sfilippone
1 year ago
commit
d1bf46b0b1
@ -0,0 +1,128 @@
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!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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
|
||||
! are met:
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! 1. Redistributions of source code must retain the above copyright
|
||||
! 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
|
||||
! 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
|
||||
! 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
|
||||
! 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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! package: psb_c_rb_idx_tree_mod
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!
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! Red black tree implementation ordered by index
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!
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! Each node contains and index and a double precision value
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!
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! The tree should always be well balanced
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!
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! inserting a node with an existing index will
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! add up the new value to the old one
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! Contributed by Dimitri Walther
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!
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module psb_c_rb_idx_tree_mod
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use psb_const_mod
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implicit none
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type :: psb_c_rb_idx_node
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integer(psb_ipk_) :: idx
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complex(psb_spk_) :: val
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type(psb_c_rb_idx_node), pointer :: left, right, parent
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logical :: is_red
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end type psb_c_rb_idx_node
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type :: psb_c_rb_idx_tree
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type(psb_c_rb_idx_node), pointer :: root
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integer(psb_ipk_) :: nnz
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contains
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procedure :: insert => psb_c_rb_idx_tree_insert
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end type psb_c_rb_idx_tree
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interface psb_rb_idx_tree_insert
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subroutine psb_c_rb_idx_tree_insert(this, idx, val)
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import :: psb_ipk_, psb_spk_, psb_c_rb_idx_tree
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implicit none
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class(psb_c_rb_idx_tree), intent(inout) :: this
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integer(psb_ipk_), intent(in) :: idx
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complex(psb_spk_), intent(in) :: val
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end subroutine psb_c_rb_idx_tree_insert
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end interface psb_rb_idx_tree_insert
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interface psb_rb_idx_tree_scalar_sparse_row_mul
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subroutine psb_c_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
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use psb_c_csr_mat_mod, only : psb_c_csr_sparse_mat
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import :: psb_ipk_, psb_spk_, psb_c_rb_idx_tree
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implicit none
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type(psb_c_rb_idx_tree), intent(inout) :: tree
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complex(psb_spk_), intent(in) :: scalar
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type(psb_c_csr_sparse_mat), intent(in) :: mat
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integer(psb_ipk_), intent(in) :: row_num
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end subroutine psb_c_rb_idx_tree_scalar_sparse_row_mul
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end interface psb_rb_idx_tree_scalar_sparse_row_mul
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interface psb_rb_idx_tree_merge
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subroutine psb_c_rb_idx_tree_merge(trees, mat)
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use psb_c_csr_mat_mod, only : psb_c_csr_sparse_mat
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import :: psb_c_rb_idx_tree
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type(psb_c_rb_idx_tree), allocatable, intent(inout) :: trees(:)
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type(psb_c_csr_sparse_mat), intent(inout) :: mat
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end subroutine psb_c_rb_idx_tree_merge
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end interface psb_rb_idx_tree_merge
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interface psb_rb_idx_tree_fix_insertion
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subroutine psb_c_rb_idx_tree_fix_insertion(this, node)
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import :: psb_c_rb_idx_tree, psb_c_rb_idx_node
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implicit none
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class(psb_c_rb_idx_tree), intent(inout) :: this
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type(psb_c_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_c_rb_idx_tree_fix_insertion
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end interface psb_rb_idx_tree_fix_insertion
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interface psb_rb_idx_tree_swap_colors
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subroutine psb_c_rb_idx_tree_swap_colors(n1, n2)
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import :: psb_c_rb_idx_node
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implicit none
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type(psb_c_rb_idx_node), pointer, intent(inout) :: n1, n2
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end subroutine psb_c_rb_idx_tree_swap_colors
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end interface psb_rb_idx_tree_swap_colors
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interface psb_rb_idx_tree_rotate_right
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subroutine psb_c_rb_idx_tree_rotate_right(node)
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import :: psb_c_rb_idx_node
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implicit none
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type(psb_c_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_c_rb_idx_tree_rotate_right
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end interface psb_rb_idx_tree_rotate_right
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interface psb_rb_idx_tree_rotate_left
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subroutine psb_c_rb_idx_tree_rotate_left(node)
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import :: psb_c_rb_idx_node
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implicit none
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type(psb_c_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_c_rb_idx_tree_rotate_left
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end interface psb_rb_idx_tree_rotate_left
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end module psb_c_rb_idx_tree_mod
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@ -0,0 +1,128 @@
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!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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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
|
||||
! 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.
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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
|
||||
! software without specific written permission.
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!
|
||||
! 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 PSBLAS 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)
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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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! package: psb_d_rb_idx_tree_mod
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!
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! Red black tree implementation ordered by index
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!
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! Each node contains and index and a double precision value
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!
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! The tree should always be well balanced
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!
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! inserting a node with an existing index will
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! add up the new value to the old one
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! Contributed by Dimitri Walther
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!
