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bug #1359: fix sparse /=scalar and *=scalar implementation.

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InnerIterators must be obtained from an evaluator.
(grafted from 98d74582751f65af99f94e9234b0817fa79f7fb9
)
This commit is contained in:
Gael Guennebaud 2016-12-14 17:03:13 +01:00
parent 59187285e1
commit a05f6aad0e
1 changed files with 6 additions and 2 deletions
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8
Eigen/src/SparseCore/SparseCwiseUnaryOp.h
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@ -123,8 +123,10 @@ template<typename Derived>
EIGEN_STRONG_INLINE Derived&
SparseMatrixBase<Derived>::operator*=(const Scalar& other)
{
typedef typename internal::evaluator<Derived>::InnerIterator EvalIterator;
internal::evaluator<Derived> thisEval(derived());
for (Index j=0; j<outerSize(); ++j)
for (typename Derived::InnerIterator i(derived(),j); i; ++i)
for (EvalIterator i(thisEval,j); i; ++i)
i.valueRef() *= other;
return derived();
}
@ -133,8 +135,10 @@ template<typename Derived>
EIGEN_STRONG_INLINE Derived&
SparseMatrixBase<Derived>::operator/=(const Scalar& other)
{
typedef typename internal::evaluator<Derived>::InnerIterator EvalIterator;
internal::evaluator<Derived> thisEval(derived());
for (Index j=0; j<outerSize(); ++j)
for (typename Derived::InnerIterator i(derived(),j); i; ++i)
for (EvalIterator i(thisEval,j); i; ++i)
i.valueRef() /= other;
return derived();
}