#include <skyline.h>
Public Member Functions | |
void | add_entry (double e, long ri, long ci) |
void | addmat_sky (double c, skyline &sky) |
void | addresses () |
void | allocadr (long m) |
void | allocglomat () |
void | assemble_from_cr (long crn, long *cradr, long *crci, double *cra) |
void | assemble_from_scr (long *scradr, long *scrci, double *scra, long neq, long *se) |
long | auxmax (long i, long j) |
long | auxmin (long i, long j) |
void | blokove2 (double *pole, long *adr, long n, long band) |
void | changedecomp () |
void | column_lengths (gtopology *top) |
void | column_lengths_cr (long *cradr, long *ci) |
void | column_lengths_elem (long *cn, long ndofe) |
void | column_lengths_mult (long *ncn1, long *ncn2, long *mcn, long nm) |
void | column_lengths_scr (long *scradr, long *scrci, long *se) |
void | copy_sky (skyline &sky) |
long | decomp () |
void | diag_check (double thr) |
void | diag_scale (double *d) |
void | diagaddresses () |
void | eliminuj_4i_rev (double *a, long n, long s) |
void | faze1_block3 (double *a, double *b, long n, long s, long n2, long s2) |
void | faze2_block3 (double *a, double *b, long n, long s, long n2, long s2) |
double | give_entry (long ri, long ci) |
long | give_negm () |
void | glocalize (matrix &b, long *rcn, long *ccn) |
void | initiate (gtopology *top, long ndof, long mespr) |
void | ker (double *r, long &nse, long *se, long ense, double limit, long tc) |
void | ldl_a12block (double *block, long nrdof) |
void | ldl_feti_sky (double *x, double *y, long nse, long *se, double zero) |
void | ldl_sky (double *x, double *y, double zero, long tc) |
void | ldl_sky3 (double *x, double *y, long tc) |
void | ldl_sky4 (double *x, double *y, long tc) |
void | ldl_sky_10 (double *x, double *y, double zero, long tc) |
void | ldlkon_sky (double *b, double *c, double *x, double *y, long m, long tc) |
double | ldlkoncount_sky (double *b, double *c, double *x, double *y, long m, long tc) |
void | ldlmxv_sky (double *b, double *c) |
void | localize (matrix &b, long *cn) |
void | localized (double *b, long *cn, long m) |
void | ltv (double *b, double *c) |
void | mat_entries (long *cradr, long *ci, double *cra) |
void | mat_entries_scr (long *scradr, long *scrci, double *scra, long *se) |
void | mult_localize (long nm, long *ncn1, long *ncn2, long *mcn) |
void | mxv_sky (double *b, double *c) |
void | napln_a (long i1, long i2, long band, double *pole, double *a, long *adr) |
void | napln_b (long i1, long i2, long band, double *pole, double *b, long *adr) |
void | neglobmat () |
void | nullsky () |
void | printdiag (FILE *out) |
void | printmat (FILE *out) |
void | scalmat_sky (double c) |
void | select_submatrix (skyline *smsky, long nsdof, long *sdof, FILE *out) |
void | setfact () |
void | setnotfact () |
skyline (void) | |
double * | status () |
void | uloz_a (long i1, long i2, long band, double *pole, double *a, long *adr) |
void | uloz_b (long i1, long i2, long band, double *pole, double *b, long *adr) |
void | utv (double *b, double *c) |
~skyline (void) | |
Public Attributes | |
double * | a |
stored matrix | |
long * | adr |
addresses of diagonal entries | |
long | decompid |
long | n |
number of rows of the matrix | |
long | negm |
number of entries in the skyline, it is equal to the size of the array a |
class skyline
serves for matrix storage called skyline or profile skyline storage is available for symmetric real matrices columns are stored from diagonal entry to the farthest non-zero off-diagonal entry
basic data double array a where matrix entries are stored long array adr where addresses of diagonal entries are stored long number n stands for number of rows (columns) of the matrix long number negm stands for number of entries of matrix
basic relations array a has negm components array adr has n+1 components adr[n] is equal to negm
matrices stored in skyline format can be eliminated
JK
Definition at line 30 of file skyline.h.
skyline | ( | void | ) |
~skyline | ( | void | ) |
Definition at line 27 of file skyline.cpp.
