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Add support for symbolic expressions as arguments of operator()

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Gael Guennebaud
2017-01-16 22:21:23 +01:00
parent 12e22a2844
commit 4989922be2
6 changed files with 126 additions and 80 deletions
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8
Eigen/src/Core/IndexedView.h
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@@ -45,6 +45,10 @@ struct traits<IndexedView<XprType, RowIndices, ColIndices> >
InnerStrideAtCompileTime = InnerIncr<0 || InnerIncr==DynamicIndex || XprInnerStride==Dynamic ? Dynamic : XprInnerStride * InnerIncr,
OuterStrideAtCompileTime = OuterIncr<0 || OuterIncr==DynamicIndex || XprOuterstride==Dynamic ? Dynamic : XprOuterstride * OuterIncr,
ReturnAsScalar = is_same<RowIndices,SingleRange>::value && is_same<ColIndices,SingleRange>::value,
ReturnAsBlock = (!ReturnAsScalar) && IsBlockAlike,
ReturnAsIndexedView = (!ReturnAsScalar) && (!ReturnAsBlock),
// FIXME we deal with compile-time strides if and only if we have DirectAccessBit flag,
// but this is too strict regarding negative strides...
DirectAccessMask = (InnerIncr!=UndefinedIncr && OuterIncr!=UndefinedIncr && InnerIncr>=0 && OuterIncr>=0) ? DirectAccessBit : 0,
@@ -91,8 +95,8 @@ class IndexedViewImpl;
* - decltype(ArrayXi::LinSpaced(...))
* - Any view/expressions of the previous types
* - Eigen::ArithmeticSequence
* - Eigen::AllRange (helper for Eigen::all)
* - Eigen::IntAsArray (helper for single index)
* - Eigen::internal::AllRange (helper for Eigen::all)
* - Eigen::internal::SingleRange (helper for single index)
* - etc.
*
* In typical usages of %Eigen, this class should never be used directly. It is the return type of