Generates all or part of the orthogonal/unitary matrix Q from an LQ factorization determined by p?gelqf (unblocked algorithm).
Updates the eigenvalues and Schur decomposition.
From eigenvalues and initial representations computes the selected eigenvalues and eigenvectors of the real symmetric tridiagonal matrix in parallel on multiple processors.
Determines machine parameters for floating-point arithmetic.
Store internal structures from pardiso_64 to a file.
Computes or sets a permutation vector that minimizes the fill-in during the factorization phase.
Computes the approximate solution vectors.
Extended Eigensolver interface for generalized eigenvalue problem with banded matrices.