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237 lines
7.8 KiB
Fortran
237 lines
7.8 KiB
Fortran
!!$
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!!$ Parallel Sparse BLAS version 2.2
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!!$ (C) Copyright 2006/2007/2008
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari University of Rome Tor Vergata
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!!$
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!!$ Redistribution and use in source and binary forms, with or without
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!!$ modification, are permitted provided that the following conditions
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!!$ are met:
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!!$ 1. Redistributions of source code must retain the above copyright
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!!$ notice, this list of conditions and the following disclaimer.
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!!$ 2. Redistributions in binary form must reproduce the above copyright
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!!$ notice, this list of conditions, and the following disclaimer in the
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!!$ documentation and/or other materials provided with the distribution.
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!!$ 3. The name of the PSBLAS group or the names of its contributors may
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!!$ not be used to endorse or promote products derived from this
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!!$ software without specific written permission.
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!!$
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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!
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!
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! package: psb_linmap_mod
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! Defines facilities for mapping between vectors belonging
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! to different spaces.
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!
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module psb_s_linmap_mod
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use psb_const_mod
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use psb_linmap_type_mod
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interface psb_map_X2Y
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subroutine psb_s_map_X2Y(alpha,x,beta,y,map,info,work)
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use psb_linmap_type_mod
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer, intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_X2Y
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end interface
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interface psb_map_Y2X
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subroutine psb_s_map_Y2X(alpha,x,beta,y,map,info,work)
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use psb_linmap_type_mod
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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real(psb_spk_), intent(in) :: alpha,beta
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real(psb_spk_), intent(inout) :: x(:)
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real(psb_spk_), intent(out) :: y(:)
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integer, intent(out) :: info
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real(psb_spk_), optional :: work(:)
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end subroutine psb_s_map_Y2X
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end interface
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interface psb_is_ok_map
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module procedure psb_is_ok_slinmap
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end interface
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interface psb_get_map_kind
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module procedure psb_get_smap_kind
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end interface
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interface psb_set_map_kind
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module procedure psb_set_smap_kind
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end interface
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interface psb_is_asb_map
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module procedure psb_is_asb_slinmap
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end interface
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interface psb_linmap_sub
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module procedure psb_s_linmap_sub
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end interface
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interface psb_move_alloc
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module procedure psb_slinmap_transfer
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end interface
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interface psb_linmap
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function psb_s_linmap(map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr)
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use psb_linmap_type_mod
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implicit none
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type(psb_slinmap_type) :: psb_s_linmap
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_s_sparse_mat), intent(in) :: map_X2Y, map_Y2X
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integer, intent(in) :: map_kind
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integer, intent(in), optional :: iaggr(:), naggr(:)
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end function psb_s_linmap
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end interface
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interface psb_sizeof
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module procedure psb_slinmap_sizeof
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end interface
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contains
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function psb_get_smap_kind(map)
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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Integer :: psb_get_smap_kind
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if (allocated(map%itd_data)) then
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psb_get_smap_kind = map%itd_data(psb_map_kind_)
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else
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psb_get_smap_kind = -1
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end if
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end function psb_get_smap_kind
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subroutine psb_set_smap_kind(map_kind,map)
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implicit none
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integer, intent(in) :: map_kind
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type(psb_slinmap_type), intent(inout) :: map
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map%itd_data(psb_map_kind_) = map_kind
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end subroutine psb_set_smap_kind
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function psb_is_asb_slinmap(map) result(this)
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use psb_descriptor_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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logical :: this
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this = .false.
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if (.not.allocated(map%itd_data)) return
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select case(psb_get_map_kind(map))
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case (psb_map_aggr_)
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if (.not.associated(map%p_desc_X)) return
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if (.not.associated(map%p_desc_Y)) return
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this = &
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& psb_is_asb_desc(map%p_desc_X).and.psb_is_asb_desc(map%p_desc_Y)
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case(psb_map_gen_linear_)
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this = &
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& psb_is_asb_desc(map%desc_X).and.psb_is_asb_desc(map%desc_Y)
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end select
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end function psb_is_asb_slinmap
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function psb_is_ok_slinmap(map) result(this)
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use psb_descriptor_type
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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logical :: this
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this = .false.
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if (.not.allocated(map%itd_data)) return
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select case(psb_get_map_kind(map))
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case (psb_map_aggr_)
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if (.not.associated(map%p_desc_X)) return
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if (.not.associated(map%p_desc_Y)) return
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this = &
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& psb_is_ok_desc(map%p_desc_X).and.psb_is_ok_desc(map%p_desc_Y)
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case(psb_map_gen_linear_)
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this = &
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& psb_is_ok_desc(map%desc_X).and.psb_is_ok_desc(map%desc_Y)
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end select
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end function psb_is_ok_slinmap
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function psb_slinmap_sizeof(map) result(val)
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use psb_descriptor_type
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use psb_mat_mod, only : psb_sizeof
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implicit none
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type(psb_slinmap_type), intent(in) :: map
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integer(psb_long_int_k_) :: val
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val = 0
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if (allocated(map%itd_data)) &
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& val = val + psb_sizeof_int*size(map%itd_data)
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if (allocated(map%iaggr)) &
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& val = val + psb_sizeof_int*size(map%iaggr)
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if (allocated(map%naggr)) &
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& val = val + psb_sizeof_int*size(map%naggr)
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val = val + psb_sizeof(map%desc_X)
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val = val + psb_sizeof(map%desc_Y)
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val = val + psb_sizeof(map%map_X2Y)
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val = val + psb_sizeof(map%map_Y2X)
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end function psb_slinmap_sizeof
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subroutine psb_s_linmap_sub(out_map,map_kind,desc_X, desc_Y, map_X2Y, map_Y2X,iaggr,naggr)
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use psb_linmap_type_mod
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implicit none
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type(psb_slinmap_type), intent(out) :: out_map
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type(psb_desc_type), target :: desc_X, desc_Y
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type(psb_s_sparse_mat), intent(in) :: map_X2Y, map_Y2X
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integer, intent(in) :: map_kind
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integer, intent(in), optional :: iaggr(:), naggr(:)
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out_map = psb_linmap(map_kind,desc_X,desc_Y,map_X2Y,map_Y2X,iaggr,naggr)
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end subroutine psb_s_linmap_sub
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subroutine psb_slinmap_transfer(mapin,mapout,info)
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use psb_realloc_mod
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use psb_descriptor_type
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use psb_mat_mod, only : psb_move_alloc
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implicit none
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type(psb_slinmap_type) :: mapin,mapout
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integer, intent(out) :: info
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call psb_move_alloc(mapin%itd_data,mapout%itd_data,info)
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call psb_move_alloc(mapin%iaggr,mapout%iaggr,info)
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call psb_move_alloc(mapin%naggr,mapout%naggr,info)
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mapout%p_desc_X => mapin%p_desc_X
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mapin%p_desc_X => null()
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mapout%p_desc_Y => mapin%p_desc_Y
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mapin%p_desc_Y => null()
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call psb_move_alloc(mapin%desc_X,mapout%desc_X,info)
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call psb_move_alloc(mapin%desc_Y,mapout%desc_Y,info)
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call psb_move_alloc(mapin%map_X2Y,mapout%map_X2Y,info)
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call psb_move_alloc(mapin%map_Y2X,mapout%map_Y2X,info)
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end subroutine psb_slinmap_transfer
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end module psb_s_linmap_mod
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