diff options
Diffstat (limited to 'Eigen/src/Eigenvalues/EigenSolver.h')
| -rw-r--r-- | Eigen/src/Eigenvalues/EigenSolver.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/Eigen/src/Eigenvalues/EigenSolver.h b/Eigen/src/Eigenvalues/EigenSolver.h index a63a42341..b866544b4 100644 --- a/Eigen/src/Eigenvalues/EigenSolver.h +++ b/Eigen/src/Eigenvalues/EigenSolver.h @@ -299,6 +299,13 @@ template<typename _MatrixType> class EigenSolver void doComputeEigenvectors(); protected: + + static void check_template_parameters() + { + EIGEN_STATIC_ASSERT_NON_INTEGER(Scalar); + EIGEN_STATIC_ASSERT(!NumTraits<Scalar>::IsComplex, NUMERIC_TYPE_MUST_BE_REAL); + } + MatrixType m_eivec; EigenvalueType m_eivalues; bool m_isInitialized; @@ -366,6 +373,8 @@ template<typename MatrixType> EigenSolver<MatrixType>& EigenSolver<MatrixType>::compute(const MatrixType& matrix, bool computeEigenvectors) { + check_template_parameters(); + using std::sqrt; using std::abs; using numext::isfinite; @@ -408,7 +417,7 @@ EigenSolver<MatrixType>::compute(const MatrixType& matrix, bool computeEigenvect { Scalar t0 = m_matT.coeff(i+1, i); Scalar t1 = m_matT.coeff(i, i+1); - Scalar maxval = numext::maxi(abs(p),numext::maxi(abs(t0),abs(t1))); + Scalar maxval = numext::maxi<Scalar>(abs(p),numext::maxi<Scalar>(abs(t0),abs(t1))); t0 /= maxval; t1 /= maxval; Scalar p0 = p/maxval; @@ -599,7 +608,7 @@ void EigenSolver<MatrixType>::doComputeEigenvectors() } // Overflow control - Scalar t = numext::maxi(abs(m_matT.coeff(i,n-1)),abs(m_matT.coeff(i,n))); + Scalar t = numext::maxi<Scalar>(abs(m_matT.coeff(i,n-1)),abs(m_matT.coeff(i,n))); if ((eps * t) * t > Scalar(1)) m_matT.block(i, n-1, size-i, 2) /= t; |