numerator,
T divisor
T min_value, T max_value,
T numerator, T divisor
)
{
return SPROUT_ASSERT(divisor > 0), SPROUT_ASSERT(numerator >= 0 && numerator <= divisor),
sprout::random::detail::generate_uniform_real_false_3(
eng,
min_value,
max_value,
min_value, max_value,
numerator / divisor * (max_value - min_value) + min_value
)
;
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_false_1(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_false_1(
sprout::random::random_result<Engine> const& rnd,
T min_value,
T max_value
T min_value, T max_value
)
{
return sprout::random::detail::generate_uniform_real_false_2(
rnd.engine(),
min_value,
max_value,
static_cast<T>(rnd.result() - rnd.engine().min()),
static_cast<T>(rnd.engine().max() - rnd.engine().min())
min_value, max_value,
static_cast<T>(rnd.result() - rnd.engine().min()), static_cast<T>(rnd.engine().max() - rnd.engine().min())
);
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real(
Engine const& eng,
T min_value,
T max_value,
std::false_type
)
{
return sprout::random::detail::generate_uniform_real_false_1(
eng(),
min_value,
max_value
);
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_true_1(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const& rnd,
T min_value,
T max_value
T min_value, T max_value
);
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_true_3(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_3(
Engine const& eng,
T min_value,
T max_value,
T min_value, T max_value,
T result
)
{
@ -105,64 +257,73 @@ namespace sprout {
;
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_true_2(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_2(
Engine const& eng,
T min_value,
T max_value,
T numerator,
T divisor
T min_value, T max_value,
T numerator, T divisor
)
{
return SPROUT_ASSERT(divisor > 0), SPROUT_ASSERT(numerator >= 0 && numerator <= divisor),
sprout::random::detail::generate_uniform_real_true_3(
eng,
min_value,
max_value,
min_value, max_value,
numerator / divisor * (max_value - min_value) + min_value
)
;
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real_true_1(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real_true_1(
sprout::random::random_result<Engine> const& rnd,
T min_value,
T max_value
T min_value, T max_value
)
{
typedef typename Engine::result_type base_result;
return sprout::random::detail::generate_uniform_real_true_2(
rnd.engine(),
min_value,
max_value,
min_value, max_value,
static_cast<T>(sprout::random::detail::subtract<base_result>()(rnd.result(), rnd.engine().min())),
static_cast<T>(sprout::random::detail::subtract<base_result>()(rnd.engine().max(), rnd.engine().min())) + 1
);
}
#endif
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real(
Engine const& eng,
T min_value,
T max_value,
T min_value, T max_value,
std::false_type
)
{
return sprout::random::detail::generate_uniform_real_false_1(
eng(),
min_value, max_value
);
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real(
Engine const& eng,
T min_value, T max_value,
std::true_type
)
{
return sprout::random::detail::generate_uniform_real_true_1(
eng(),
min_value,
max_value
min_value, max_value
);
}
template<typename Engine, typename T>
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine> generate_uniform_real(
SPROUT_CONSTEXPR sprout::random::detail::generate_uniform_real_result<T, Engine>
generate_uniform_real(
Engine const& eng,
T min_value,
T max_value
T min_value, T max_value
)
{
return sprout::random::detail::generate_uniform_real(
eng,
min_value,
max_value,
min_value, max_value,
std::is_integral<typename Engine::result_type>()
);
}