From ac521deb6b8b780c61874cf4569139d92d4fbf08 Mon Sep 17 00:00:00 2001 From: Salvatore Filippone Date: Fri, 23 Sep 2016 15:17:42 +0000 Subject: [PATCH] --- mlprec/mld_d_base_aggregator.f90 | 117 +++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 mlprec/mld_d_base_aggregator.f90 diff --git a/mlprec/mld_d_base_aggregator.f90 b/mlprec/mld_d_base_aggregator.f90 new file mode 100644 index 00000000..83573fcb --- /dev/null +++ b/mlprec/mld_d_base_aggregator.f90 @@ -0,0 +1,117 @@ +!!$ +!!$ +!!$ MLD2P4 version 2.0 +!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package +!!$ based on PSBLAS (Parallel Sparse BLAS version 3.3) +!!$ +!!$ (C) Copyright 2008, 2010, 2012, 2015 +!!$ +!!$ Salvatore Filippone University of Rome Tor Vergata +!!$ Alfredo Buttari CNRS-IRIT, Toulouse +!!$ Pasqua D'Ambra ICAR-CNR, Naples +!!$ Daniela di Serafino Second University of Naples +!!$ +!!$ Redistribution and use in source and binary forms, with or without +!!$ modification, are permitted provided that the following conditions +!!$ are met: +!!$ 1. Redistributions of source code must retain the above copyright +!!$ notice, this list of conditions and the following disclaimer. +!!$ 2. Redistributions in binary form must reproduce the above copyright +!!$ notice, this list of conditions, and the following disclaimer in the +!!$ documentation and/or other materials provided with the distribution. +!!$ 3. The name of the MLD2P4 group or the names of its contributors may +!!$ not be used to endorse or promote products derived from this +!!$ software without specific written permission. +!!$ +!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE MLD2P4 GROUP OR ITS CONTRIBUTORS +!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +!!$ POSSIBILITY OF SUCH DAMAGE. +!!$ +!!$ +! +module mld_d_base_aggregator_mod + + use mld_base_prec_type + use psb_base_mod, only : psb_dspmat_type, psb_d_vect_type, & + & psb_d_base_vect_type, psb_dlinmap_type, psb_dpk_, & + & psb_ipk_, psb_long_int_k_, psb_desc_type, psb_i_base_vect_type, & + & psb_erractionsave, psb_error_handler + ! + ! sm - class(mld_T_base_smoother_type), allocatable + ! The current level preconditioner (aka smoother). + ! parms - type(mld_RTml_parms) + ! The parameters defining the multilevel strategy. + ! ac - The local part of the current-level matrix, built by + ! coarsening the previous-level matrix. + ! desc_ac - type(psb_desc_type). + ! The communication descriptor associated to the matrix + ! stored in ac. + ! base_a - type(psb_Tspmat_type), pointer. + ! Pointer (really a pointer!) to the local part of the current + ! matrix (so we have a unified treatment of residuals). + ! We need this to avoid passing explicitly the current matrix + ! to the routine which applies the preconditioner. + ! base_desc - type(psb_desc_type), pointer. + ! Pointer to the communication descriptor associated to the + ! matrix pointed by base_a. + ! map - Stores the maps (restriction and prolongation) between the + ! vector spaces associated to the index spaces of the previous + ! and current levels. + ! + ! Methods: + ! Most methods follow the encapsulation hierarchy: they take whatever action + ! is appropriate for the current object, then call the corresponding method for + ! the contained object. + ! As an example: the descr() method prints out a description of the + ! level. It starts by invoking the descr() method of the parms object, + ! then calls the descr() method of the smoother object. + ! + ! descr - Prints a description of the object. + ! default - Set default values + ! dump - Dump to file object contents + ! set - Sets various parameters; when a request is unknown + ! it is passed to the smoother object for further processing. + ! check - Sanity checks. + ! sizeof - Total memory occupation in bytes + ! get_nzeros - Number of nonzeros + ! + ! + type mld_d_base_aggregator_type + type(mld_dml_parms) :: parms + contains + procedure, pass(ag) :: bld => mld_d_base_aggregation_build + end type mld_d_onelev_type + + + private :: d_base_onelev_default, d_base_onelev_sizeof, & + & d_base_onelev_nullify, d_base_onelev_get_nzeros, & + & d_base_onelev_clone, d_base_onelev_move_alloc + + + + interface + subroutine mld_d_base_aggregation_build(ag,info,amold,vmold,imold) + import :: psb_d_base_sparse_mat, psb_d_base_vect_type, & + & psb_i_base_vect_type, psb_dpk_, mld_d_onelev_type, & + & psb_ipk_, psb_long_int_k_, psb_desc_type + implicit none + class(mld_d_onelev_type), target, intent(inout) :: lv + integer(psb_ipk_), intent(out) :: info + class(psb_d_base_sparse_mat), intent(in), optional :: amold + class(psb_d_base_vect_type), intent(in), optional :: vmold + class(psb_i_base_vect_type), intent(in), optional :: imold + end subroutine mld_d_base_aggregation_build + end interface + + +contains + +end module mld_d_base_aggregator_mod