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Core/Misc: VS 2013 build fix - horrible hack.

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Shauren
2015-12-27 01:21:30 +01:00
parent 921d893c2a
commit 9ab10d6e68
2 changed files with 24 additions and 1 deletions
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3
src/common/Utilities/Containers.h
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@@ -81,7 +81,8 @@ namespace Trinity
template <class C>
typename C::const_iterator SelectRandomWeightedContainerElement(C const& container, std::vector<double> weights)
{
std::discrete_distribution<uint32> dd(weights.begin(), weights.end());
Trinity::discrete_distribution_param<uint32> ddParam(weights.begin(), weights.end());
std::discrete_distribution<uint32> dd(ddParam);
typename C::const_iterator it = container.begin();
std::advance(it, dd(SFMTEngine::Instance()));
return it;

22
src/common/Utilities/Random.h
View File

@@ -69,4 +69,26 @@ public:
static SFMTEngine& Instance();
};
// Ugly, horrible, i don't even..., hack for VS2013 to work around missing discrete_distribution(iterator, iterator) constructor
namespace Trinity
{
#if COMPILER == COMPILER_MICROSOFT && _MSC_VER <= 1800
template<typename T>
struct discrete_distribution_param : public std::discrete_distribution<T>::param_type
{
typedef typename std::discrete_distribution<T>::param_type base;
template<typename InIt>
discrete_distribution_param(InIt begin, InIt end) : base(_Noinit())
{
this->_Pvec.assign(begin, end);
this->_Init();
}
};
#else
template<typename T>
using discrete_distribution_param = typename std::discrete_distribution<T>::param_type;
#endif
}
#endif // Random_h__