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module psb_d_rb_idx_tree_mod
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use psb_const_mod
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implicit none
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type :: psb_d_rb_idx_node
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integer(psb_ipk_) :: idx
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real(psb_dpk_) :: val
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type(psb_d_rb_idx_node), pointer :: left, right, parent
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logical :: is_red
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end type psb_d_rb_idx_node
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type :: psb_d_rb_idx_tree
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type(psb_d_rb_idx_node), pointer :: root
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integer(psb_ipk_) :: nnz
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contains
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procedure :: insert => psb_d_rb_idx_tree_insert
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end type psb_d_rb_idx_tree
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interface psb_rb_idx_tree_insert
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subroutine psb_d_rb_idx_tree_insert(this, idx, val)
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import :: psb_ipk_, psb_dpk_, psb_d_rb_idx_tree
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implicit none
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class(psb_d_rb_idx_tree), intent(inout) :: this
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integer(psb_ipk_), intent(in) :: idx
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real(psb_dpk_), intent(in) :: val
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end subroutine psb_d_rb_idx_tree_insert
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end interface psb_rb_idx_tree_insert
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interface psb_rb_idx_tree_scalar_sparse_row_mul
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subroutine psb_d_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
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use psb_d_csr_mat_mod, only : psb_d_csr_sparse_mat
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import :: psb_ipk_, psb_dpk_, psb_d_rb_idx_tree
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implicit none
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type(psb_d_rb_idx_tree), intent(inout) :: tree
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real(psb_dpk_), intent(in) :: scalar
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type(psb_d_csr_sparse_mat), intent(in) :: mat
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integer(psb_ipk_), intent(in) :: row_num
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end subroutine psb_d_rb_idx_tree_scalar_sparse_row_mul
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end interface psb_rb_idx_tree_scalar_sparse_row_mul
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interface psb_rb_idx_tree_merge
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subroutine psb_d_rb_idx_tree_merge(trees, mat)
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use psb_d_csr_mat_mod, only : psb_d_csr_sparse_mat
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import :: psb_d_rb_idx_tree
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type(psb_d_rb_idx_tree), allocatable, intent(inout) :: trees(:)
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type(psb_d_csr_sparse_mat), intent(inout) :: mat
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end subroutine psb_d_rb_idx_tree_merge
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end interface psb_rb_idx_tree_merge
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interface psb_rb_idx_tree_fix_insertion
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subroutine psb_d_rb_idx_tree_fix_insertion(this, node)
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import :: psb_d_rb_idx_tree, psb_d_rb_idx_node
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implicit none
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class(psb_d_rb_idx_tree), intent(inout) :: this
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type(psb_d_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_d_rb_idx_tree_fix_insertion
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end interface psb_rb_idx_tree_fix_insertion
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interface psb_rb_idx_tree_swap_colors
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subroutine psb_d_rb_idx_tree_swap_colors(n1, n2)
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import :: psb_d_rb_idx_node
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implicit none
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type(psb_d_rb_idx_node), pointer, intent(inout) :: n1, n2
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end subroutine psb_d_rb_idx_tree_swap_colors
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end interface psb_rb_idx_tree_swap_colors
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interface psb_rb_idx_tree_rotate_right
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subroutine psb_d_rb_idx_tree_rotate_right(node)
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import :: psb_d_rb_idx_node
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implicit none
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type(psb_d_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_d_rb_idx_tree_rotate_right
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end interface psb_rb_idx_tree_rotate_right
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interface psb_rb_idx_tree_rotate_left
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subroutine psb_d_rb_idx_tree_rotate_left(node)
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import :: psb_d_rb_idx_node
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implicit none
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type(psb_d_rb_idx_node), pointer, intent(inout) :: node
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end subroutine psb_d_rb_idx_tree_rotate_left
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end interface psb_rb_idx_tree_rotate_left
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end module psb_d_rb_idx_tree_mod
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@ -0,0 +1,52 @@
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!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_rb_idx_tree_mod
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
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! Contributed by Dimitri Walther
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!
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module psb_rb_idx_tree_mod
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use psb_const_mod
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use psb_s_rb_idx_tree_mod
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use psb_d_rb_idx_tree_mod
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use psb_c_rb_idx_tree_mod
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use psb_z_rb_idx_tree_mod
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end module psb_rb_idx_tree_mod
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@ -0,0 +1,128 @@
|
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!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_s_rb_idx_tree_mod
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
module psb_s_rb_idx_tree_mod
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use psb_const_mod
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implicit none
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type :: psb_s_rb_idx_node
|
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integer(psb_ipk_) :: idx
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real(psb_spk_) :: val
