QR solver class (Dense, GPU only now). can use set_tol(), get_tol(), set_reorder(), get_singularity(). More...
#include <monolish_equation.hpp>
Inheritance diagram for monolish::equation::QR< MATRIX, Float >:
Collaboration diagram for monolish::equation::QR< MATRIX, Float >:
Public Member Functions | |
| void | apply_precond (const vector< Float > &r, vector< Float > &z) |
| void | create_precond (MATRIX &A) |
| int | get_sigularity () |
| -1 if A is symmetric postive definite. default reorder algorithm is csrmetisnd More... | |
| std::string | name () const |
| get solver name "monolish::equation::QR" More... | |
| void | set_reorder (int r) |
| 0: no ordering 1: symrcm, 2: symamd, 3: csrmetisnd is used to reduce zero fill-in. More... | |
| int | solve (MATRIX &A, vector< Float > &x, vector< Float > &b) |
| solve Ax=b More... | |
 Public Member Functions inherited from monolish::solver::solver< MATRIX, Float > | |
| initvec_scheme | get_initvec_scheme () const |
| get handling scheme of initial vector handling More... | |
| int | get_lib () const |
| get library option More... | |
| size_t | get_maxiter () const |
| get maxiter More... | |
| size_t | get_miniter () const |
| get miniter More... | |
| bool | get_print_rhistory () const |
| get print rhistory status More... | |
| size_t | get_residual_method () const |
| get residual method(default=0) More... | |
| double | get_tol () const |
| get tolerance More... | |
| template<class PRECOND > | |
| void | set_apply_precond (PRECOND &p) |
| set precondition apply fucntion More... | |
| template<class PRECOND > | |
| void | set_create_precond (PRECOND &p) |
| set precondition create fucntion More... | |
| void | set_initvec_scheme (initvec_scheme scheme) |
| set how to handle initial vector More... | |
| void | set_lib (int l) |
| set library option (to change library, monolish, cusolver, etc.) More... | |
| void | set_maxiter (size_t max) |
| set max iter. (default = SIZE_MAX) More... | |
| void | set_miniter (size_t min) |
| set min iter. (default = 0) More... | |
| void | set_print_rhistory (bool flag) |
| print rhistory to standart out true/false. (default = false) More... | |
| void | set_residual_method (size_t r) |
| set residual method (default=0) More... | |
| void | set_rhistory_filename (std::string file) |
| rhistory filename More... | |
| void | set_tol (double t) |
| set tolerance (default:1.0e-8) More... | |
| solver () | |
| create solver class More... | |
| ~solver () | |
| delete solver class More... | |
Private Member Functions | |
| int | cusolver_QR (MATRIX &A, vector< double > &x, vector< double > &b) |
| int | cusolver_QR (MATRIX &A, vector< float > &x, vector< float > &b) |
| int | cusolver_QR (matrix::CRS< double > &A, vector< double > &x, vector< double > &b) |
| int | cusolver_QR (matrix::CRS< float > &A, vector< float > &x, vector< float > &b) |
Private Attributes | |
| int | lib = 1 |
| int | reorder = 3 |
| int | singularity |
Additional Inherited Members | |
| Protected Member Functions inherited from monolish::solver::solver< MATRIX, Float > | |
| Float | get_residual (vector< Float > &x) |
| Protected Attributes inherited from monolish::solver::solver< MATRIX, Float > | |
| initvec_scheme | initvecscheme = initvec_scheme::RANDOM |
| int | lib = 0 |
| size_t | maxiter = SIZE_MAX |
| size_t | miniter = 0 |
| precondition< MATRIX, Float > | precond |
| bool | print_rhistory = false |
| size_t | resid_method = 0 |
| std::string | rhistory_file |
| std::ostream * | rhistory_stream |
| double | tol = 1.0e-8 |
Detailed Description
template<typename MATRIX, typename Float>
class monolish::equation::QR< MATRIX, Float >
QR solver class (Dense, GPU only now). can use set_tol(), get_tol(), set_reorder(), get_singularity().
- Note
- attribute:
- solver : true
- preconditioner : false
-
input / archtecture
- Dense / Intel : false
- Dense / NVIDIA : false
- Dense / OSS : false
- Sparse / Intel : false
- Sparse / NVIDIA : true
- Sparse / OSS : false
Definition at line 248 of file monolish_equation.hpp.
Member Function Documentation
◆ apply_precond()
template<typename MATRIX , typename Float >
|
inline |
Definition at line 276 of file monolish_equation.hpp.
◆ create_precond()
template<typename MATRIX , typename Float >
|
inline |
Definition at line 273 of file monolish_equation.hpp.
◆ cusolver_QR() [1/4]
template<typename MATRIX , typename Float >
|
private |
◆ cusolver_QR() [2/4]
template<typename MATRIX , typename Float >
|
private |
◆ cusolver_QR() [3/4]
|
private |
◆ cusolver_QR() [4/4]
|
private |
◆ get_sigularity()
template<typename MATRIX , typename Float >
|
inline |
-1 if A is symmetric postive definite. default reorder algorithm is csrmetisnd
Definition at line 267 of file monolish_equation.hpp.
◆ name()
template<typename MATRIX , typename Float >
|
inline |
get solver name "monolish::equation::QR"
- Note
- # of computation: 1
- Multi-threading: false
- GPU acceleration: false
Definition at line 287 of file monolish_equation.hpp.
◆ set_reorder()
template<typename MATRIX , typename Float >
|
inline |
0: no ordering 1: symrcm, 2: symamd, 3: csrmetisnd is used to reduce zero fill-in.
Definition at line 261 of file monolish_equation.hpp.
◆ solve()
template<typename MATRIX , typename Float >
| template int monolish::equation::QR< MATRIX, Float >::solve | ( | MATRIX & | A, |
| vector< Float > & | x, | ||
| vector< Float > & | b | ||
| ) |
Member Data Documentation
◆ lib
template<typename MATRIX , typename Float >
|
private |
Definition at line 250 of file monolish_equation.hpp.
◆ reorder
template<typename MATRIX , typename Float >
|
private |
Definition at line 254 of file monolish_equation.hpp.
◆ singularity
template<typename MATRIX , typename Float >
|
private |
Definition at line 253 of file monolish_equation.hpp.
The documentation for this class was generated from the following files:
