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distribution 修正

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bolero-MURAKAMI 2011-10-17 13:44:19 +09:00
parent 9255ad6808
commit 6e6c515704
7 changed files with 73 additions and 47 deletions
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20
sprout/random/binomial_distribution.hpp
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@ -69,6 +69,10 @@ namespace sprout {
class param_type {
public:
typedef binomial_distribution distribution_type;
private:
static SPROUT_CONSTEXPR bool arg_check_nothrow(IntType t_arg, RealType p_arg) {
return distribution_type::arg_check_nothrow(t_arg, p_arg);
}
private:
IntType t_;
RealType p_;
@ -88,9 +92,9 @@ namespace sprout {
return p_;
}
template<typename Elem, typename Traits>
friend std::basic_ostream<Elem, Traits>& operator>>(
friend std::basic_istream<Elem, Traits>& operator>>(
std::basic_istream<Elem, Traits>& lhs,
param_type const& rhs
param_type& rhs
)
{
IntType t;
@ -391,8 +395,8 @@ namespace sprout {
return param_type(t_, p_);
}
void param(param_type const& parm) {
t_ = parm.a();
p_ = parm.b();
t_ = parm.t();
p_ = parm.p();
init();
}
template<typename Engine>
@ -405,14 +409,14 @@ namespace sprout {
;
}
template<typename Elem, typename Traits>
friend std::basic_ostream<Elem, Traits>& operator>>(
friend std::basic_istream<Elem, Traits>& operator>>(
std::basic_istream<Elem, Traits>& lhs,
binomial_distribution const& rhs
binomial_distribution& rhs
)
{
param_type parm;
lhs >> parm;
param(parm);
rhs.param(parm);
return lhs;
}
template<typename Elem, typename Traits>
@ -421,7 +425,7 @@ namespace sprout {
binomial_distribution const& rhs
)
{
return lhs << param();
return lhs << rhs.param();
}
SPROUT_CONSTEXPR friend bool operator==(binomial_distribution const& lhs, binomial_distribution const& rhs) {
return lhs.param() == rhs.param();