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type(psb_s_rb_idx_node), pointer :: left, right, parent
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logical :: is_red
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end type psb_s_rb_idx_node
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type :: psb_s_rb_idx_tree
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type(psb_s_rb_idx_node), pointer :: root
|
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integer(psb_ipk_) :: nnz
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|
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contains
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procedure :: insert => psb_s_rb_idx_tree_insert
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end type psb_s_rb_idx_tree
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interface psb_rb_idx_tree_insert
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subroutine psb_s_rb_idx_tree_insert(this, idx, val)
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import :: psb_ipk_, psb_spk_, psb_s_rb_idx_tree
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implicit none
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class(psb_s_rb_idx_tree), intent(inout) :: this
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integer(psb_ipk_), intent(in) :: idx
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real(psb_spk_), intent(in) :: val
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end subroutine psb_s_rb_idx_tree_insert
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end interface psb_rb_idx_tree_insert
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interface psb_rb_idx_tree_scalar_sparse_row_mul
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subroutine psb_s_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
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use psb_s_csr_mat_mod, only : psb_s_csr_sparse_mat
|
||||
import :: psb_ipk_, psb_spk_, psb_s_rb_idx_tree
|
||||
implicit none
|
||||
type(psb_s_rb_idx_tree), intent(inout) :: tree
|
||||
real(psb_spk_), intent(in) :: scalar
|
||||
type(psb_s_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
end subroutine psb_s_rb_idx_tree_scalar_sparse_row_mul
|
||||
end interface psb_rb_idx_tree_scalar_sparse_row_mul
|
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|
||||
interface psb_rb_idx_tree_merge
|
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subroutine psb_s_rb_idx_tree_merge(trees, mat)
|
||||
use psb_s_csr_mat_mod, only : psb_s_csr_sparse_mat
|
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import :: psb_s_rb_idx_tree
|
||||
type(psb_s_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_s_csr_sparse_mat), intent(inout) :: mat
|
||||
end subroutine psb_s_rb_idx_tree_merge
|
||||
end interface psb_rb_idx_tree_merge
|
||||
|
||||
interface psb_rb_idx_tree_fix_insertion
|
||||
subroutine psb_s_rb_idx_tree_fix_insertion(this, node)
|
||||
import :: psb_s_rb_idx_tree, psb_s_rb_idx_node
|
||||
implicit none
|
||||
class(psb_s_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_s_rb_idx_tree_fix_insertion
|
||||
end interface psb_rb_idx_tree_fix_insertion
|
||||
|
||||
interface psb_rb_idx_tree_swap_colors
|
||||
subroutine psb_s_rb_idx_tree_swap_colors(n1, n2)
|
||||
import :: psb_s_rb_idx_node
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
end subroutine psb_s_rb_idx_tree_swap_colors
|
||||
end interface psb_rb_idx_tree_swap_colors
|
||||
|
||||
interface psb_rb_idx_tree_rotate_right
|
||||
subroutine psb_s_rb_idx_tree_rotate_right(node)
|
||||
import :: psb_s_rb_idx_node
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_s_rb_idx_tree_rotate_right
|
||||
end interface psb_rb_idx_tree_rotate_right
|
||||
|
||||
interface psb_rb_idx_tree_rotate_left
|
||||
subroutine psb_s_rb_idx_tree_rotate_left(node)
|
||||
import :: psb_s_rb_idx_node
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_s_rb_idx_tree_rotate_left
|
||||
end interface psb_rb_idx_tree_rotate_left
|
||||
end module psb_s_rb_idx_tree_mod
|
||||
@ -0,0 +1,128 @@
|
||||
!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_z_rb_idx_tree_mod
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
module psb_z_rb_idx_tree_mod
|
||||
use psb_const_mod
|
||||
implicit none
|
||||
|
||||
type :: psb_z_rb_idx_node
|
||||
integer(psb_ipk_) :: idx
|
||||
complex(psb_dpk_) :: val
|
||||
type(psb_z_rb_idx_node), pointer :: left, right, parent
|
||||
logical :: is_red
|
||||
end type psb_z_rb_idx_node
|
||||
|
||||
type :: psb_z_rb_idx_tree
|
||||
type(psb_z_rb_idx_node), pointer :: root
|
||||
integer(psb_ipk_) :: nnz
|
||||
|
||||
contains
|
||||
|
||||
procedure :: insert => psb_z_rb_idx_tree_insert
|
||||
end type psb_z_rb_idx_tree
|
||||
|
||||
interface psb_rb_idx_tree_insert
|
||||
subroutine psb_z_rb_idx_tree_insert(this, idx, val)
|
||||
import :: psb_ipk_, psb_dpk_, psb_z_rb_idx_tree
|
||||
implicit none
|
||||
class(psb_z_rb_idx_tree), intent(inout) :: this
|
||||
integer(psb_ipk_), intent(in) :: idx
|
||||
complex(psb_dpk_), intent(in) :: val
|
||||
end subroutine psb_z_rb_idx_tree_insert
|
||||
end interface psb_rb_idx_tree_insert
|
||||
|
||||
interface psb_rb_idx_tree_scalar_sparse_row_mul
|
||||
subroutine psb_z_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
|
||||
use psb_z_csr_mat_mod, only : psb_z_csr_sparse_mat
|
||||
import :: psb_ipk_, psb_dpk_, psb_z_rb_idx_tree
|
||||
implicit none
|
||||
type(psb_z_rb_idx_tree), intent(inout) :: tree
|
||||
complex(psb_dpk_), intent(in) :: scalar
|
||||
type(psb_z_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
end subroutine psb_z_rb_idx_tree_scalar_sparse_row_mul
|
||||
end interface psb_rb_idx_tree_scalar_sparse_row_mul
|
||||
|
||||
interface psb_rb_idx_tree_merge
|
||||
subroutine psb_z_rb_idx_tree_merge(trees, mat)
|
||||
use psb_z_csr_mat_mod, only : psb_z_csr_sparse_mat
|
||||
import :: psb_z_rb_idx_tree
|
||||
type(psb_z_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_z_csr_sparse_mat), intent(inout) :: mat
|
||||
end subroutine psb_z_rb_idx_tree_merge
|
||||
end interface psb_rb_idx_tree_merge
|
||||
|
||||
interface psb_rb_idx_tree_fix_insertion
|
||||
subroutine psb_z_rb_idx_tree_fix_insertion(this, node)
|
||||
import :: psb_z_rb_idx_tree, psb_z_rb_idx_node
|
||||
implicit none
|
||||
class(psb_z_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_z_rb_idx_tree_fix_insertion
|
||||
end interface psb_rb_idx_tree_fix_insertion
|
||||
|
||||
interface psb_rb_idx_tree_swap_colors
|
||||
subroutine psb_z_rb_idx_tree_swap_colors(n1, n2)
|
||||
import :: psb_z_rb_idx_node
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
end subroutine psb_z_rb_idx_tree_swap_colors
|
||||
end interface psb_rb_idx_tree_swap_colors
|
||||
|
||||
interface psb_rb_idx_tree_rotate_right
|
||||
subroutine psb_z_rb_idx_tree_rotate_right(node)
|
||||
import :: psb_z_rb_idx_node
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_z_rb_idx_tree_rotate_right
|
||||
end interface psb_rb_idx_tree_rotate_right
|
||||
|
||||
interface psb_rb_idx_tree_rotate_left
|
||||
subroutine psb_z_rb_idx_tree_rotate_left(node)
|
||||
import :: psb_z_rb_idx_node
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
end subroutine psb_z_rb_idx_tree_rotate_left
|
||||
end interface psb_rb_idx_tree_rotate_left
|
||||
end module psb_z_rb_idx_tree_mod
|
||||
@ -0,0 +1,329 @@
|
||||
!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_c_rb_idx_tree_impl
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
subroutine psb_c_rb_idx_tree_insert(this, idx, val)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_insert
|
||||
implicit none
|
||||
class(psb_c_rb_idx_tree), intent(inout) :: this
|
||||
integer(psb_ipk_), intent(in) :: idx
|
||||
complex(psb_spk_), intent(in) :: val
|
||||
|
||||
character(len=22) :: name
|
||||
type(psb_c_rb_idx_node), pointer :: new_node
|
||||
type(psb_c_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_insert'
|
||||
|
||||
allocate(new_node)
|
||||
new_node%idx = idx
|
||||
new_node%val = val
|
||||
nullify(new_node%left)
|
||||
nullify(new_node%right)
|
||||
nullify(new_node%parent)
|
||||
new_node%is_red = .true.
