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Fix doc and tidy up

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This commit is contained in:
Chen-Pang He
2012-09-28 02:08:14 +08:00
parent 3b88216d42
commit ed18d6f2ad
3 changed files with 80 additions and 72 deletions
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25
unsupported/Eigen/src/MatrixFunctions/MatrixPower.h
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@@ -67,7 +67,6 @@ class MatrixPower : public MatrixPowerBase<MatrixPower<MatrixType>,MatrixType>
*
* \param[in] b a matrix with the same rows as A.
* \param[in] p exponent, a real scalar.
* \param[in] noalias
* \param[out] res \f$ A^p b \f$, where A is specified in the
* constructor.
*/
@@ -75,16 +74,8 @@ class MatrixPower : public MatrixPowerBase<MatrixPower<MatrixType>,MatrixType>
void compute(const Derived& b, ResultType& res, RealScalar p);
private:
using Base::m_A;
static const int Rows = MatrixType::RowsAtCompileTime;
static const int Cols = MatrixType::ColsAtCompileTime;
static const int Options = MatrixType::Options;
static const int MaxRows = MatrixType::MaxRowsAtCompileTime;
static const int MaxCols = MatrixType::MaxColsAtCompileTime;
typedef Matrix<std::complex<RealScalar>,Rows,Cols,Options,MaxRows,MaxCols> ComplexMatrix;
typedef Matrix<std::complex<RealScalar>, RowsAtCompileTime, ColsAtCompileTime,
Options,MaxRowsAtCompileTime,MaxColsAtCompileTime> ComplexMatrix;
MatrixType m_tmp1, m_tmp2;
ComplexMatrix m_T, m_U, m_fT;
bool m_init;
@@ -158,7 +149,7 @@ typename MatrixPower<MatrixType>::Base::RealScalar MatrixPower<MatrixType>::modf
m_U = schurOfA.matrixU();
m_init = true;
const Array<RealScalar,Rows,1,ColMajor,MaxRows> absTdiag = m_T.diagonal().array().abs();
const RealArray absTdiag = m_T.diagonal().array().abs();
maxAbsEival = absTdiag.maxCoeff();
minAbsEival = absTdiag.minCoeff();
}
@@ -251,8 +242,8 @@ void MatrixPower<MatrixType>::computeFracPower(ResultType& res, RealScalar p)
{
if (p) {
MatrixPowerTriangularAtomic<ComplexMatrix>(m_T).compute(m_fT, p);
internal::recompose_complex_schur<NumTraits<Scalar>::IsComplex>::run(m_tmp1, m_fT, m_U);
res = m_tmp1 * res;
internal::recompose_complex_schur<NumTraits<Scalar>::IsComplex>::run(m_tmp2, m_fT, m_U);
res = m_tmp2 * res;
}
}
@@ -347,9 +338,9 @@ class MatrixPowerReturnValue : public ReturnByValue<MatrixPowerReturnValue<Deriv
};
namespace internal {
template<typename MatrixType, typename Derived>
struct nested<MatrixPowerMatrixProduct<MatrixType,Derived> >
{ typedef typename MatrixPowerMatrixProduct<MatrixType,Derived>::PlainObject const& type; };
template<typename Lhs, typename Rhs>
struct nested<MatrixPowerMatrixProduct<Lhs,Rhs> >
{ typedef typename MatrixPowerMatrixProduct<Lhs,Rhs>::PlainObject const& type; };
template<typename Derived>
struct traits<MatrixPowerReturnValue<Derived> >