Referenced by seqfeti::subdomain_matrices(), feti1::subdomain_matrix(), and seqfeti::~seqfeti().
void add_entry | ( | double | e, | |
long | ri, | |||
long | ci | |||
) |
function adds required matrix entry
e | - matrix entry | |
ri,ci | - row and column indices |
JK, 24.7.2005
Definition at line 2754 of file skyline.cpp.
Referenced by gmatrix::add_entry().
void addmat_sky | ( | double | c, | |
skyline & | sky | |||
) |
function adds premultiplied components of matrix stored in another skyline by c to components of actual skyline
c | - multiplicative coefficient | |
sky | - another skyline |
JK
Definition at line 1953 of file skyline.cpp.
void addresses | ( | void | ) |
function computes addresses of diagonal entries in the matrix
JK, 21.6.2001
Definition at line 243 of file skyline.cpp.
Referenced by z2_smoothing::alloc_ntn(), assemble_from_cr(), assemble_from_scr(), and initiate().
void allocadr | ( | long | m | ) |
function allocates array containing addresses of diagonal entries
m | - number of unknowns in solved problems |
JK
Definition at line 81 of file skyline.cpp.
References adr, memset(), and n.
Referenced by z2_smoothing::alloc_ntn(), assemble_from_cr(), assemble_from_scr(), initiate(), and locmatrix::lmxmxlmt01().
void allocglomat | ( | ) |
function allocates array containing global matrix
JK
Definition at line 276 of file skyline.cpp.
References a, memset(), and negm.
Referenced by z2_smoothing::alloc_ntn(), assemble_from_cr(), assemble_from_scr(), initiate(), and locmatrix::lmxmxlmt01().
void assemble_from_cr | ( | long | crn, | |
long * | cradr, | |||
long * | crci, | |||
double * | cra | |||
) |
function assembles all data about matrix stored in the skyline which is defined in the compressed row format
cr | - pointer to the compressed row format |
JK, 8.5.2007
Definition at line 569 of file skyline.cpp.
References addresses(), allocadr(), allocglomat(), column_lengths_cr(), mat_entries(), n, neglobmat(), and negm.
Referenced by aggregator::local_matrices().
void assemble_from_scr | ( | long * | scradr, | |
long * | scrci, | |||
double * | scra, | |||
long | neq, | |||
long * | se | |||
) |
function assembles matrix of subdomain/aggregate etc. from matrix of the whole problem stored in the symmetric compressed row storage
scr | - pointer to matrix stored in symmetric compressed rows | |
neq | - number of selected equations (rows of the matrix) | |
se | - array of selected unknown numbers |
JK, 22.8.2007
Definition at line 716 of file skyline.cpp.
References addresses(), allocadr(), allocglomat(), column_lengths_scr(), mat_entries_scr(), n, neglobmat(), and negm.
Referenced by seqschur::subdomain_matrices(), and seqfeti::subdomain_matrices().
long auxmax | ( | long | i, | |
long | j | |||
) |
either function decomposes matrix into L.D.L form or computes solution of linear algebraic system regular matrix of system is supposed
x | - array containing system solution | |
y | - array containing right hand side | |
zero | - computer zero (for testing small numbers near zero) | |
tc | - computation indicator |
tc=1 - L.D.L decomposition and system solution tc=2 - only L.D.L. decomposition tc=3 - only back-substitution
JK, IS, 21.6.2001
Definition at line 949 of file skyline.cpp.
Referenced by ldl_sky3().
long auxmin | ( | long | i, | |
long | j | |||
) |
Definition at line 956 of file skyline.cpp.
void blokove2 | ( | double * | pole, | |
long * | adr, | |||
long | n, | |||
long | band | |||
) |
Definition at line 1641 of file skyline.cpp.
References a, eliminuj_4i_rev(), faze1_block3(), faze2_block3(), napln_a(), napln_b(), uloz_a(), and uloz_b().
void changedecomp | ( | ) |
function changes indicator of decomposition (factorization)
JK
Definition at line 51 of file skyline.cpp.
