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Fix scalar * product optimization when 'product' includes a selfadjoint matrix

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This commit is contained in:
Gael Guennebaud 2014-02-17 19:00:45 +01:00
parent d595fd31f5
commit 873401032b
2 changed files with 15 additions and 0 deletions
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7
Eigen/src/Core/SelfAdjointView.h
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@ -133,6 +133,13 @@ template<typename _MatrixType, unsigned int UpLo> class SelfAdjointView
return Product<OtherDerived,SelfAdjointView>(lhs.derived(),rhs); return Product<OtherDerived,SelfAdjointView>(lhs.derived(),rhs);
} }
friend EIGEN_DEVICE_FUNC
const SelfAdjointView<const CwiseUnaryOp<internal::scalar_multiple_op<Scalar>,MatrixType>,UpLo>
operator*(const Scalar& s, const SelfAdjointView& mat)
{
return (s*mat.nestedExpression()).template selfadjointView<UpLo>();
}
#else // EIGEN_TEST_EVALUATORS #else // EIGEN_TEST_EVALUATORS
/** Efficient self-adjoint matrix times vector/matrix product */ /** Efficient self-adjoint matrix times vector/matrix product */

8
Eigen/src/Core/TriangularMatrix.h
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@ -63,6 +63,14 @@ template<typename Derived> class TriangularBase : public EigenBase<Derived>
EIGEN_DEVICE_FUNC EIGEN_DEVICE_FUNC
inline Index innerStride() const { return derived().innerStride(); } inline Index innerStride() const { return derived().innerStride(); }
// dummy resize function
void resize(Index nbRows, Index nbCols)
{
EIGEN_UNUSED_VARIABLE(nbRows);
EIGEN_UNUSED_VARIABLE(nbCols);
eigen_assert(nbRows==rows() && nbCols==nbCols);
}
EIGEN_DEVICE_FUNC EIGEN_DEVICE_FUNC
inline Scalar coeff(Index row, Index col) const { return derived().coeff(row,col); } inline Scalar coeff(Index row, Index col) const { return derived().coeff(row,col); }
EIGEN_DEVICE_FUNC EIGEN_DEVICE_FUNC