diff options
Diffstat (limited to 'Eigen/src/Core/util/IndexedViewHelper.h')
| -rw-r--r-- | Eigen/src/Core/util/IndexedViewHelper.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Eigen/src/Core/util/IndexedViewHelper.h b/Eigen/src/Core/util/IndexedViewHelper.h index b4f7c0dd7..a8259bb2c 100644 --- a/Eigen/src/Core/util/IndexedViewHelper.h +++ b/Eigen/src/Core/util/IndexedViewHelper.h @@ -58,7 +58,9 @@ static const Symbolic::SymbolExpr<internal::symbolic_last_tag> last; #ifdef EIGEN_PARSED_BY_DOXYGEN static const auto end = last+1; #else -static const Symbolic::AddExpr<Symbolic::SymbolExpr<internal::symbolic_last_tag>,Symbolic::ValueExpr> end(last+1); +// Using a FixedExpr<1> expression is important here to make sure the compiler +// can fully optimize the computation starting indices with zero overhead. +static const Symbolic::AddExpr<Symbolic::SymbolExpr<internal::symbolic_last_tag>,Symbolic::FixedExpr<1> > end(last+Symbolic::FixedExpr<1>()); #endif } // end namespace placeholders |