ergo
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Symmetric matrix. More...
#include <MatrixSymmetric.h>
Public Types | |
typedef VectorGeneral< Treal, typename Tmatrix::VectorType > | VectorType |
typedef Treal | real |
Public Member Functions | |
MatrixSymmetric () | |
Default constructor. | |
MatrixSymmetric (const MatrixSymmetric< Treal, Tmatrix > &symm) | |
Copy constructor. | |
MatrixSymmetric (const XY< Treal, MatrixSymmetric< Treal, Tmatrix > > &sm) | |
MatrixSymmetric (const MatrixGeneral< Treal, Tmatrix > &matr) | |
'Copy from normal matrix' - constructor | |
void | assignFromFull (std::vector< Treal > const &fullMat) |
void | assignFromFull (std::vector< Treal > const &fullMat, std::vector< int > const &rowPermutation, std::vector< int > const &colPermutation) |
void | fullMatrix (std::vector< Treal > &fullMat) const |
Save matrix as full matrix. | |
void | fullMatrix (std::vector< Treal > &fullMat, std::vector< int > const &rowInversePermutation, std::vector< int > const &colInversePermutation) const |
Save matrix as full matrix. | |
void | assign_from_sparse (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values) |
Assign from sparse matrix given by three vectors. | |
void | assign_from_sparse (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values, SizesAndBlocks const &newRows, SizesAndBlocks const &newCols) |
Assign from sparse matrix given by three vectors. | |
void | assign_from_sparse (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values, std::vector< int > const &rowPermutation, std::vector< int > const &colPermutation) |
Same as above, except taking two additional arguments specifying the permutation of rows and columns. | |
void | assign_from_sparse (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values, SizesAndBlocks const &newRows, SizesAndBlocks const &newCols, std::vector< int > const &rowPermutation, std::vector< int > const &colPermutation) |
Same as above, except taking sizes and blocks arguments. | |
void | add_values (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values) |
Add given set of values to the matrix. | |
void | add_values (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > const &values, std::vector< int > const &rowPermutation, std::vector< int > const &colPermutation) |
Same as above, except taking two additional arguments specifying the permutation of rows and columns. | |
void | get_values (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > &values) const |
Get values given by row and column index lists. | |
void | get_values (std::vector< int > const &rowind, std::vector< int > const &colind, std::vector< Treal > &values, std::vector< int > const &rowPermutation, std::vector< int > const &colPermutation) const |
Same as above, except taking two additional arguments specifying the permutation of rows and columns. | |
void | get_all_values (std::vector< int > &rowind, std::vector< int > &colind, std::vector< Treal > &values) const |
Get all values and corresponding row and column index lists, in matrix. | |
void | get_all_values (std::vector< int > &rowind, std::vector< int > &colind, std::vector< Treal > &values, std::vector< int > const &rowInversePermutation, std::vector< int > const &colInversePermutation) const |
Same as above, except taking two additional arguments specifying the permutation of rows and columns. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const MatrixSymmetric< Treal, Tmatrix > &symm) |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const MatrixGeneral< Treal, Tmatrix > &matr) |
MatrixSymmetric< Treal, Tmatrix > & | operator= (int const k) |
Treal | frob () const |
Treal | mixed_norm (Treal const requestedAccuracy, int maxIter=-1) const |
Treal | eucl (Treal const requestedAccuracy, int maxIter=-1) const |
void | quickEuclBounds (Treal &euclLowerBound, Treal &euclUpperBound) const |
Treal | thresh (Treal const threshold, normType const norm) |
Does thresholding so that the error in the chosen norm is below the given threshold. | |
Treal | frob_thresh (Treal const threshold) |
Does thresholding so that the error in the Frobenius norm is below the given threshold. | |
Treal | eucl_thresh (Treal const threshold, MatrixTriangular< Treal, Tmatrix > const *const Zptr=NULL) |
Treal | eucl_element_level_thresh (Treal const threshold) |
void | getSizesAndBlocksForFrobNormMat (SizesAndBlocks &rows_new, SizesAndBlocks &cols_new) const |
Treal | mixed_norm_thresh (Treal const threshold) |
void | simple_blockwise_frob_thresh (Treal const threshold) |
void | gersgorin (Treal &lmin, Treal &lmax) const |
size_t | nnz () const |
size_t | nvalues () const |
void | write_to_buffer (void *buffer, const int n_bytes) const |
void | read_from_buffer (void *buffer, const int n_bytes) |
