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Optimize matrix functions: m_fT is triangular and trmm is faster than gemm

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Chen-Pang He 2012-09-16 14:42:42 +08:00
parent 04f315d692
commit d5d99dd1f0
1 changed files with 1 additions and 1 deletions
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unsupported/Eigen/src/MatrixFunctions/MatrixFunction.h
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@ -209,7 +209,7 @@ void MatrixFunction<MatrixType,AtomicType,1>::compute(ResultType& result)
permuteSchur(); permuteSchur();
computeBlockAtomic(); computeBlockAtomic();
computeOffDiagonal(); computeOffDiagonal();
result = m_U * m_fT * m_U.adjoint(); result = m_U * (m_fT.template triangularView<Upper>() * m_U.adjoint());
} }
/** \brief Store the Schur decomposition of #m_A in #m_T and #m_U */ /** \brief Store the Schur decomposition of #m_A in #m_T and #m_U */