|
||||
|
||||
|
||||
if (.not. associated(this%root)) then
|
||||
this%root => new_node
|
||||
this%nnz = 1
|
||||
new_node%is_red = .false.
|
||||
return
|
||||
end if
|
||||
|
||||
current => this%root
|
||||
|
||||
do while (associated(current))
|
||||
previous => current
|
||||
|
||||
if (idx == current%idx) then
|
||||
current%val = current%val + val
|
||||
deallocate(new_node)
|
||||
return
|
||||
else if (idx < current%idx) then
|
||||
current => current%left
|
||||
else
|
||||
|
||||
current => current%right
|
||||
end if
|
||||
end do
|
||||
|
||||
if (idx < previous%idx) then
|
||||
new_node%parent => previous
|
||||
previous%left => new_node
|
||||
else
|
||||
new_node%parent => previous
|
||||
previous%right => new_node
|
||||
end if
|
||||
|
||||
call psb_c_rb_idx_tree_fix_insertion(this, new_node)
|
||||
|
||||
this%nnz = this%nnz + 1
|
||||
end subroutine psb_c_rb_idx_tree_insert
|
||||
|
||||
subroutine psb_c_rb_idx_tree_fix_insertion(this, node)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_fix_insertion
|
||||
implicit none
|
||||
class(psb_c_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_c_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=29) :: name
|
||||
type(psb_c_rb_idx_node), pointer :: current, parent, grand_parent, uncle
|
||||
name = 'psb_rb_idx_tree_fix_insertion'
|
||||
|
||||
current => node
|
||||
parent => current%parent
|
||||
do while(associated(parent) .and. parent%is_red)
|
||||
! grand parent exist because root can't be red
|
||||
grand_parent => parent%parent
|
||||
if (parent%idx < grand_parent%idx) then
|
||||
uncle => grand_parent%right
|
||||
else
|
||||
uncle => grand_parent%left
|
||||
end if
|
||||
|
||||
if (associated(uncle) .and. uncle%is_red) then
|
||||
parent%is_red = .false.
|
||||
uncle%is_red = .false.
|
||||
grand_parent%is_red = .true.
|
||||
current => grand_parent
|
||||
parent => current%parent
|
||||
|
||||
! Left-Left case
|
||||
else if (current%idx < parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_c_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_c_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Left-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_c_rb_idx_tree_rotate_left(parent)
|
||||
call psb_c_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_c_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
! Right-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx > grand_parent%idx) then
|
||||
call psb_c_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_c_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Right-Left case
|
||||
else
|
||||
call psb_c_rb_idx_tree_rotate_right(parent)
|
||||
call psb_c_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_c_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
end if
|
||||
end do
|
||||
|
||||
this%root%is_red = .false.
|
||||
end subroutine psb_c_rb_idx_tree_fix_insertion
|
||||
|
||||
subroutine psb_c_rb_idx_tree_swap_colors(n1, n2)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_swap_colors
|
||||
implicit none
|
||||
type(psb_c_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
|
||||
character(len=27) :: name
|
||||
logical :: tmp
|
||||
name='psb_rb_idx_tree_swap_colors'
|
||||
|
||||
tmp = n1%is_red
|
||||
n1%is_red = n2%is_red
|
||||
n2%is_red = tmp
|
||||
end subroutine psb_c_rb_idx_tree_swap_colors
|
||||
|
||||
subroutine psb_c_rb_idx_tree_rotate_right(node)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_rotate_right
|
||||
implicit none
|
||||
type(psb_c_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=28) :: name
|
||||
type(psb_c_rb_idx_node), pointer :: l, lr
|
||||
name='psb_rb_idx_tree_rotate_right'
|
||||
|
||||
if (.not. associated(node%left)) return
|
||||
|
||||
l => node%left
|
||||
lr => l%right
|
||||
node%left => lr
|
||||
|
||||
if (associated(lr)) lr%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => l
|
||||
else
|
||||
node%parent%right => l
|
||||
end if
|
||||
end if
|
||||
|
||||
l%parent => node%parent
|
||||
node%parent => l
|
||||
|
||||
l%right => node
|
||||
end subroutine psb_c_rb_idx_tree_rotate_right
|
||||
|
||||
subroutine psb_c_rb_idx_tree_rotate_left(node)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_rotate_left
|
||||
implicit none
|
||||
type(psb_c_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=27) :: name
|
||||
type(psb_c_rb_idx_node), pointer :: r, rl
|
||||
name='psb_rb_idx_tree_rotate_left'
|
||||
|
||||
if (.not. associated(node%right)) return
|
||||
|
||||
r => node%right
|
||||
rl => r%left
|
||||
node%right => rl
|
||||
|
||||
if (associated(rl)) rl%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => r
|
||||
else
|
||||
node%parent%right => r
|
||||
end if
|
||||
end if
|
||||
|
||||
r%parent => node%parent
|
||||
node%parent => r
|
||||
|
||||
r%left => node
|
||||
end subroutine psb_c_rb_idx_tree_rotate_left
|
||||
|
||||
subroutine psb_c_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_scalar_sparse_row_mul
|
||||
use psb_c_csr_mat_mod, only : psb_c_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_c_rb_idx_tree), intent(inout) :: tree
|
||||
complex(psb_spk_), intent(in) :: scalar
|
||||
type(psb_c_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
|
||||
character(len=37) :: name
|
||||
integer(psb_ipk_) :: i
|
||||
name='psb_rb_idx_tree_scalar_sparse_row_mul'
|
||||
|
||||
do i = mat%irp(row_num), mat%irp(row_num + 1) - 1
|
||||
call tree%insert(mat%ja(i),scalar * mat%val(i))
|
||||
end do
|
||||
|
||||
end subroutine psb_c_rb_idx_tree_scalar_sparse_row_mul