MatrixSymmetric< Treal, Tmatrix > & | operator= (XY< Treal, MatrixSymmetric< Treal, Tmatrix > > const &sm) |
B = alpha * A : A and B are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const XYZpUV< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix >, Treal, MatrixSymmetric< Treal, Tmatrix > > &sm2psm) |
C = alpha * A * A + beta * C : A and C are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const XYZ< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > &sm2) |
C = alpha * A * A : A and C are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator+= (const XYZ< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > &sm2) |
C += alpha * A * A : A and C are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const XYZpUV< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix >, Treal, MatrixSymmetric< Treal, Tmatrix > > &smmpsm) |
C = alpha * A * transpose(A) + beta * C : C is symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const XYZ< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix > > &smm) |
C = alpha * A * transpose(A) : C is symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator+= (const XYZ< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix > > &smm) |
C += alpha * A * transpose(A) : C is symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (const XYZ< MatrixTriangular< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix >, MatrixTriangular< Treal, Tmatrix > > &zaz) |
A = Z * A * transpose(Z) : Z is upper triangular and A is symmetric; A = transpose(Z) * A * Z : Z is upper triangular and A is symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (XpY< MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > const &mpm) |
C = A + B : A, B, and C are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator= (XmY< MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > const &mm) |
C = A - B : A, B, and C are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator+= (MatrixSymmetric< Treal, Tmatrix > const &A) |
B += A : A and B are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator-= (MatrixSymmetric< Treal, Tmatrix > const &A) |
B -= A : A and B are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator+= (XY< Treal, MatrixSymmetric< Treal, Tmatrix > > const &sm) |
B += alpha * A : A and B are symmetric. | |
MatrixSymmetric< Treal, Tmatrix > & | operator-= (XY< Treal, MatrixSymmetric< Treal, Tmatrix > > const &sm) |
B -= alpha * A : A and B are symmetric. | |
template<typename Top > | |
Treal | accumulateWith (Top &op) |
void | random () |
void | randomZeroStructure (Treal probabilityBeingZero) |
template<typename TRule > | |
void | setElementsByRule (TRule &rule) |
Uses rule depending on the row and column indexes to set matrix elements The Trule class should have the function "Treal = set(int row,int col)" which is used to set the elements. | |
void | transfer (MatrixSymmetric< Treal, Tmatrix > &dest) |
Transfer this matrix to dest, clearing previous content of dest if any. | |
template<typename Tvector > | |
void | matVecProd (Tvector &y, Tvector const &x) const |
std::string | obj_type_id () const |
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void | resetSizesAndBlocks (SizesAndBlocks const &newRows, SizesAndBlocks const &newCols) |
void | getRows (SizesAndBlocks &rowsCopy) const |
void | getCols (SizesAndBlocks &colsCopy) const |
bool | is_empty () const |
Check if matrix is empty. | |
Treal | trace () const |
void | add_identity (Treal alpha) |
MatrixBase< Treal, Tmatrix > & | operator*= (Treal const alpha) |
bool | operator== (int k) const |
void | clear () |
Release memory for the information written to file. | |
size_t | memory_usage () const |
void | write_to_buffer_count (int &n_bytes) const |
int | get_nrows () const |
int | get_ncols () const |
Tmatrix const & | getMatrix () const |
Tmatrix & | getMatrix () |
Treal | maxAbsValue () const |
Get largest absolute value of matrix element in the matrix. | |
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void | writeToFile () |
Write object to file if filewrite is active. | |
void | readFromFile () |
Read object from file if filewrite is active. | |
bool | isOnFile () |
Check if object is on file. | |
long int | fileSize () |
Return file size. |
Static Public Member Functions | |
static Interval< Treal > | diff (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, normType const norm, Treal const requestedAccuracy) |
Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 ) | |
static Interval< Treal > | diffIfSmall (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, normType const norm, Treal const requestedAccuracy, Treal const maxAbsVal) |
Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 ) based on the chosen norm. | |
static Treal | frob_diff (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B) |
