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fix sparse squared norm

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Gael Guennebaud
2010-04-13 10:40:55 +02:00
parent 614fbe497d
commit a2324d6265
2 changed files with 7 additions and 5 deletions
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8
Eigen/src/Sparse/SparseDot.h
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@@ -38,7 +38,7 @@ SparseMatrixBase<Derived>::dot(const MatrixBase<OtherDerived>& other) const
ei_assert(size() == other.size());
ei_assert(other.size()>0 && "you are using a non initialized vector");
typename Derived::InnerIterator i(derived(),0);
Scalar res = 0;
while (i)
@@ -59,9 +59,9 @@ SparseMatrixBase<Derived>::dot(const SparseMatrixBase<OtherDerived>& other) cons
EIGEN_STATIC_ASSERT_SAME_VECTOR_SIZE(Derived,OtherDerived)
EIGEN_STATIC_ASSERT((ei_is_same_type<Scalar, typename OtherDerived::Scalar>::ret),
YOU_MIXED_DIFFERENT_NUMERIC_TYPES__YOU_NEED_TO_USE_THE_CAST_METHOD_OF_MATRIXBASE_TO_CAST_NUMERIC_TYPES_EXPLICITLY)
ei_assert(size() == other.size());
typename Derived::InnerIterator i(derived(),0);
typename OtherDerived::InnerIterator j(other.derived(),0);
Scalar res = 0;
@@ -84,7 +84,7 @@ template<typename Derived>
inline typename NumTraits<typename ei_traits<Derived>::Scalar>::Real
SparseMatrixBase<Derived>::squaredNorm() const
{
return ei_real((*this).cwise().abs2().sum());
return ei_real((*this).cwiseAbs2().sum());
}
template<typename Derived>