|
||||
|
||||
subroutine psb_c_rb_idx_tree_merge(trees, mat)
|
||||
#if defined(OPENMP)
|
||||
use omp_lib
|
||||
#endif
|
||||
use psb_realloc_mod
|
||||
use psb_c_rb_idx_tree_mod, psb_protect_name => psb_c_rb_idx_tree_merge
|
||||
use psb_c_csr_mat_mod, only : psb_c_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_c_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_c_csr_sparse_mat), intent(inout) :: mat
|
||||
|
||||
character(len=21) :: name
|
||||
integer(psb_ipk_) :: i, j, rows, info, nnz
|
||||
type(psb_c_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_merge'
|
||||
|
||||
rows = size(trees)
|
||||
|
||||
mat%irp(1) = 1
|
||||
|
||||
do i=1, rows
|
||||
mat%irp(i + 1) = mat%irp(i) + trees(i)%nnz
|
||||
end do
|
||||
|
||||
nnz = mat%irp(rows + 1)
|
||||
call psb_realloc(nnz, mat%val, info)
|
||||
call psb_realloc(nnz, mat%ja, info)
|
||||
|
||||
#if defined(OPENMP)
|
||||
!$omp parallel do schedule(static), private(current, previous, j)
|
||||
#endif
|
||||
do i = 1, size(trees)
|
||||
j = 0
|
||||
current => trees(i)%root
|
||||
do while(associated(current))
|
||||
! go to the left-most node
|
||||
do while(associated(current%left))
|
||||
current => current%left
|
||||
end do
|
||||
mat%val(j + mat%irp(i)) = current%val
|
||||
mat%ja(j + mat%irp(i)) = current%idx
|
||||
j = j + 1
|
||||
|
||||
previous => current
|
||||
if (associated(current%right)) then
|
||||
if (associated(current%parent)) then
|
||||
current%parent%left => current%right
|
||||
end if
|
||||
current%right%parent => current%parent
|
||||
current => current%right
|
||||
else
|
||||
current => current%parent
|
||||
if (associated(current)) nullify(current%left)
|
||||
end if
|
||||
deallocate(previous)
|
||||
end do
|
||||
end do
|
||||
#if defined(OPENMP)
|
||||
!$omp end parallel do
|
||||
#endif
|
||||
end subroutine psb_c_rb_idx_tree_merge
|
||||
@ -0,0 +1,329 @@
|
||||
!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_d_rb_idx_tree_impl
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
subroutine psb_d_rb_idx_tree_insert(this, idx, val)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_insert
|
||||
implicit none
|
||||
class(psb_d_rb_idx_tree), intent(inout) :: this
|
||||
integer(psb_ipk_), intent(in) :: idx
|
||||
real(psb_dpk_), intent(in) :: val
|
||||
|
||||
character(len=22) :: name
|
||||
type(psb_d_rb_idx_node), pointer :: new_node
|
||||
type(psb_d_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_insert'
|
||||
|
||||
allocate(new_node)
|
||||
new_node%idx = idx
|
||||
new_node%val = val
|
||||
nullify(new_node%left)
|
||||
nullify(new_node%right)
|
||||
nullify(new_node%parent)
|
||||
new_node%is_red = .true.
|
||||
|
||||
|
||||
if (.not. associated(this%root)) then
|
||||
this%root => new_node
|
||||
this%nnz = 1
|
||||
new_node%is_red = .false.
|
||||
return
|
||||
end if
|
||||
|
||||
current => this%root
|
||||
|
||||
do while (associated(current))
|
||||
previous => current
|
||||
|
||||
if (idx == current%idx) then
|
||||
current%val = current%val + val
|
||||
deallocate(new_node)
|
||||
return
|
||||
else if (idx < current%idx) then
|
||||
current => current%left
|
||||
else
|
||||
|
||||
current => current%right
|
||||
end if
|
||||
end do
|
||||
|
||||
if (idx < previous%idx) then
|
||||
new_node%parent => previous
|
||||
previous%left => new_node
|
||||
else
|
||||
new_node%parent => previous
|
||||
previous%right => new_node
|
||||
end if
|
||||
|
||||
call psb_d_rb_idx_tree_fix_insertion(this, new_node)
|
||||
|
||||
this%nnz = this%nnz + 1
|
||||
end subroutine psb_d_rb_idx_tree_insert
|
||||
|
||||
subroutine psb_d_rb_idx_tree_fix_insertion(this, node)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_fix_insertion
|
||||
implicit none
|
||||
class(psb_d_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_d_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=29) :: name
|
||||
type(psb_d_rb_idx_node), pointer :: current, parent, grand_parent, uncle
|
||||
name = 'psb_rb_idx_tree_fix_insertion'
|
||||
|
||||
current => node
|
||||
parent => current%parent
|
||||
do while(associated(parent) .and. parent%is_red)
|
||||
! grand parent exist because root can't be red
|
||||
grand_parent => parent%parent
|
||||
if (parent%idx < grand_parent%idx) then
|
||||
uncle => grand_parent%right
|
||||
else
|
||||
uncle => grand_parent%left
|
||||
end if
|
||||
|
||||
if (associated(uncle) .and. uncle%is_red) then
|
||||
parent%is_red = .false.
|
||||
uncle%is_red = .false.
|
||||
grand_parent%is_red = .true.
|
||||
current => grand_parent
|
||||
parent => current%parent
|
||||
|
||||
! Left-Left case
|
||||
else if (current%idx < parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_d_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_d_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Left-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_d_rb_idx_tree_rotate_left(parent)
|
||||
call psb_d_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_d_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
! Right-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx > grand_parent%idx) then
|
||||
call psb_d_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_d_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Right-Left case
|
||||
else
|
||||
call psb_d_rb_idx_tree_rotate_right(parent)
|
||||
call psb_d_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_d_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
end if
|
||||
end do
|
||||
|
||||
this%root%is_red = .false.