Returns the Frobenius norm of A - B ( || A - B ||_F ) | |
static Treal | eucl_diff (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, Treal const requestedAccuracy) |
Returns the Euclidean norm of A - B ( || A - B ||_2 ) | |
static Treal | mixed_diff (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, Treal const requestedAccuracy) |
Returns the 'mixed' norm of A - B ( || A - B ||_mixed ) | |
static Interval< Treal > | euclDiffIfSmall (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, Treal const requestedAccuracy, Treal const maxAbsVal, VectorType *const eVecPtr=0) |
Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 ). | |
static Treal | trace_ab (const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B) |
static void | ssmmUpperTriangleOnly (const Treal alpha, const MatrixSymmetric< Treal, Tmatrix > &A, const MatrixSymmetric< Treal, Tmatrix > &B, const Treal beta, MatrixSymmetric< Treal, Tmatrix > &C) |
C = alpha * A * B + beta * C where A and B are symmetric and only the upper triangle of C is computed, C is enforced to be symmetric! |
Protected Member Functions | |
void | writeToFileProt (std::ofstream &file) const |
Write object to file. | |
void | readFromFileProt (std::ifstream &file) |
Read object from file. | |
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MatrixBase () | |
MatrixBase (const MatrixBase< Treal, Tmatrix > &other) | |
MatrixBase< Treal, Tmatrix > & | operator= (const MatrixBase< Treal, Tmatrix > &other) |
MatrixBase< Treal, Tmatrix > & | operator= (const Xtrans< MatrixGeneral< Treal, Tmatrix > > &mt) |
void | write_to_buffer_base (void *buffer, const int n_bytes, const matrix_type mattype) const |
void | read_from_buffer_base (void *buffer, const int n_bytes, const matrix_type mattype) |
void | writeToFileBase (std::ofstream &file, matrix_type const mattype) const |
void | readFromFileBase (std::ifstream &file, matrix_type const mattype) |
void | inMemorySet (bool inMem) |
Make object invalid (false) via this function when object is written to file and valid (true) when object is read from file. | |
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FileWritable () | |
Gives each object a unique ID-number and filename. | |
virtual | ~FileWritable () |
Removes file, if any. | |
FileWritable (FileWritable const &) | |
FileWritable & | operator= (FileWritable const &) |
Static Protected Member Functions | |
static void | getPermutedAndSymmetrized (std::vector< int > const &rowind, std::vector< int > const &rowPermutation, std::vector< int > &newRowind, std::vector< int > const &colind, std::vector< int > const &colPermutation, std::vector< int > &newColind) |
This function permutes row and column indices according to the specified permutation and gives the indices as upper triangle in the new permutation. | |
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static void | getPermutedIndexes (std::vector< int > const &index, std::vector< int > const &permutation, std::vector< int > &newIndex) |
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static std::string | getStatsTime (TypeTimeMap &theMap) |
static std::string | getStatsCount (TypeCountMap &theMap) |
static std::string | getStatsFileSizes (ObjPtrSet const &set) |
Additional Inherited Members | |
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ValidPtr< Tmatrix > | matrixPtr |
Symmetric matrix.
This class belongs to the matrix API
The matrix is stored in the upper triangle.
Treal: Type for real numbers
Tmatrix: The matrix class
typedef Treal mat::MatrixSymmetric< Treal, Tmatrix >::real |
typedef VectorGeneral<Treal, typename Tmatrix::VectorType> mat::MatrixSymmetric< Treal, Tmatrix >::VectorType |
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Default constructor.
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Copy constructor.
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'Copy from normal matrix' - constructor
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Referenced by mat::accumulate().
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Add given set of values to the matrix.
The values should be given in upper triangular storage.
Referenced by add_random_diag_perturbation(), SparseMatrix::addSymmetrizedTo(), calculation_shared(), and main().
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Same as above, except taking two additional arguments specifying the permutation of rows and columns.
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Assign from sparse matrix given by three vectors.
The vectors contain row indices, column indices and values. The indices start at zero. The elements to be added must be given in upper triangluar storage. Information about sizes and blocks for rows as well as columns must also be given. Assumes that sizes and blocks are already set.
