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119 lines
4.4 KiB
Fortran
119 lines
4.4 KiB
Fortran
subroutine dspmm(a,b,c,info, impl_choice)
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! TODO :
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! * Split the C function into two subroutines:
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! - Memory estimation
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! - Actual computation
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! * Call estimation function
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! * Allocate c matrix arrays
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! * pass the arrays as c pointers to the computation routine
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use psb_d_mat_mod
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use iso_c_binding
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implicit none
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type(psb_d_csr_sparse_mat), intent(in), target :: a,b
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type(psb_d_csr_sparse_mat), intent(inout), target :: c
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integer(psb_ipk_), intent(out) :: info
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integer(psb_ipk_), intent(in) :: impl_choice
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! Internal variables
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integer(c_size_t) :: a_m,a_n,a_nz
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type(c_ptr) :: a_as,a_ja,a_irp
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integer(c_size_t) :: a_max_row_nz
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integer(c_size_t) :: b_m,b_n,b_nz
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type(c_ptr) :: b_as,b_ja,b_irp
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integer(c_size_t) :: b_max_row_nz
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integer(c_int) :: impl_choice_
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type(c_ptr) :: accumul, rows_sizes, tmp_matrix
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integer(c_size_t) :: nnz
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type(c_ptr) :: c_as,c_ja,c_irp
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interface spmm_build_spacc
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subroutine psb_f_spmm_build_spacc(c_a_m,c_a_n,c_a_nz,&
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c_a_as,c_a_ja,c_a_irp,&
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c_a_max_row_nz,&
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c_b_m,c_b_n,c_b_nz,&
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c_b_as,c_b_ja,c_b_irp,&
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c_b_max_row_nz,&
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c_impl_choice,&
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c_accumul,&
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c_rows_sizes,&
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c_tmp_matrix,&
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c_info,&
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c_nnz) bind(C)
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use iso_c_binding
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use psb_base_mod
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integer(c_size_t), intent(in), value :: c_a_m,c_a_n,c_a_nz
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type(c_ptr), intent(in) :: c_a_as,c_a_ja,c_a_irp
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integer(c_size_t), intent(in), value :: c_a_max_row_nz
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integer(c_size_t), intent(in), value :: c_b_m,c_b_n,c_b_nz
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type(c_ptr), intent(in) :: c_b_as,c_b_ja,c_b_irp
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integer(c_size_t), intent(in), value :: c_b_max_row_nz
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integer(c_int), intent(in), value :: c_impl_choice
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type(c_ptr), intent(out) :: c_accumul,c_rows_sizes,c_tmp_matrix
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integer(psb_ipk_), intent(out) :: c_info
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integer(c_size_t), intent(out) :: c_nnz
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end subroutine psb_f_spmm_build_spacc
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end interface spmm_build_spacc
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interface spmm_row_by_row_populate
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subroutine psb_f_spmm_merge_spacc(c_accumul,&
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c_rows_sizes,&
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c_tmp_matrix,&
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c_impl_choice,&
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as,ja,irp,&
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c_info) bind(C)
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use iso_c_binding
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use psb_base_mod
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type(c_ptr), intent(in) :: c_accumul,c_rows_sizes,c_tmp_matrix
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integer(c_int), intent(in), value :: c_impl_choice
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integer(psb_ipk_), intent(out) :: c_info
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type(c_ptr), intent(out) :: as,ja,irp
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end subroutine psb_f_spmm_merge_spacc
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end interface spmm_row_by_row_populate
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! Initializing internal variables
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a_m = a%get_nrows()
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a_n = a%get_ncols()
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a_nz = a%get_nzeros()
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a_as = c_loc(a%val)
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a_ja = c_loc(a%ja)
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a_irp = c_loc(a%irp)
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! ! a_max_row_nz
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b_m = b%get_nrows()
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b_n = b%get_ncols()
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b_nz = b%get_nzeros()
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b_as = c_loc(b%val)
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b_ja = c_loc(b%ja)
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b_irp = c_loc(b%irp)
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! call calculateSize
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call psb_f_spmm_build_spacc(a_m,a_n,a_nz,a_as,&
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a_ja,a_irp,a_max_row_nz,&
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b_m,b_n,b_nz,b_as,b_ja,&
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b_irp,b_max_row_nz,&
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impl_choice_,accumul,&
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rows_sizes,tmp_matrix,&
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info,nnz)
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! allocate c%val, c%ja and c%irp
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allocate(c%val(nnz))
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allocate(c%ja(nnz))
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allocate(c%irp(a_m + 1))
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c_as = c_loc(c%val)
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c_ja = c_loc(c%ja)
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c_irp = c_loc(c%irp)
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! c%set_nrows(a_m)
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! c%set_ncols(b_n)
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! call spmmRowByRowPopulate
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call psb_f_spmm_merge_spacc(accumul,&
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rows_sizes,&
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tmp_matrix,&
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impl_choice_,&
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c_as,&
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c_ja,&
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c_irp,&
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info)
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end subroutine dspmm |