#include "realtype.h"
#include "matrix_typedefs.h"
Go to the source code of this file.
Functions | |
int | get_dens_from_fock_sparse (int n, int noOfOccupiedOrbs, symmMatrix &resultDens, ergo_real factor, symmMatrix const &Finput, intervalType &homoInterval_Finput, intervalType &lumoInterval_Finput, triangMatrix const &invCholFactor, ergo_real invCholFactor_euclnorm, ergo_real gap_expected_lower_bound, mat::SizesAndBlocks const &matrixSizesAndBlocks, symmMatrix &F_ort_prev, intervalType &homoInterval_F_ort_prev, intervalType &lumoInterval_F_ort_prev, ergo_real eigvalueErrorLimit, ergo_real subspaceErrorLimit, mat::normType const truncationNormPurification, int maxMul, int create_m_files, int ignore_purification_failure, int use_rand_perturbation_for_alleigsint, std::string stats_prefix, std::map< std::string, double > &puri_stats, int do_sparsity_investigation, int sparsity_plots_resolution_m, int do_comparison_to_simple_purification, generalVector *eigVecLUMO=0, generalVector *eigVecHOMO=0) |
int get_dens_from_fock_sparse | ( | int | n, | |
int | noOfOccupiedOrbs, | |||
symmMatrix & | resultDens, | |||
ergo_real | factor, | |||
symmMatrix const & | Finput, | |||
intervalType & | homoInterval_Finput, | |||
intervalType & | lumoInterval_Finput, | |||
triangMatrix const & | invCholFactor, | |||
ergo_real | invCholFactor_euclnorm, | |||
ergo_real | gap_expected_lower_bound, | |||
mat::SizesAndBlocks const & | matrixSizesAndBlocks, | |||
symmMatrix & | F_ort_prev, | |||
intervalType & | homoInterval_F_ort_prev, | |||
intervalType & | lumoInterval_F_ort_prev, | |||
ergo_real | eigvalueErrorLimit, | |||
ergo_real | subspaceErrorLimit, | |||
mat::normType const | truncationNormPurification, | |||
int | maxMul, | |||
int | create_m_files, | |||
int | ignore_purification_failure, | |||
int | use_rand_perturbation_for_alleigsint, | |||
std::string | stats_prefix, | |||
std::map< std::string, double > & | puri_stats, | |||
int | do_sparsity_investigation, | |||
int | sparsity_plots_resolution_m, | |||
int | do_comparison_to_simple_purification, | |||
generalVector * | eigVecLUMO = 0 , |
|||
generalVector * | eigVecHOMO = 0 | |||
) |
n | System size. |
noOfOccupiedOrbs | Number of occupied orbitals. |
resultDens | (out) Resulting density matrix (D_S) in 'non-orthogonal basis'. ( D_S = Z*D_ort*ZT ) |
factor | Factor to scale the resulting density matrix. (for restricted vs unrestricted calc) |
Finput | (in) Fock/Kohn-Sham matrix (F_S) in 'non-orthogonal basis'. (written to file) |
homoInterval_Finput | (out) Output: Contains the homo eigenvalue of Finput. |
lumoInterval_Finput | (out) Output: Contains the lumo eigenvalue of Finput. |
invCholFactor | (in) Inverse Cholesky factor of S. (written to file) |
invCholFactor_euclnorm | Euclidean norm of inverse Cholesky factor. |
gap_expected_lower_bound | Expected lower bound for the gap to be used in early iterations. |
matrixSizesAndBlocks | Information about HML matrix block sizes etc. |
F_ort_prev | (in/out) Input: Previous F matrix in orthogonal basis. (written to file) Output: New F matrix in orthogonal basis ( ZT*Finput*Z ). (written to file) |
homoInterval_F_ort_prev | (in/out) Input: Contains the homo eigenvalue of F_ort_prev. Output: Contains the homo eigenvalue of F_ort_prev. |
lumoInterval_F_ort_prev | (in/out) Input: Contains the lumo eigenvalue of F_ort_prev. Output: Contains the lumo eigenvalue of F_ort_prev. |
eigvalueErrorLimit | (in) Requested accuracy in eigenvalues of D_ort. |
subspaceErrorLimit | (in) Requested accuracy in the occupied subspace of D_ort. |
truncationNormPurification | Norm to be used for truncation in, before, and after purification. |
maxMul | Maximum allowed number of matrix multiplications. |
create_m_files | Flag to create m-files with information about the purification process. |
ignore_purification_failure | Continue even if purification fails to converge. |
use_rand_perturbation_for_alleigsint | Apply a random perturbation to (try to) improve the convergence speed of Lanczos calculation of extremal eigenvalues. |
stats_prefix | Prefix to be added to statistics files. |
puri_stats | Map to store stats for purification. |
do_sparsity_investigation | Flag to turn on sparsity investigation. |
sparsity_plots_resolution_m | Resolution in element magnitude histograms. |
do_comparison_to_simple_purification | Flag to turn on comparison to simple purification. |
eigVecLUMO | LUMO eigenvector |
eigVecHOMO | HOMO eigenvector |