Referenced by add_disturbance_to_matrix(), mat::MatrixSymmetric< ergo_real, Matri >::assign_from_sparse(), mat::MatrixSymmetric< ergo_real, Matri >::assignFromFull(), compute_h_core_matrix_simple_dense(), compute_J_by_boxes_sparse(), compute_K_by_boxes_sparse(), compute_V_sparse(), get_diag_matrix_from_file(), get_simple_starting_guess_sparse(), get_T(), load_density_and_project_sparse(), main(), and mainFun().
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Assign from sparse matrix given by three vectors.
The vectors contain row indices, column indices and values. The indices start at zero. The elements to be added must be given in upper triangluar storage. Information about sizes and blocks for rows as well as columns must also be given.
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Same as above, except taking two additional arguments specifying the permutation of rows and columns.
Also, assuming that sizes and blocks are already set.
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Same as above, except taking sizes and blocks arguments.
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Referenced by SCF_unrestricted::do_spin_flip(), get_2e_matrices_and_energy_restricted_open(), get_2e_matrices_and_energy_simple_sparse_unrestricted(), get_2e_matrices_and_energy_sparse_unrestricted(), get_2e_matrix_and_energy_simple_sparse(), get_2e_matrix_and_energy_sparse(), get_dens_from_fock_general(), get_random_positive_definite_matrix(), and mainFun().
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Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 )
References mat::euclNorm, mat::frobNorm, mat::MatrixBase< Treal, Tmatrix >::get_nrows(), and template_blas_sqrt().
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Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 ) based on the chosen norm.
BUT, in the case of Euclidean norm, the norm is only computed with the requested accuracy if it is smaller than 'maxAbsVal'.
References mat::euclNorm, mat::frobNorm, mat::MatrixBase< Treal, Tmatrix >::get_nrows(), and template_blas_sqrt().
Treal mat::MatrixSymmetric< Treal, Tmatrix >::eucl | ( | Treal const | requestedAccuracy, |
int | maxIter = -1 |
||
) | const |
References mat::MatrixSymmetric< Treal, Tmatrix >::frob_thresh(), mat::arn::LanczosLargestMagnitudeEig< Treal, Tmatrix, Tvector >::getLargestMagnitudeEig(), mat::VectorGeneral< Treal, Tvector >::rand(), mat::VectorGeneral< Treal, Tvector >::resetSizesAndBlocks(), and template_blas_fabs().
Referenced by SCF_restricted::disturb_dens_matrix_exact_try(), SCF_restricted::get_2e_part_and_energy(), SCF_restricted::get_non_ort_err_mat_normalized_in_ort_basis(), getAllEigsInterval(), SCF_general::GetEuclideanNormOfMatrix(), main(), mainFun(), mat::MatrixSymmetric< Treal, Tmatrix >::mixed_diff(), mat::MatrixSymmetric< Treal, Tmatrix >::mixed_norm(), MatAccInvestigator< Treal, Tworker >::Scan(), SCF_general::SCF_general(), and SCF_restricted::update_subspace_diff().
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Returns the Euclidean norm of A - B ( || A - B ||_2 )
References mat::euclIfSmall(), and mat::Interval< Treal >::midPoint().
Referenced by SCF_restricted::get_2e_part_and_energy(), get_dens_from_fock_sparse(), get_E_norm_and_sin_theta(), output_diff_norm_values(), and run_comparison_to_simple_purification().
Treal mat::MatrixSymmetric< Treal, Tmatrix >::eucl_element_level_thresh | ( | Treal const | threshold | ) |
Treal mat::MatrixSymmetric< Treal, Tmatrix >::eucl_thresh | ( | Treal const | threshold, |
MatrixTriangular< Treal, Tmatrix > const *const | Zptr = NULL |
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) |
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Returns interval containing the Euclidean norm of A - B ( || A - B ||_2 ).
BUT, the norm is only computed with the requested accuracy if it is smaller than 'maxAbsVal'. Otherwise, the Frobenius norm is used to get the bounds.
References mat::euclIfSmall(), mat::Interval< Treal >::length(), and mat::Interval< Treal >::midPoint().
