StarNEig Library
version v0.1-beta.3
A task-based library for solving nonsymmetric eigenvalue problems
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This file contains shared memory interface functions for generalized eigenvalue problems. More...
Go to the source code of this file.
Functions | |
Computational functions | |
starneig_error_t | starneig_GEP_SM_HessenbergTriangular (int n, double A[], int ldA, double B[], int ldB, double Q[], int ldQ, double Z[], int ldZ) |
Computes a Hessenberg-triangular decomposition of a general matrix pencil. More... | |
starneig_error_t | starneig_GEP_SM_Schur (int n, double H[], int ldH, double T[], int ldT, double Q[], int ldQ, double Z[], int ldZ, double real[], double imag[], double beta[]) |
Computes a generalized Schur decomposition given a Hessenberg-triangular decomposition. More... | |
starneig_error_t | starneig_GEP_SM_ReorderSchur (int n, int selected[], double S[], int ldS, double T[], int ldT, double Q[], int ldQ, double Z[], int ldZ, double real[], double imag[], double beta[]) |
Reorders selected generalized eigenvalues to the top left corner of a generalized Schur decomposition. More... | |
starneig_error_t | starneig_GEP_SM_Reduce (int n, double A[], int ldA, double B[], int ldB, double Q[], int ldQ, double Z[], int ldZ, double real[], double imag[], double beta[], int(*predicate)(double real, double imag, double beta, void *arg), void *arg, int selected[], int *num_selected) |
Computes a (reordered) generalized Schur decomposition given a general matrix pencil. More... | |
starneig_error_t | starneig_GEP_SM_Eigenvectors (int n, int selected[], double S[], int ldS, double T[], int ldT, double Z[], int ldZ, double X[], int ldX) |
Computes a generalized eigenvector for each selected generalized eigenvalue. More... | |
Helper functions | |
starneig_error_t | starneig_GEP_SM_Select (int n, double S[], int ldS, double T[], int ldT, int(*predicate)(double real, double imag, double beta, void *arg), void *arg, int selected[], int *num_selected) |
Generates a selection array for a Schur-triangular matrix pencil using a user-supplied predicate function. More... | |
Expert computational functions | |
starneig_error_t | starneig_GEP_SM_Schur_expert (struct starneig_schur_conf *conf, int n, double H[], int ldH, double T[], int ldT, double Q[], int ldQ, double Z[], int ldZ, double real[], double imag[], double beta[]) |
Computes a generalized Schur decomposition given a Hessenberg-triangular decomposition. More... | |
starneig_error_t | starneig_GEP_SM_ReorderSchur_expert (struct starneig_reorder_conf *conf, int n, int selected[], double S[], int ldS, double T[], int ldT, double Q[], int ldQ, double Z[], int ldZ, double real[], double imag[], double beta[]) |
Reorders selected eigenvalues to the top left corner of a generalized Schur decomposition. More... | |
starneig_error_t | starneig_GEP_SM_Eigenvectors_expert (struct starneig_eigenvectors_conf *conf, int n, int selected[], double S[], int ldS, double T[], int ldT, double Z[], int ldZ, double X[], int ldX) |
Computes a generalized eigenvector for each selected generalized eigenvalue. More... | |
This file contains shared memory interface functions for generalized eigenvalue problems.
Copyright (c) 2019, Umeå Universitet
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