References decompid.
Referenced by gmatrix::changedecomp().
void column_lengths | ( | gtopology * | top | ) |
function prepares array of the column lengths lengths will be used for addresses of the diagonal entries column lenghts are collected in the array address
top | - pointer to general topology |
JK, 21.6.2001
Definition at line 168 of file skyline.cpp.
References column_lengths_elem(), column_lengths_mult(), gtopology::endnodes, gtopology::gedges, gtopology::give_edge_code_numbers(), gtopology::give_endnode_code_numbers(), gtopology::give_gcode_numbers(), gtopology::give_gndofe(), endnode::ndofn, gedge::ndofnf, gedge::ndofnl, gtopology::ne, gtopology::nen, and gtopology::nged.
Referenced by initiate().
void column_lengths_cr | ( | long * | cradr, | |
long * | ci | |||
) |
function computes column lengths the matrix is stored in the format compressed rows this strategy is developed for the BOSS method
cradr | - array of the first entries in rows | |
ci | - array of column indices |
JK, 8.5.2007
Definition at line 526 of file skyline.cpp.
Referenced by assemble_from_cr().
void column_lengths_elem | ( | long * | cn, | |
long | ndofe | |||
) |
function computes contributions to the column lengths from one element
cn | - array of code numbers on actual element | |
ndofe | - number of DOFs on actual element |
JK, 21.6.2001
Definition at line 106 of file skyline.cpp.
References adr.
Referenced by column_lengths(), and z2_smoothing::column_lengths_nn().
void column_lengths_mult | ( | long * | ncn1, | |
long * | ncn2, | |||
long * | mcn, | |||
long | nm | |||
) |
function computes contributions to the column lengths from Lagrange multipliers
ncn1 | - code numbers of first node (on one side of interface) | |
ncn2 | - code numbers of second node (on the other side of interface) | |
mcn | - code numbers of multipliers defined in between | |
nm | - number of multipliers |
JK, 6.8.2008
Definition at line 136 of file skyline.cpp.
References adr.
Referenced by column_lengths().
void column_lengths_scr | ( | long * | scradr, | |
long * | scrci, | |||
long * | se | |||
) |
function computes lengths of columns
scr | - pointer to matrix stored in symmetric compressed rows | |
se | - array of selected unknown numbers |
JK, 22.8.2007
Definition at line 603 of file skyline.cpp.
Referenced by assemble_from_scr().
void copy_sky | ( | skyline & | sky | ) |
long decomp | ( | ) |
function returns indicator of decomposition (factorization)
decompid=0 - matrix is not decomposed (factorized) decompid=1 - matrix is decomposed (factorized)
JK
Definition at line 41 of file skyline.cpp.
References decompid.
Referenced by gmatrix::back_substitution(), gmatrix::decomp(), gmatrix::decompose_matrix(), and gmatrix::solve_system().
void diag_check | ( | double | thr | ) |
function checks diagonal entries
the function is used in some nonlinear nostationary problems where high jumps in coefficients occur some of element matrices are zero matrices and this function puts nonzero values on the diagonal
thr | - prescribed threshold |
JK, 25.8.2011
Definition at line 2907 of file skyline.cpp.
Referenced by gmatrix::diag_check().
void diag_scale | ( | double * | d | ) |
function scales matrix by its diagonal elements
JK, 23.5.2008
Definition at line 2783 of file skyline.cpp.
Referenced by gmatrix::diag_scale().
void diagaddresses | ( | ) |
void eliminuj_4i_rev | ( | double * | a, | |
long | n, | |||
long | s | |||
) |
Definition at line 1409 of file skyline.cpp.
Referenced by blokove2().
void faze1_block3 | ( | double * | a, | |
double * | b, | |||
long | n, | |||
long | s, | |||
long | n2, | |||
long | s2 | |||
) |
Definition at line 1554 of file skyline.cpp.
Referenced by blokove2().
void faze2_block3 | ( | double * | a, | |
double * | b, | |||
long | n, | |||
long | s, | |||
long | n2, | |||
long | s2 | |||
) |
double give_entry | ( | long | ri, | |
long | ci | |||
) |
function returns required matrix entry
ri,ci | - row and column indices |
JK, 24.7.2005
Definition at line 2729 of file skyline.cpp.