|
||||
end subroutine psb_d_rb_idx_tree_fix_insertion
|
||||
|
||||
subroutine psb_d_rb_idx_tree_swap_colors(n1, n2)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_swap_colors
|
||||
implicit none
|
||||
type(psb_d_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
|
||||
character(len=27) :: name
|
||||
logical :: tmp
|
||||
name='psb_rb_idx_tree_swap_colors'
|
||||
|
||||
tmp = n1%is_red
|
||||
n1%is_red = n2%is_red
|
||||
n2%is_red = tmp
|
||||
end subroutine psb_d_rb_idx_tree_swap_colors
|
||||
|
||||
subroutine psb_d_rb_idx_tree_rotate_right(node)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_rotate_right
|
||||
implicit none
|
||||
type(psb_d_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=28) :: name
|
||||
type(psb_d_rb_idx_node), pointer :: l, lr
|
||||
name='psb_rb_idx_tree_rotate_right'
|
||||
|
||||
if (.not. associated(node%left)) return
|
||||
|
||||
l => node%left
|
||||
lr => l%right
|
||||
node%left => lr
|
||||
|
||||
if (associated(lr)) lr%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => l
|
||||
else
|
||||
node%parent%right => l
|
||||
end if
|
||||
end if
|
||||
|
||||
l%parent => node%parent
|
||||
node%parent => l
|
||||
|
||||
l%right => node
|
||||
end subroutine psb_d_rb_idx_tree_rotate_right
|
||||
|
||||
subroutine psb_d_rb_idx_tree_rotate_left(node)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_rotate_left
|
||||
implicit none
|
||||
type(psb_d_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=27) :: name
|
||||
type(psb_d_rb_idx_node), pointer :: r, rl
|
||||
name='psb_rb_idx_tree_rotate_left'
|
||||
|
||||
if (.not. associated(node%right)) return
|
||||
|
||||
r => node%right
|
||||
rl => r%left
|
||||
node%right => rl
|
||||
|
||||
if (associated(rl)) rl%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => r
|
||||
else
|
||||
node%parent%right => r
|
||||
end if
|
||||
end if
|
||||
|
||||
r%parent => node%parent
|
||||
node%parent => r
|
||||
|
||||
r%left => node
|
||||
end subroutine psb_d_rb_idx_tree_rotate_left
|
||||
|
||||
subroutine psb_d_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_scalar_sparse_row_mul
|
||||
use psb_d_csr_mat_mod, only : psb_d_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_d_rb_idx_tree), intent(inout) :: tree
|
||||
real(psb_dpk_), intent(in) :: scalar
|
||||
type(psb_d_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
|
||||
character(len=37) :: name
|
||||
integer(psb_ipk_) :: i
|
||||
name='psb_rb_idx_tree_scalar_sparse_row_mul'
|
||||
|
||||
do i = mat%irp(row_num), mat%irp(row_num + 1) - 1
|
||||
call tree%insert(mat%ja(i),scalar * mat%val(i))
|
||||
end do
|
||||
|
||||
end subroutine psb_d_rb_idx_tree_scalar_sparse_row_mul
|
||||
|
||||
subroutine psb_d_rb_idx_tree_merge(trees, mat)
|
||||
#if defined(OPENMP)
|
||||
use omp_lib
|
||||
#endif
|
||||
use psb_realloc_mod
|
||||
use psb_d_rb_idx_tree_mod, psb_protect_name => psb_d_rb_idx_tree_merge
|
||||
use psb_d_csr_mat_mod, only : psb_d_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_d_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_d_csr_sparse_mat), intent(inout) :: mat
|
||||
|
||||
character(len=21) :: name
|
||||
integer(psb_ipk_) :: i, j, rows, info, nnz
|
||||
type(psb_d_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_merge'
|
||||
|
||||
rows = size(trees)
|
||||
|
||||
mat%irp(1) = 1
|
||||
|
||||
do i=1, rows
|
||||
mat%irp(i + 1) = mat%irp(i) + trees(i)%nnz
|
||||
end do
|
||||
|
||||
nnz = mat%irp(rows + 1)
|
||||
call psb_realloc(nnz, mat%val, info)
|
||||
call psb_realloc(nnz, mat%ja, info)
|
||||
|
||||
#if defined(OPENMP)
|
||||
!$omp parallel do schedule(static), private(current, previous, j)
|
||||
#endif
|
||||
do i = 1, size(trees)
|
||||
j = 0
|
||||
current => trees(i)%root
|
||||
do while(associated(current))
|
||||
! go to the left-most node
|
||||
do while(associated(current%left))
|
||||
current => current%left
|
||||
end do
|
||||
mat%val(j + mat%irp(i)) = current%val
|
||||
mat%ja(j + mat%irp(i)) = current%idx
|
||||
j = j + 1
|
||||
|
||||
previous => current
|
||||
if (associated(current%right)) then
|
||||
if (associated(current%parent)) then
|
||||
current%parent%left => current%right
|
||||
end if
|
||||
current%right%parent => current%parent
|
||||
current => current%right
|
||||
else
|
||||
current => current%parent
|
||||
if (associated(current)) nullify(current%left)
|
||||
end if
|
||||
deallocate(previous)
|
||||
end do
|
||||
end do
|
||||
#if defined(OPENMP)
|
||||
!$omp end parallel do
|
||||
#endif
|
||||
end subroutine psb_d_rb_idx_tree_merge
|
||||
@ -0,0 +1,329 @@
|
||||
!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_s_rb_idx_tree_impl
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
subroutine psb_s_rb_idx_tree_insert(this, idx, val)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_insert
|
||||
implicit none
|
||||
class(psb_s_rb_idx_tree), intent(inout) :: this
|
||||
integer(psb_ipk_), intent(in) :: idx
|
||||
real(psb_spk_), intent(in) :: val
|
||||
|
||||
character(len=22) :: name
|
||||
type(psb_s_rb_idx_node), pointer :: new_node
|
||||
type(psb_s_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_insert'
|
||||
|
||||
allocate(new_node)
|
||||
new_node%idx = idx
|
||||
new_node%val = val
|
||||
nullify(new_node%left)
|
||||
nullify(new_node%right)
|
||||
nullify(new_node%parent)
|
||||
new_node%is_red = .true.
|
||||
|
||||
|
||||
if (.not. associated(this%root)) then
|
||||
this%root => new_node
|
||||
this%nnz = 1
|
||||
new_node%is_red = .false.
