diff options
| author |  Gael Guennebaud <g.gael@free.fr> | 2019-02-11 18:24:07 +0100 |
|---|---|---|
| committer | Gael Guennebaud <g.gael@free.fr> | 2019-02-11 18:24:07 +0100 |
| commit | 2edfc6807d84c3eff5abfeca809eca676c29ed7a (patch) | |
| tree | 050020791af2f7243767760880c58f805420c664 /Eigen/src/Core/GeneralProduct.h | |
| parent | eb46f34a8caff181eb0a25e47eda214ede884b1c (diff) | |
Fix compilation of empty products of the form: Mx0 * 0xN
Diffstat (limited to 'Eigen/src/Core/GeneralProduct.h')
| -rw-r--r-- | Eigen/src/Core/GeneralProduct.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Eigen/src/Core/GeneralProduct.h b/Eigen/src/Core/GeneralProduct.h index 43f3b84c8..5bfcd6db8 100644 --- a/Eigen/src/Core/GeneralProduct.h +++ b/Eigen/src/Core/GeneralProduct.h @@ -239,7 +239,7 @@ template<> struct gemv_dense_selector<OnTheRight,ColMajor,true> // on, the other hand it is good for the cache to pack the vector anyways... EvalToDestAtCompileTime = (ActualDest::InnerStrideAtCompileTime==1), ComplexByReal = (NumTraits<LhsScalar>::IsComplex) && (!NumTraits<RhsScalar>::IsComplex), - MightCannotUseDest = (!EvalToDestAtCompileTime) || ComplexByReal + MightCannotUseDest = ((!EvalToDestAtCompileTime) || ComplexByReal) && (ActualDest::MaxSizeAtCompileTime!=0) }; typedef const_blas_data_mapper<LhsScalar,Index,ColMajor> LhsMapper; @@ -326,7 +326,7 @@ template<> struct gemv_dense_selector<OnTheRight,RowMajor,true> enum { // FIXME find a way to allow an inner stride on the result if packet_traits<Scalar>::size==1 // on, the other hand it is good for the cache to pack the vector anyways... - DirectlyUseRhs = ActualRhsTypeCleaned::InnerStrideAtCompileTime==1 + DirectlyUseRhs = ActualRhsTypeCleaned::InnerStrideAtCompileTime==1 || ActualRhsTypeCleaned::MaxSizeAtCompileTime==0 }; gemv_static_vector_if<RhsScalar,ActualRhsTypeCleaned::SizeAtCompileTime,ActualRhsTypeCleaned::MaxSizeAtCompileTime,!DirectlyUseRhs> static_rhs; |