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Add support for std::integral_constant

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This commit is contained in:
Gael Guennebaud
2017-01-24 16:28:12 +01:00
parent bc10201854
commit d83db761a2
3 changed files with 32 additions and 9 deletions
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24
Eigen/src/Core/ArithmeticSequence.h
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@@ -202,22 +202,28 @@ auto seq(FirstType f, LastType l);
#if EIGEN_HAS_CXX11
template<typename FirstType,typename LastType>
auto seq(FirstType f, LastType l) -> decltype(seqN(f,( typename internal::cleanup_index_type<LastType>::type(l)
- typename internal::cleanup_index_type<FirstType>::type(f)+fix<1>())))
auto seq(FirstType f, LastType l) -> decltype(seqN(typename internal::cleanup_index_type<FirstType>::type(f),
( typename internal::cleanup_index_type<LastType>::type(l)
- typename internal::cleanup_index_type<FirstType>::type(f)+fix<1>())))
{
return seqN(f,(typename internal::cleanup_index_type<LastType>::type(l)
-typename internal::cleanup_index_type<FirstType>::type(f)+fix<1>()));
return seqN(typename internal::cleanup_index_type<FirstType>::type(f),
(typename internal::cleanup_index_type<LastType>::type(l)
-typename internal::cleanup_index_type<FirstType>::type(f)+fix<1>()));
}
template<typename FirstType,typename LastType, typename IncrType>
auto seq(FirstType f, LastType l, IncrType incr)
-> decltype(seqN(f, ( typename internal::cleanup_index_type<LastType>::type(l)
- typename internal::cleanup_index_type<FirstType>::type(f)+typename internal::cleanup_seq_incr<IncrType>::type(incr))
/ typename internal::cleanup_seq_incr<IncrType>::type(incr),typename internal::cleanup_seq_incr<IncrType>::type(incr)))
-> decltype(seqN(typename internal::cleanup_index_type<FirstType>::type(f),
( typename internal::cleanup_index_type<LastType>::type(l)
- typename internal::cleanup_index_type<FirstType>::type(f)+typename internal::cleanup_seq_incr<IncrType>::type(incr)
) / typename internal::cleanup_seq_incr<IncrType>::type(incr),
typename internal::cleanup_seq_incr<IncrType>::type(incr)))
{
typedef typename internal::cleanup_seq_incr<IncrType>::type CleanedIncrType;
return seqN(f,(typename internal::cleanup_index_type<LastType>::type(l)
-typename internal::cleanup_index_type<FirstType>::type(f)+CleanedIncrType(incr)) / CleanedIncrType(incr),CleanedIncrType(incr));
return seqN(typename internal::cleanup_index_type<FirstType>::type(f),
( typename internal::cleanup_index_type<LastType>::type(l)
-typename internal::cleanup_index_type<FirstType>::type(f)+CleanedIncrType(incr)) / CleanedIncrType(incr),
CleanedIncrType(incr));
}
#else