Referenced by gmatrix::give_entry().
long give_negm | ( | ) |
function returns number of stored matrix entries
JK, 16.8.2007
Definition at line 2773 of file skyline.cpp.
References negm.
Referenced by gmatrix::give_negm().
void glocalize | ( | matrix & | b, | |
long * | rcn, | |||
long * | ccn | |||
) |
function localizes general rectangular (non-square) matrix b into global matrix
b | - array containing local matrix | |
rcn | - row code numbers | |
ccn | - column code numbers |
JK
Definition at line 388 of file skyline.cpp.
References a, adr, matrix::m, and matrix::n.
Referenced by gmatrix::glocalize().
void initiate | ( | gtopology * | top, | |
long | ndof, | |||
long | mespr | |||
) |
function initiates skyline storage
top | - pointer to general topology | |
ndof | - number of rows/columns of the matrix | |
mespr | - indicator of message printing |
JK
Definition at line 492 of file skyline.cpp.
References addresses(), allocadr(), allocglomat(), column_lengths(), neglobmat(), negm, nullsky(), and status().
Referenced by gmatrix::initiate().
void ker | ( | double * | r, | |
long & | nse, | |||
long * | se, | |||
long | ense, | |||
double | limit, | |||
long | tc | |||
) |
either function decomposes matrix into L.D.L form or computes base vectors of matrix kernel singular or non-singular matrices are accepted function is used especially in FETI method
r | - base vectors of matrix kernel | |
nse | - kernel dimension | |
se | - array containing indices of linearly dependent equations | |
ense | - estimation of number of kernel dimension | |
limit | - linear dependency threshold | |
tc | - computation indicator |
tc=1 - only matrix decomposition tc=2 - only base vectors computation tc=3 - matrix decomposition and base vectors computation
JK, 25.3.1999
Definition at line 1997 of file skyline.cpp.
References a, adr, decompid, g, n, nullv(), and print_err().
Referenced by seqfeti::kernel(), and gmatrix::kernel().
void ldl_a12block | ( | double * | block, | |
long | nrdof | |||
) |
function assembles block 12 of matrix
| A_11 A_12 | A = | | | A_21 A_22 |
block | - matrix containing required block | |
nrdof | - number of uneliminated unknowns |
JK, 24.7.2002
Definition at line 2592 of file skyline.cpp.
References a, adr, n, and nullv().
Referenced by gmatrix::a12block().
void ldl_feti_sky | ( | double * | x, | |
double * | y, | |||
long | nse, | |||
long * | se, | |||
double | zero | |||
) |
function computes vector y = K^+ x where K^+ is pseudoinverse matrix it is used in FETI method matrix must be decomposed into L.D.L^T form
x | - left hand side (solution of the problem) | |
y | - right hand side | |
nse | - number of linearly dependent rows | |
se | - indecies of linearly dependent rows | |
zero | - computer zero |
JK, 8.3.2002
Definition at line 2532 of file skyline.cpp.
Referenced by seqfeti::lagrmultdispl(), seqfeti::lagrmultnodunknowns(), gmatrix::ldl_feti(), seqfeti::mpcg(), and seqfeti::mprcg().
void ldl_sky | ( | double * | x, | |
double * | y, | |||
double | zero, | |||
long | tc | |||
) |
either function decomposes matrix into L.D.L form or computes solution of linear algebraic system nonsingular matrix of system is supposed
x | - array containing system solution | |
y | - array containing right hand side | |
zero | - computer zero (for testing small numbers near zero) | |
tc | - computation indicator |
tc=1 - L.D.L decomposition and system solution tc=2 - only L.D.L. decomposition tc=3 - only back-substitution
JK, 21.6.2001
Definition at line 756 of file skyline.cpp.
References a, aci, adr, decompid, g, n, and print_err().
