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| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-10-05 18:48:55 -0700 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2016-10-05 18:48:55 -0700 |
| commit | 78b569f68540c5609388864bd805dcf21dd6a187 (patch) | |
| tree | 0a5757bb11834d0109f99310f4493dfd63579901 /unsupported/Eigen/src/MatrixFunctions/MatrixPower.h | |
| parent | 9c2b6c049be19fd4c571b0df537169d277b26291 (diff) | |
| parent | 4387433acf9cd2eab3713349163cd1e8905b5854 (diff) | |
Merged latest updates from trunk
Diffstat (limited to 'unsupported/Eigen/src/MatrixFunctions/MatrixPower.h')
| -rw-r--r-- | unsupported/Eigen/src/MatrixFunctions/MatrixPower.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h b/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h index f37d31c3f..ebc433d89 100644 --- a/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h +++ b/unsupported/Eigen/src/MatrixFunctions/MatrixPower.h @@ -196,11 +196,11 @@ void MatrixPowerAtomic<MatrixType>::computeBig(ResultType& res) const { using std::ldexp; const int digits = std::numeric_limits<RealScalar>::digits; - const RealScalar maxNormForPade = digits <= 24? 4.3386528e-1f: // sigle precision - digits <= 53? 2.789358995219730e-1: // double precision - digits <= 64? 2.4471944416607995472e-1L: // extended precision - digits <= 106? 1.1016843812851143391275867258512e-1L: // double-double - 9.134603732914548552537150753385375e-2L; // quadruple precision + const RealScalar maxNormForPade = digits <= 24? 4.3386528e-1L // single precision + : digits <= 53? 2.789358995219730e-1L // double precision + : digits <= 64? 2.4471944416607995472e-1L // extended precision + : digits <= 106? 1.1016843812851143391275867258512e-1L // double-double + : 9.134603732914548552537150753385375e-2L; // quadruple precision MatrixType IminusT, sqrtT, T = m_A.template triangularView<Upper>(); RealScalar normIminusT; int degree, degree2, numberOfSquareRoots = 0; @@ -264,7 +264,7 @@ inline int MatrixPowerAtomic<MatrixType>::getPadeDegree(long double normIminusT) 1.999045567181744e-1L, 2.789358995219730e-1L }; #elif LDBL_MANT_DIG <= 64 const int maxPadeDegree = 8; - const double maxNormForPade[] = { 6.3854693117491799460e-3L /* degree = 3 */ , 2.6394893435456973676e-2L, + const long double maxNormForPade[] = { 6.3854693117491799460e-3L /* degree = 3 */ , 2.6394893435456973676e-2L, 6.4216043030404063729e-2L, 1.1701165502926694307e-1L, 1.7904284231268670284e-1L, 2.4471944416607995472e-1L }; #elif LDBL_MANT_DIG <= 106 const int maxPadeDegree = 10; @@ -298,7 +298,7 @@ MatrixPowerAtomic<MatrixType>::computeSuperDiag(const ComplexScalar& curr, const ComplexScalar logCurr = log(curr); ComplexScalar logPrev = log(prev); - int unwindingNumber = ceil((numext::imag(logCurr - logPrev) - EIGEN_PI) / (2*EIGEN_PI)); + int unwindingNumber = ceil((numext::imag(logCurr - logPrev) - RealScalar(EIGEN_PI)) / RealScalar(2*EIGEN_PI)); ComplexScalar w = numext::log1p((curr-prev)/prev)/RealScalar(2) + ComplexScalar(0, EIGEN_PI*unwindingNumber); return RealScalar(2) * exp(RealScalar(0.5) * p * (logCurr + logPrev)) * sinh(p * w) / (curr - prev); } @@ -383,7 +383,7 @@ class MatrixPower : internal::noncopyable private: typedef std::complex<RealScalar> ComplexScalar; - typedef Matrix<ComplexScalar, Dynamic, Dynamic, MatrixType::Options, + typedef Matrix<ComplexScalar, Dynamic, Dynamic, 0, MatrixType::RowsAtCompileTime, MatrixType::ColsAtCompileTime> ComplexMatrix; /** \brief Reference to the base of matrix power. */ |