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Fix broken build when using the get_at() way wrapper.

This commit is contained in:
King_DuckZ 2016-10-24 00:48:15 +02:00
parent 41eed2c8ba
commit 84203ee817
2 changed files with 23 additions and 9 deletions
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14
include/vectorwrapper/vectorwrapper.hpp
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@ -167,6 +167,9 @@ namespace vwr {
template <typename V2> VecBase& operator/= ( const VecBase<V2>& parOther ); template <typename V2> VecBase& operator/= ( const VecBase<V2>& parOther );
private: private:
template <std::size_t... I, typename... Args>
void assign_values (const bt::index_seq<I...>&, Args... parArgs);
vector_type m_wrapped; vector_type m_wrapped;
}; };
@ -189,12 +192,15 @@ namespace vwr {
private: private:
static_assert(HasGetAtMethod<VectorWrapperInfo<T>>::value, "You must provide a get_at() static method for this vector_type"); static_assert(HasGetAtMethod<VectorWrapperInfo<T>>::value, "You must provide a get_at() static method for this vector_type");
typedef typename VectorWrapperInfo<T>::scalar_type scalar_type; typedef typename VectorWrapperInfo<T>::scalar_type scalar_type;
using get_at_func = decltype(&VectorWrapperInfo<T>::get_at)(std::size_t, scalar_type&); typedef T vector_type;
static_assert(not std::is_rvalue_reference<typename std::result_of<get_at_func>::type>::value, "rvalue ref return types not implemented"); using get_at_func = decltype(&VectorWrapperInfo<T>::get_at)(std::size_t, vector_type&);
static_assert(std::is_lvalue_reference<typename std::result_of<get_at_func>::type>::value, "Read-only vectors not implemented"); using get_at_rettype = typename std::result_of<get_at_func>::type;
static_assert(not std::is_rvalue_reference<get_at_rettype>::value, "rvalue ref return types not implemented");
static_assert(std::is_lvalue_reference<get_at_rettype>::value, "Read-only vectors not implemented");
public: public:
static typename VectorWrapperInfo<T>::scalar_type& get_at ( T& parVec, std::size_t parIndex ); static get_at_rettype get_at ( T& parVec, std::size_t parIndex );
}; };
template <typename V, bool Enabled> struct Vec1Promotion; template <typename V, bool Enabled> struct Vec1Promotion;

18
include/vectorwrapper/vectorwrapper.inl
View File

@ -41,10 +41,18 @@ namespace vwr {
VecGetter<V>::get_at(m_wrapped, 0) = parX; VecGetter<V>::get_at(m_wrapped, 0) = parX;
VecGetter<V>::get_at(m_wrapped, 1) = parY; VecGetter<V>::get_at(m_wrapped, 1) = parY;
const scalar_type args[sizeof...(Args)] = {parArgs...}; assign_values(bt::index_range<2, dimensions>(), std::forward<Args>(parArgs)...);
for (std::size_t z = 0; z < sizeof...(Args); ++z) { }
VecGetter<V>::get_at(m_wrapped, z + 2) = args[z];
} template <typename V>
template <std::size_t... I, typename... Args>
void VecBase<V>::assign_values (const bt::index_seq<I...>&, Args... parArgs) {
static_assert(sizeof...(I) == sizeof...(Args), "Argument count and indices count mismatch");
std::initializer_list<scalar_type> t {
(VecGetter<V>::get_at(m_wrapped, I) = parArgs)...
};
static_cast<void>(t);
} }
template <typename V> template <typename V>
@ -143,7 +151,7 @@ namespace vwr {
} }
template <typename T> template <typename T>
typename VectorWrapperInfo<T>::scalar_type& VecGetter<T, false>::get_at (T& parVec, std::size_t parIndex) { auto VecGetter<T, false>::get_at (T& parVec, std::size_t parIndex) -> get_at_rettype {
assert(parIndex < VectorWrapperInfo<T>::dimensions); assert(parIndex < VectorWrapperInfo<T>::dimensions);
return VectorWrapperInfo<T>::get_at(parIndex, parVec); return VectorWrapperInfo<T>::get_at(parIndex, parVec);
} }