StarNEig User's Guide
v0.1.8
A task-based library for solving dense nonsymmetric eigenvalue problems
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41 #ifndef STARNEIG_GEP_DM_H
42 #define STARNEIG_GEP_DM_H
50 #ifndef STARNEIG_ENABLE_MPI
51 #error "This header should be included only when STARNEIG_ENABLE_MPI is defined."
72 #ifdef STARNEIG_GEP_DM_HESSENBERGTRIANGULAR
149 double real[],
double imag[],
double beta[]);
204 double real[],
double imag[],
double beta[]);
206 #ifdef STARNEIG_GEP_DM_REDUCE
274 double real[],
double imag[],
double beta[],
275 int (*predicate)(
double real,
double imag,
double beta,
void *arg),
363 int (*predicate)(
double real,
double imag,
double beta,
void *arg),
424 double real[],
double imag[],
double beta[]);
479 double real[],
double imag[],
double beta[]);
534 #endif // STARNEIG_GEP_DM_H
This file contains data types and functions for distributed matrices.
starneig_error_t starneig_GEP_DM_ReorderSchur(int selected[], starneig_distr_matrix_t S, starneig_distr_matrix_t T, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z, double real[], double imag[], double beta[])
Reorders selected generalized eigenvalues to the top left corner of a generalized Schur decomposition...
This file contains configuration structures and functions for the expert interface functions.
Eigenvector computation configuration structure.
Definition: expert.h:780
starneig_error_t starneig_GEP_DM_ReorderSchur_expert(struct starneig_reorder_conf *conf, int selected[], starneig_distr_matrix_t S, starneig_distr_matrix_t T, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z, double real[], double imag[], double beta[])
Reorders selected generalized eigenvalues to the top left corner of a generalized Schur decomposition...
starneig_error_t starneig_GEP_DM_Schur_expert(struct starneig_schur_conf *conf, starneig_distr_matrix_t H, starneig_distr_matrix_t R, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z, double real[], double imag[], double beta[])
Computes a generalized Schur decomposition given a Hessenberg-triangular decomposition.
starneig_error_t starneig_GEP_DM_Reduce(starneig_distr_matrix_t A, starneig_distr_matrix_t B, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z, 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.
int starneig_error_t
Interface function return value data type.
Definition: error.h:59
starneig_error_t starneig_GEP_DM_Select(starneig_distr_matrix_t S, starneig_distr_matrix_t T, 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 func...
starneig_error_t starneig_GEP_DM_Schur(starneig_distr_matrix_t H, starneig_distr_matrix_t R, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z, double real[], double imag[], double beta[])
Computes a generalized Schur decomposition given a Hessenberg-triangular decomposition.
This file contains the library error codes.
starneig_error_t starneig_GEP_DM_Eigenvectors(int selected[], starneig_distr_matrix_t S, starneig_distr_matrix_t T, starneig_distr_matrix_t Z, starneig_distr_matrix_t X)
Computes a generalized eigenvector for each selected generalized eigenvalue.
starneig_error_t starneig_GEP_DM_Eigenvectors_expert(struct starneig_eigenvectors_conf *conf, int selected[], starneig_distr_matrix_t S, starneig_distr_matrix_t T, starneig_distr_matrix_t Z, starneig_distr_matrix_t X)
Computes a generalized eigenvector for each selected generalized eigenvalue.
struct starneig_distr_matrix * starneig_distr_matrix_t
Distributed matrix.
Definition: distr_matrix.h:189
starneig_error_t starneig_GEP_DM_HessenbergTriangular(starneig_distr_matrix_t A, starneig_distr_matrix_t B, starneig_distr_matrix_t Q, starneig_distr_matrix_t Z)
Computes a Hessenberg-triangular decomposition of a general matrix pencil.
Eigenvalue reordering configuration structure.
Definition: expert.h:678
This file contains StarNEig library configuration.
Schur reduction configuration structure.
Definition: expert.h:205