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Returns the Frobenius norm of A - B ( || A - B ||_F )
Referenced by do_tdhf_dynamics(), SCF_restricted::get_2e_part_and_energy(), get_dens_from_fock_sparse(), mainFun(), output_diff_norm_values(), simple_purification(), and test_S_V_comparison().
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Does thresholding so that the error in the Frobenius norm is below the given threshold.
Returns an upper bound of the introduced error. If no elements on the block diagonal are removed the return value is equal to the introduced error.
Referenced by mat::MatrixSymmetric< Treal, Tmatrix >::eucl(), SCF_unrestricted::get_2e_part_and_energy(), and SCF_unrestricted::use_diis_to_get_new_fock_matrix().
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Save matrix as full matrix.
Whole matrix is written in columnwise order. Both lower and upper triangle. NOTE that no permutation is used in this operation.
Referenced by SCF_unrestricted::do_spin_flip(), es_run(), get_2e_matrices_and_energy_restricted_open(), get_2e_matrices_and_energy_simple_sparse_unrestricted(), get_2e_matrices_and_energy_sparse_unrestricted(), get_2e_matrix_and_energy_simple_sparse(), get_2e_matrix_and_energy_sparse(), mainFun(), SCF_unrestricted::output_density_images(), test_V_by_explicit_comparison(), test_V_by_explicit_comparison_tight(), and write_full_matrix().
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Save matrix as full matrix.
Whole matrix is written in columnwise order. Both lower and upper triangle. Permutation is used.
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Referenced by getAllEigsInterval(), and mainFun().
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Get all values and corresponding row and column index lists, in matrix.
Only upper triangle values are returned.
Referenced by mat::MatrixSymmetric< ergo_real, Matri >::fullMatrix(), get_CSR_from_symmMatrix(), main(), mainFun(), SCF_restricted::write_density_to_file(), and SCF_unrestricted::write_density_to_file().
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Same as above, except taking two additional arguments specifying the permutation of rows and columns.
Note, however, that this permutation is the inverse permutation compared to the permutations provided in the functions "assign_from_sparse", "add_values", and "get_values"
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Get values given by row and column index lists.
Input arrays contain row and column indices. The wanted elements must be given in upper triangluar storage. The output array contains values for the given indices.
Referenced by check_diagonal_elements_of_overlap_matrix(), compute_J_by_boxes_sparse(), mainFun(), small_calculation_core(), SparseMatrix::SparseMatrix(), and write_diag_elements_to_file().
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Same as above, except taking two additional arguments specifying the permutation of rows and columns.
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This function permutes row and column indices according to the specified permutation and gives the indices as upper triangle in the new permutation.
Referenced by mat::MatrixSymmetric< ergo_real, Matri >::add_values(), mat::MatrixSymmetric< ergo_real, Matri >::assign_from_sparse(), mat::MatrixSymmetric< ergo_real, Matri >::get_all_values(), and mat::MatrixSymmetric< ergo_real, Matri >::get_values().
void mat::MatrixSymmetric< Treal, Tmatrix >::getSizesAndBlocksForFrobNormMat | ( | SizesAndBlocks & | rows_new, |
SizesAndBlocks & | cols_new | ||
) | const |
References mat::SizesAndBlocks::getBlockSizeVector(), and mat::SizesAndBlocks::getNTotalScalars().
Referenced by mat::MatrixSymmetric< Treal, Tmatrix >::mixed_diff().
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Returns the 'mixed' norm of A - B ( || A - B ||_mixed )
References mat::MatrixSymmetric< Treal, Tmatrix >::eucl(), mat::MatrixBase< Treal, Tmatrix >::getMatrix(), mat::MatrixSymmetric< Treal, Tmatrix >::getSizesAndBlocksForFrobNormMat(), and mat::MatrixBase< Treal, Tmatrix >::resetSizesAndBlocks().
Referenced by SCF_restricted::get_2e_part_and_energy(), get_dens_from_fock_sparse(), and output_diff_norm_values().
Treal mat::MatrixSymmetric< Treal, Tmatrix >::mixed_norm | ( | Treal const | requestedAccuracy, |
int | maxIter = -1 |
||
) | const |
Treal mat::MatrixSymmetric< Treal, Tmatrix >::mixed_norm_thresh | ( | Treal const | threshold | ) |
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Referenced by SCF_restricted::write_density_to_file(), and SCF_unrestricted::write_density_to_file().
