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random 修正

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This commit is contained in:
bolero-MURAKAMI 2011-10-16 23:38:40 +09:00
parent 7ae0072f2e
commit 9255ad6808
4 changed files with 63 additions and 19 deletions
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38
sprout/random/uniform_01.hpp
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@ -17,6 +17,37 @@ namespace sprout {
public:
typedef RealType input_type;
typedef RealType result_type;
public:
//
// param_type
//
class param_type {
public:
typedef uniform_01 distribution_type;
public:
template<typename Elem, typename Traits>
friend std::basic_ostream<Elem, Traits>& operator>>(
std::basic_istream<Elem, Traits>& lhs,
param_type const& rhs
)
{
return lhs;
}
template<typename Elem, typename Traits>
friend std::basic_ostream<Elem, Traits>& operator<<(
std::basic_ostream<Elem, Traits>& lhs,
param_type const& rhs
)
{
return lhs;
}
SPROUT_CONSTEXPR friend bool operator==(param_type const& lhs, param_type const& rhs) {
return true;
}
SPROUT_CONSTEXPR friend bool operator!=(param_type const& lhs, param_type const& rhs) {
return !(lhs == rhs);
}
};
private:
template<typename Engine>
SPROUT_CONSTEXPR sprout::random::random_result<Engine, uniform_01> generate_1(
@ -50,12 +81,19 @@ namespace sprout {
);
}
public:
SPROUT_CONSTEXPR explicit uniform_01(param_type const& parm)
{}
SPROUT_CONSTEXPR result_type min() const {
return result_type(0);
}
SPROUT_CONSTEXPR result_type max() const {
return result_type(1);
}
SPROUT_CONSTEXPR param_type param() const {
return param_type();
}
void param(param_type const& parm) {
}
template<typename Engine>
SPROUT_CONSTEXPR sprout::random::random_result<Engine, uniform_01> operator()(Engine const& eng) const {
return generate(eng, eng());