|
||||
return
|
||||
end if
|
||||
|
||||
current => this%root
|
||||
|
||||
do while (associated(current))
|
||||
previous => current
|
||||
|
||||
if (idx == current%idx) then
|
||||
current%val = current%val + val
|
||||
deallocate(new_node)
|
||||
return
|
||||
else if (idx < current%idx) then
|
||||
current => current%left
|
||||
else
|
||||
|
||||
current => current%right
|
||||
end if
|
||||
end do
|
||||
|
||||
if (idx < previous%idx) then
|
||||
new_node%parent => previous
|
||||
previous%left => new_node
|
||||
else
|
||||
new_node%parent => previous
|
||||
previous%right => new_node
|
||||
end if
|
||||
|
||||
call psb_s_rb_idx_tree_fix_insertion(this, new_node)
|
||||
|
||||
this%nnz = this%nnz + 1
|
||||
end subroutine psb_s_rb_idx_tree_insert
|
||||
|
||||
subroutine psb_s_rb_idx_tree_fix_insertion(this, node)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_fix_insertion
|
||||
implicit none
|
||||
class(psb_s_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=29) :: name
|
||||
type(psb_s_rb_idx_node), pointer :: current, parent, grand_parent, uncle
|
||||
name = 'psb_rb_idx_tree_fix_insertion'
|
||||
|
||||
current => node
|
||||
parent => current%parent
|
||||
do while(associated(parent) .and. parent%is_red)
|
||||
! grand parent exist because root can't be red
|
||||
grand_parent => parent%parent
|
||||
if (parent%idx < grand_parent%idx) then
|
||||
uncle => grand_parent%right
|
||||
else
|
||||
uncle => grand_parent%left
|
||||
end if
|
||||
|
||||
if (associated(uncle) .and. uncle%is_red) then
|
||||
parent%is_red = .false.
|
||||
uncle%is_red = .false.
|
||||
grand_parent%is_red = .true.
|
||||
current => grand_parent
|
||||
parent => current%parent
|
||||
|
||||
! Left-Left case
|
||||
else if (current%idx < parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_s_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_s_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Left-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_s_rb_idx_tree_rotate_left(parent)
|
||||
call psb_s_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_s_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
! Right-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx > grand_parent%idx) then
|
||||
call psb_s_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_s_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Right-Left case
|
||||
else
|
||||
call psb_s_rb_idx_tree_rotate_right(parent)
|
||||
call psb_s_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_s_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
end if
|
||||
end do
|
||||
|
||||
this%root%is_red = .false.
|
||||
end subroutine psb_s_rb_idx_tree_fix_insertion
|
||||
|
||||
subroutine psb_s_rb_idx_tree_swap_colors(n1, n2)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_swap_colors
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
|
||||
character(len=27) :: name
|
||||
logical :: tmp
|
||||
name='psb_rb_idx_tree_swap_colors'
|
||||
|
||||
tmp = n1%is_red
|
||||
n1%is_red = n2%is_red
|
||||
n2%is_red = tmp
|
||||
end subroutine psb_s_rb_idx_tree_swap_colors
|
||||
|
||||
subroutine psb_s_rb_idx_tree_rotate_right(node)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_rotate_right
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=28) :: name
|
||||
type(psb_s_rb_idx_node), pointer :: l, lr
|
||||
name='psb_rb_idx_tree_rotate_right'
|
||||
|
||||
if (.not. associated(node%left)) return
|
||||
|
||||
l => node%left
|
||||
lr => l%right
|
||||
node%left => lr
|
||||
|
||||
if (associated(lr)) lr%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => l
|
||||
else
|
||||
node%parent%right => l
|
||||
end if
|
||||
end if
|
||||
|
||||
l%parent => node%parent
|
||||
node%parent => l
|
||||
|
||||
l%right => node
|
||||
end subroutine psb_s_rb_idx_tree_rotate_right
|
||||
|
||||
subroutine psb_s_rb_idx_tree_rotate_left(node)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_rotate_left
|
||||
implicit none
|
||||
type(psb_s_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=27) :: name
|
||||
type(psb_s_rb_idx_node), pointer :: r, rl
|
||||
name='psb_rb_idx_tree_rotate_left'
|
||||
|
||||
if (.not. associated(node%right)) return
|
||||
|
||||
r => node%right
|
||||
rl => r%left
|
||||
node%right => rl
|
||||
|
||||
if (associated(rl)) rl%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => r
|
||||
else
|
||||
node%parent%right => r
|
||||
end if
|
||||
end if
|
||||
|
||||
r%parent => node%parent
|
||||
node%parent => r
|
||||
|
||||
r%left => node
|
||||
end subroutine psb_s_rb_idx_tree_rotate_left
|
||||
|
||||
subroutine psb_s_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_scalar_sparse_row_mul
|
||||
use psb_s_csr_mat_mod, only : psb_s_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_s_rb_idx_tree), intent(inout) :: tree
|
||||
real(psb_spk_), intent(in) :: scalar
|
||||
type(psb_s_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
|
||||
character(len=37) :: name
|
||||
integer(psb_ipk_) :: i
|
||||
name='psb_rb_idx_tree_scalar_sparse_row_mul'
|
||||
|
||||
do i = mat%irp(row_num), mat%irp(row_num + 1) - 1
|
||||
call tree%insert(mat%ja(i),scalar * mat%val(i))
|
||||
end do
|
||||
|
||||
end subroutine psb_s_rb_idx_tree_scalar_sparse_row_mul
|
||||
|
||||
subroutine psb_s_rb_idx_tree_merge(trees, mat)
|
||||
#if defined(OPENMP)
|
||||
use omp_lib
|
||||
#endif
|
||||
use psb_realloc_mod
|
||||
use psb_s_rb_idx_tree_mod, psb_protect_name => psb_s_rb_idx_tree_merge
|
||||