Referenced by gmatrix::back_substitution(), aggregator::boss(), z2_smoothing::compute_rsigfull(), gmatrix::decompose_matrix(), aggregator::prepare_boss(), and gmatrix::solve_system().
void ldl_sky3 | ( | double * | x, | |
double * | y, | |||
long | tc | |||
) |
void ldl_sky4 | ( | double * | x, | |
double * | y, | |||
long | tc | |||
) |
void ldl_sky_10 | ( | double * | x, | |
double * | y, | |||
double | zero, | |||
long | tc | |||
) |
void ldlkon_sky | ( | double * | b, | |
double * | c, | |||
double * | x, | |||
double * | y, | |||
long | m, | |||
long | tc | |||
) |
function eliminates internal unknowns function is used in the Schur complement method and the FETI-DP method internal unknowns must be at the beginning boundary unknowns must be at the end
b | - condensed matrix, it is stored as dense matrix | |
c | - condensed right hand side vector | |
x | - vector of solution | |
y | - right hand side vector | |
m | - number of boundary unknowns | |
tc | - computation indicator |
tc=1 - condensation of the matrix and the right hand side vector (forward reduction) only, if the matrix is factorized, only modification of the right hand side vector is performed tc=2 - back-substitution only (matrix has to be factorized), tc=3 - partial back substitution only (used in the FETI-DP method)
tc=4 - condensation of the right hand side vector only (matrix has been factorized before)
JK, 23.7.1996
Definition at line 2143 of file skyline.cpp.
References a, aci, adr, decompid, g, n, and print_err().
Referenced by gmatrix::condense(), seqschur::solve_system(), seqfeti::subdomain_matrices(), and feti1::subdomain_matrix().
double ldlkoncount_sky | ( | double * | b, | |
double * | c, | |||
double * | x, | |||
double * | y, | |||
long | m, | |||
long | tc | |||
) |
function eliminates internal unknowns function is used in the Schur complement method and the FETI-DP method internal unknowns must be at the beginning boundary unknowns must be at the end
b | - condensed matrix, it is stored as dense matrix | |
c | - condensed right hand side vector | |
x | - vector of solution | |
y | - right hand side vector | |
m | - number of boundary unknowns | |
tc | - computation indicator |
tc=1 - condensation of the matrix and the right hand side vector (forward reduction) only, if the matrix is factorized, only modification of the right hand side vector is performed tc=2 - back-substitution only (matrix has to be factorized), tc=3 - partial back substitution only (used in the FETI-DP method)
tc=4 - condensation of the right hand side vector only (matrix has been factorized before)
JK, 23.7.1996
Definition at line 2423 of file skyline.cpp.
void ldlmxv_sky | ( | double * | b, | |
double * | c | |||
) |
void localize | ( | matrix & | b, | |
long * | cn | |||
) |
function localizes local matrix b to the global matrix matrix b is stored as a dense matrix in row ordering b is object of class matrix
b | - array containing local matrix | |
cn | - array containing code numbers of finite element |
JK, 25.6.2001
Definition at line 295 of file skyline.cpp.
References a, adr, and matrix::m.
Referenced by gmatrix::localize().
void localized | ( | double * | b, | |
long * | cn, | |||
long | m | |||
) |
function localizes local matrix b to the global matrix matrix b is stored as a dense matrix in row ordering b is double array pointer
b | - array containing local matrix | |
cn | - array containing code numbers | |
m | - order of local matrix (number of rows or columns) |
JK, 25.6.2001
Definition at line 344 of file skyline.cpp.
Referenced by z2_smoothing::compute_ntn_sky(), and gmatrix::localized().
void ltv | ( | double * | b, | |
double * | c | |||
) |
function computes L b = c
b | - input vector | |
c | - output vector |
| 1 0 0 0 0 0 0 | | x 1 0 0 0 0 0 | A = | x x 1 0 0 0 0 | | x x x 1 0 0 0 | | x x x x 1 0 0 | | x x x x x 1 0 | | x x x x x x 1 |
JK
Definition at line 1910 of file skyline.cpp.
References a, adr, n, and nullv().
Referenced by ldlmxv_sky().
void mat_entries | ( | long * | cradr, | |
long * | ci, | |||
double * | cra | |||
) |
function assembles array of matrix entries
cradr | - addresses in compressed row format | |
ci | - column indices in compressed row format | |
cra | - matrix entries stored in the compressed row format |
JK, 8.5.2007
Definition at line 545 of file skyline.cpp.