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Reimplemented from mat::MatrixBase< Treal, Tmatrix >.
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator+= | ( | const XYZ< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > & | sm2 | ) |
C += alpha * A * A : A and C are symmetric.
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator+= | ( | const XYZ< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix > > & | smm | ) |
C += alpha * A * transpose(A) : C is symmetric.
References mat::syrk().
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B += A : A and B are symmetric.
References mat::MatrixBase< Treal, Tmatrix >::matrixPtr.
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B += alpha * A : A and B are symmetric.
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B -= A : A and B are symmetric.
References mat::MatrixBase< Treal, Tmatrix >::matrixPtr.
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B -= alpha * A : A and B are symmetric.
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Referenced by mat::MatrixSymmetric< ergo_real, Matri >::operator=().
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B = alpha * A : A and B are symmetric.
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator= | ( | const XYZpUV< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix >, Treal, MatrixSymmetric< Treal, Tmatrix > > & | sm2psm | ) |
C = alpha * A * A + beta * C : A and C are symmetric.
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator= | ( | const XYZ< Treal, MatrixSymmetric< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix > > & | sm2 | ) |
C = alpha * A * A : A and C are symmetric.
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator= | ( | const XYZpUV< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix >, Treal, MatrixSymmetric< Treal, Tmatrix > > & | smmpsm | ) |
C = alpha * A * transpose(A) + beta * C : C is symmetric.
References mat::syrk().
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator= | ( | const XYZ< Treal, MatrixGeneral< Treal, Tmatrix >, MatrixGeneral< Treal, Tmatrix > > & | smm | ) |
C = alpha * A * transpose(A) : C is symmetric.
References mat::syrk().
MatrixSymmetric< Treal, Tmatrix > & mat::MatrixSymmetric< Treal, Tmatrix >::operator= | ( | const XYZ< MatrixTriangular< Treal, Tmatrix >, MatrixSymmetric< Treal, Tmatrix >, MatrixTriangular< Treal, Tmatrix > > & | zaz | ) |
A = Z * A * transpose(Z) : Z is upper triangular and A is symmetric; A = transpose(Z) * A * Z : Z is upper triangular and A is symmetric.
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C = A + B : A, B, and C are symmetric.
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C = A - B : A, B, and C are symmetric.
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Referenced by mainFun().
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Uses rule depending on the row and column indexes to set matrix elements The Trule class should have the function "Treal = set(int row,int col)" which is used to set the elements.
Referenced by mainFun().
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Referenced by get_E_norm_and_sin_theta(), and simple_purification().
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C = alpha * A * B + beta * C where A and B are symmetric and only the upper triangle of C is computed, C is enforced to be symmetric!
References mat::MatrixBase< Treal, Tmatrix >::matrixPtr.
Treal mat::MatrixSymmetric< Treal, Tmatrix >::thresh | ( | Treal const | threshold, |
normType const | norm | ||
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Does thresholding so that the error in the chosen norm is below the given threshold.
Returns the actual introduced error. In case of the Frobenius norm the return value may be an upper bound. In case of the Euclidean norm the return value is sometimes an upper bound as well but it can only happen if the whole matrix is removed.
References mat::euclNorm, mat::frobNorm, and mat::mixedNorm.
Referenced by get_dens_from_fock_sparse().
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inlinestatic |
Referenced by SCF_restricted::calculate_energy(), SCF_unrestricted::calculate_energy(), compute_dipole_moment_onecoord(), SCF_unrestricted::do_spin_flip(), get_2e_matrices_and_energy_restricted_open(), get_2e_matrices_and_energy_simple_HF_sparse_unrestricted(), get_2e_matrices_and_energy_simple_sparse_unrestricted(), get_2e_matrix_and_energy_simple_HF_sparse(), get_2e_matrix_and_energy_simple_sparse(), SCF_restricted::get_new_density_matrix(), and SCF_unrestricted::get_new_density_matrix().
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inline |
Transfer this matrix to dest, clearing previous content of dest if any.
Referenced by get_dens_from_fock_sparse(), and simple_purification().
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inline |
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