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tree_amg::tamg_hierarchy_t Type Reference
Type for a TreeAMG hierarchy. More...
Collaboration diagram for tree_amg::tamg_hierarchy_t:
Public Member Functions | |
| procedure, pass(this) | init (this, ax, xh, coef, msh, gs_h, nlvls, blst) |
| Initialization of TreeAMG hierarchy. | |
| procedure, pass(this) | matvec (this, vec_out, vec_in, lvl_out) |
| Wrapper for matrix vector product using the TreeAMG hierarchy structure b=Ax done as vec_out = A * vec_in. | |
| procedure, pass(this) | matvec_impl (this, vec_out, vec_in, lvl, lvl_out) |
| Matrix vector product using the TreeAMG hierarchy structure b=Ax done as vec_out = A * vec_in This is done on a level by level basis. | |
| procedure, pass(this) | interp_f2c (this, vec_out, vec_in, lvl) |
| Restriction operator for TreeAMG. vec_out = R * vec_in. | |
| procedure, pass(this) | interp_c2f (this, vec_out, vec_in, lvl) |
| Prolongation operator for TreeAMG. vec_out = P * vec_in. | |
| procedure, pass(this) | interp_f2c_d (this, vec_out_d, vec_in_d, lvl) |
| procedure, pass(this) | interp_c2f_d (this, vec_out_d, vec_in_d, lvl, vec_out) |
| procedure, pass(this) | device_matvec (this, vec_out, vec_in, vec_out_d, vec_in_d, lvl_out) |
Public Attributes | |
| integer | nlvls |
| Number of AMG levels in the hierarchy. | |
| type(tamg_lvl_t), dimension(:), allocatable | lvl |
| Levels of the hierarchy. | |
| class(ax_t), pointer | ax |
| Things needed to do finest level matvec. | |
| type(mesh_t), pointer | msh |
| type(space_t), pointer | xh |
| type(coef_t), pointer | coef |
| type(gs_t), pointer | gs_h |
| type(bc_list_t), pointer | blst |
Detailed Description
Definition at line 94 of file tree_amg.f90.
Member Function/Subroutine Documentation
◆ device_matvec()
◆ init()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::init | ( | class(tamg_hierarchy_t), intent(inout), target | this, |
| class(ax_t), intent(in), target | ax, | ||
| type(space_t), intent(in), target | xh, | ||
| type(coef_t), intent(in), target | coef, | ||
| type(mesh_t), intent(in), target | msh, | ||
| type(gs_t), intent(in), target | gs_h, | ||
| integer, intent(in) | nlvls, | ||
| type(bc_list_t), intent(in), target | blst | ||
| ) |
- Parameters
-
ax Finest level matvec operator Xh Finest level field coef Finest level coeff thing msh Finest level mesh information gs_h Finest level gather scatter operator nlvls Number of levels for the TreeAMG hierarchy blst Finest level BC list
Definition at line 109 of file tree_amg.f90.
◆ interp_c2f()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::interp_c2f | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| real(kind=rp), dimension(:), intent(inout) | vec_out, | ||
| real(kind=rp), dimension(:), intent(inout) | vec_in, | ||
| integer, intent(in) | lvl | ||
| ) |
- Parameters
-
vec_out The vector to be returned. On level lvl vec_in The vector pased into operator. On level lvl-1 lvl The target level of the returned vector after prolongation (wrt tree traversal)
Definition at line 113 of file tree_amg.f90.
◆ interp_c2f_d()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::interp_c2f_d | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| type(c_ptr) | vec_out_d, | ||
| type(c_ptr) | vec_in_d, | ||
| integer, intent(in) | lvl, | ||
| real(kind=rp), dimension(:), intent(inout) | vec_out | ||
| ) |
Definition at line 115 of file tree_amg.f90.
◆ interp_f2c()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::interp_f2c | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| real(kind=rp), dimension(:), intent(inout) | vec_out, | ||
| real(kind=rp), dimension(:), intent(inout) | vec_in, | ||
| integer, intent(in) | lvl | ||
| ) |
- Parameters
-
vec_out The vector to be returned. On level lvl vec_in The vector pased into operator. On level lvl-1 lvl The target level of the returned vector after restrction (wrt tree traversal)
Definition at line 112 of file tree_amg.f90.
◆ interp_f2c_d()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::interp_f2c_d | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| type(c_ptr) | vec_out_d, | ||
| type(c_ptr) | vec_in_d, | ||
| integer, intent(in) | lvl | ||
| ) |
Definition at line 114 of file tree_amg.f90.
◆ matvec()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::matvec | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| real(kind=rp), dimension(:), intent(inout) | vec_out, | ||
| real(kind=rp), dimension(:), intent(inout) | vec_in, | ||
| integer, intent(in) | lvl_out | ||
| ) |
- Parameters
-
vec_out Result of Ax vec_in Vector to be multiplied by linear system. A * vec_in lvl_out Level of the TreeAMG hierarchy on which the matvec is done. This also specifies the hieararchy level of the incoming vector
Definition at line 110 of file tree_amg.f90.
◆ matvec_impl()
| procedure, pass(this) tree_amg::tamg_hierarchy_t::matvec_impl | ( | class(tamg_hierarchy_t), intent(inout) | this, |
| real(kind=rp), dimension(:), intent(inout) | vec_out, | ||
| real(kind=rp), dimension(:), intent(inout) | vec_in, | ||
| integer, intent(in) | lvl, | ||
| integer, intent(in) | lvl_out | ||
| ) |
- Parameters
-
vec_out The vector to be returned by level lvl vec_in The vector pased to level lvl lvl The current level of the matvec (wrt tree traversal) lvl_out Level of the TreeAMG hierarchy on which the matvec is output.
Definition at line 111 of file tree_amg.f90.
Member Data Documentation
◆ ax
Definition at line 101 of file tree_amg.f90.
◆ blst
Definition at line 106 of file tree_amg.f90.
◆ coef
Definition at line 104 of file tree_amg.f90.
◆ gs_h
Definition at line 105 of file tree_amg.f90.
◆ lvl
| type(tamg_lvl_t), dimension(:), allocatable tree_amg::tamg_hierarchy_t::lvl |
Definition at line 98 of file tree_amg.f90.
◆ msh
Definition at line 102 of file tree_amg.f90.
◆ nlvls
| integer tree_amg::tamg_hierarchy_t::nlvls |
Definition at line 96 of file tree_amg.f90.
◆ xh
Definition at line 103 of file tree_amg.f90.
The documentation for this type was generated from the following file:
- /home/runner/work/neko/neko/src/multigrid/tree_amg.f90