Referenced by assemble_from_cr().
void mat_entries_scr | ( | long * | scradr, | |
long * | scrci, | |||
double * | scra, | |||
long * | se | |||
) |
void mult_localize | ( | long | nm, | |
long * | ncn1, | |||
long * | ncn2, | |||
long * | mcn | |||
) |
function localizes contributions from Lagrange multipliers to the skyline storage
nm | - number of Lagrange multipliers | |
ncn1 | - nodal code numbers of the first node (on one side of interface) | |
ncn2 | - nodal code numbers of the second node (on the other side of interface) | |
mcn | - code numbers of Lagrange multipliers defined between the previous nodes |
JK, 8.8.2008
Definition at line 416 of file skyline.cpp.
Referenced by gmatrix::mult_localize().
void mxv_sky | ( | double * | b, | |
double * | c | |||
) |
funkce resi soustavu linearnich algebraickych rovnic reseni se provadi rozkladem LDL matice soustavy je ulozena ve skylinu
a - matice soustavy x - vektor reseni y - vektor prave strany adr - pole adres diagonalnich prvku n - pocet neznamych tc - typ vypoctu tc=1 - provede se eliminace i zpetny chod tc=2 - provede se pouze eliminace tc=3 - provede se pouze zpetny chod
10.7.1996 funkce je totozna s procedurou ve fortranu, ktera je stejne rychla jako colsol od Batheho funkce byla testovana s vysledky od Batheho ldl ve fortranu stare ldl v c function multiplies matrix in skyline storage by vector b
b | - array containing vector b | |
c | - array containing resulting vector A.b |
JK, 21.10.2001
Definition at line 1844 of file skyline.cpp.
References a, aci, adr, g, and n.
Referenced by feti1::lumpedprec(), and seqfeti::lumpedprec().
void napln_a | ( | long | i1, | |
long | i2, | |||
long | band, | |||
double * | pole, | |||
double * | a, | |||
long * | adr | |||
) |
Definition at line 1488 of file skyline.cpp.
Referenced by blokove2().
void napln_b | ( | long | i1, | |
long | i2, | |||
long | band, | |||
double * | pole, | |||
double * | b, | |||
long * | adr | |||
) |
Definition at line 1521 of file skyline.cpp.
Referenced by blokove2().
void neglobmat | ( | ) |
function determines number of entries in the skyline which is equal to the size of the array containing the global matrix
JK, 21.6.2001
Definition at line 264 of file skyline.cpp.
Referenced by z2_smoothing::alloc_ntn(), assemble_from_cr(), assemble_from_scr(), initiate(), and locmatrix::lmxmxlmt01().
void nullsky | ( | ) |
function fills skyline array by zeros
JK, 25.1.2002
Definition at line 442 of file skyline.cpp.
Referenced by initiate().
void printdiag | ( | FILE * | out | ) |
function prints diagonal components of the matrix
out | - output stream |
JK
Definition at line 2715 of file skyline.cpp.
Referenced by gmatrix::printdiag().
void printmat | ( | FILE * | out | ) |
function prints matrix into output file
out | - output stream |
JK
Definition at line 2623 of file skyline.cpp.
References a, adr, n, and negm.
Referenced by gmatrix::printmat().
void scalmat_sky | ( | double | c | ) |
function multiplies skyline by c
c | - multiplicative coefficient |
JK
Definition at line 1968 of file skyline.cpp.
void select_submatrix | ( | skyline * | smsky, | |
long | nsdof, | |||
long * | sdof, | |||
FILE * | out | |||
) |
Definition at line 2804 of file skyline.cpp.
References a, adr, n, and negm.
Referenced by feti1::subdomain_matrix().
void setfact | ( | ) |
void setnotfact | ( | ) |
set up indicator to not factorized
Definition at line 68 of file skyline.cpp.
References decompid.
Referenced by gmatrix::prepmat().
double * status | ( | ) |
function returns status of array a
JK
Definition at line 93 of file skyline.cpp.
References a.
Referenced by initiate().
void uloz_a | ( | long | i1, | |
long | i2, | |||
long | band, | |||
double * | pole, | |||
double * | a, | |||
long * | adr | |||
) |
Definition at line 1505 of file skyline.cpp.
Referenced by blokove2().
void uloz_b | ( | long | i1, | |
long | i2, | |||
long | band, | |||
double * | pole, | |||
double * | b, | |||
long * | adr | |||
) |
Definition at line 1538 of file skyline.cpp.
Referenced by blokove2().
void utv | ( | double * | b, | |
double * | c | |||
) |
function computes L^T b = c
b | - input vector | |
c | - output vector |
| 1 x x x x x x | | 0 1 x x x x x | | 0 0 1 x x x x | A = | 0 0 0 1 x x x | | 0 0 0 0 1 x x | | 0 0 0 0 0 1 x | | 0 0 0 0 0 0 1 |
JK
Definition at line 1877 of file skyline.cpp.
References a, adr, n, and nullv().
Referenced by ldlmxv_sky().
double* a |
stored matrix
Definition at line 118 of file skyline.h.
Referenced by add_entry(), addmat_sky(), allocglomat(), blokove2(), copy_sky(), diag_check(), diag_scale(), give_entry(), glocalize(), ker(), ldl_a12block(), ldl_feti_sky(), ldl_sky(), ldl_sky3(), ldlkon_sky(), ldlmxv_sky(), locmatrix::lmxmxlmt01(), localize(), localized(), ltv(), mat_entries(), mat_entries_scr(), mult_localize(), mxv_sky(), nullsky(), printdiag(), printmat(), scalmat_sky(), select_submatrix(), skyline(), status(), feti1::subdomain_matrix(), utv(), and ~skyline().
long* adr |
addresses of diagonal entries
Definition at line 116 of file skyline.h.
Referenced by add_entry(), addresses(), allocadr(), column_lengths_cr(), column_lengths_elem(), column_lengths_mult(), column_lengths_scr(), copy_sky(), diag_check(), diag_scale(), give_entry(), glocalize(), ker(), ldl_a12block(), ldl_feti_sky(), ldl_sky(), ldl_sky3(), ldlkon_sky(), ldlkoncount_sky(), ldlmxv_sky(), locmatrix::lmxmxlmt01(), localize(), localized(), ltv(), mat_entries(), mat_entries_scr(), mult_localize(), mxv_sky(), neglobmat(), printdiag(), printmat(), select_submatrix(), skyline(), feti1::subdomain_matrix(), utv(), and ~skyline().
long decompid |
decomposition (factorization) indicator decompid=0 - matrix is not decomposed (factorized) decompid=1 - matrix is decomposed (factorized)
Definition at line 123 of file skyline.h.
Referenced by changedecomp(), decomp(), ker(), ldl_sky(), ldlkon_sky(), ldlkoncount_sky(), setfact(), setnotfact(), and skyline().
long n |
number of rows of the matrix
Definition at line 112 of file skyline.h.
Referenced by addresses(), allocadr(), assemble_from_cr(), assemble_from_scr(), column_lengths_cr(), column_lengths_scr(), copy_sky(), diag_check(), diag_scale(), ker(), ldl_a12block(), ldl_feti_sky(), ldl_sky(), ldl_sky3(), ldlkon_sky(), ldlkoncount_sky(), ldlmxv_sky(), ltv(), mat_entries(), mat_entries_scr(), mxv_sky(), neglobmat(), printdiag(), printmat(), select_submatrix(), skyline(), seqschur::subdomain_matrices(), feti1::subdomain_matrix(), and utv().
long negm |
number of entries in the skyline, it is equal to the size of the array a
Definition at line 114 of file skyline.h.
Referenced by addmat_sky(), z2_smoothing::alloc_ntn(), allocglomat(), assemble_from_cr(), assemble_from_scr(), copy_sky(), give_negm(), initiate(), aggregator::local_matrices(), neglobmat(), nullsky(), printmat(), scalmat_sky(), select_submatrix(), skyline(), and feti1::subdomain_matrix().