use psb_s_csr_mat_mod, only : psb_s_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_s_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_s_csr_sparse_mat), intent(inout) :: mat
|
||||
|
||||
character(len=21) :: name
|
||||
integer(psb_ipk_) :: i, j, rows, info, nnz
|
||||
type(psb_s_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_merge'
|
||||
|
||||
rows = size(trees)
|
||||
|
||||
mat%irp(1) = 1
|
||||
|
||||
do i=1, rows
|
||||
mat%irp(i + 1) = mat%irp(i) + trees(i)%nnz
|
||||
end do
|
||||
|
||||
nnz = mat%irp(rows + 1)
|
||||
call psb_realloc(nnz, mat%val, info)
|
||||
call psb_realloc(nnz, mat%ja, info)
|
||||
|
||||
#if defined(OPENMP)
|
||||
!$omp parallel do schedule(static), private(current, previous, j)
|
||||
#endif
|
||||
do i = 1, size(trees)
|
||||
j = 0
|
||||
current => trees(i)%root
|
||||
do while(associated(current))
|
||||
! go to the left-most node
|
||||
do while(associated(current%left))
|
||||
current => current%left
|
||||
end do
|
||||
mat%val(j + mat%irp(i)) = current%val
|
||||
mat%ja(j + mat%irp(i)) = current%idx
|
||||
j = j + 1
|
||||
|
||||
previous => current
|
||||
if (associated(current%right)) then
|
||||
if (associated(current%parent)) then
|
||||
current%parent%left => current%right
|
||||
end if
|
||||
current%right%parent => current%parent
|
||||
current => current%right
|
||||
else
|
||||
current => current%parent
|
||||
if (associated(current)) nullify(current%left)
|
||||
end if
|
||||
deallocate(previous)
|
||||
end do
|
||||
end do
|
||||
#if defined(OPENMP)
|
||||
!$omp end parallel do
|
||||
#endif
|
||||
end subroutine psb_s_rb_idx_tree_merge
|
||||
@ -0,0 +1,329 @@
|
||||
!
|
||||
! Parallel Sparse BLAS version 3.5
|
||||
! (C) Copyright 2006-2018
|
||||
! Salvatore Filippone
|
||||
! Alfredo Buttari
|
||||
!
|
||||
! 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 PSBLAS 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 PSBLAS 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.
|
||||
!
|
||||
!
|
||||
!
|
||||
! package: psb_z_rb_idx_tree_impl
|
||||
!
|
||||
! Red black tree implementation ordered by index
|
||||
!
|
||||
! Each node contains and index and a double precision value
|
||||
!
|
||||
! The tree should always be well balanced
|
||||
!
|
||||
! inserting a node with an existing index will
|
||||
! add up the new value to the old one
|
||||
! Contributed by Dimitri Walther
|
||||
!
|
||||
subroutine psb_z_rb_idx_tree_insert(this, idx, val)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_insert
|
||||
implicit none
|
||||
class(psb_z_rb_idx_tree), intent(inout) :: this
|
||||
integer(psb_ipk_), intent(in) :: idx
|
||||
complex(psb_dpk_), intent(in) :: val
|
||||
|
||||
character(len=22) :: name
|
||||
type(psb_z_rb_idx_node), pointer :: new_node
|
||||
type(psb_z_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_insert'
|
||||
|
||||
allocate(new_node)
|
||||
new_node%idx = idx
|
||||
new_node%val = val
|
||||
nullify(new_node%left)
|
||||
nullify(new_node%right)
|
||||
nullify(new_node%parent)
|
||||
new_node%is_red = .true.
|
||||
|
||||
|
||||
if (.not. associated(this%root)) then
|
||||
this%root => new_node
|
||||
this%nnz = 1
|
||||
new_node%is_red = .false.
|
||||
return
|
||||
end if
|
||||
|
||||
current => this%root
|
||||
|
||||
do while (associated(current))
|
||||
previous => current
|
||||
|
||||
if (idx == current%idx) then
|
||||
current%val = current%val + val
|
||||
deallocate(new_node)
|
||||
return
|
||||
else if (idx < current%idx) then
|
||||
current => current%left
|
||||
else
|
||||
|
||||
current => current%right
|
||||
end if
|
||||
end do
|
||||
|
||||
if (idx < previous%idx) then
|
||||
new_node%parent => previous
|
||||
previous%left => new_node
|
||||
else
|
||||
new_node%parent => previous
|
||||
previous%right => new_node
|
||||
end if
|
||||
|
||||
call psb_z_rb_idx_tree_fix_insertion(this, new_node)
|
||||
|
||||
this%nnz = this%nnz + 1
|
||||
end subroutine psb_z_rb_idx_tree_insert
|
||||
|
||||
subroutine psb_z_rb_idx_tree_fix_insertion(this, node)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_fix_insertion
|
||||
implicit none
|
||||
class(psb_z_rb_idx_tree), intent(inout) :: this
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=29) :: name
|
||||
type(psb_z_rb_idx_node), pointer :: current, parent, grand_parent, uncle
|
||||
name = 'psb_rb_idx_tree_fix_insertion'
|
||||
|
||||
current => node
|
||||
parent => current%parent
|
||||
do while(associated(parent) .and. parent%is_red)
|
||||
! grand parent exist because root can't be red
|
||||
grand_parent => parent%parent
|
||||
if (parent%idx < grand_parent%idx) then
|
||||
uncle => grand_parent%right
|
||||
else
|
||||
uncle => grand_parent%left
|
||||
end if
|
||||
|
||||
if (associated(uncle) .and. uncle%is_red) then
|
||||
parent%is_red = .false.
|
||||
uncle%is_red = .false.
|
||||
grand_parent%is_red = .true.
|
||||
current => grand_parent
|
||||
parent => current%parent
|
||||
|
||||
! Left-Left case
|
||||
else if (current%idx < parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_z_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_z_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Left-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx < grand_parent%idx) then
|
||||
call psb_z_rb_idx_tree_rotate_left(parent)
|
||||
call psb_z_rb_idx_tree_rotate_right(grand_parent)
|
||||
call psb_z_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
! Right-Right case
|
||||
else if (current%idx > parent%idx .and. &
|
||||
parent%idx > grand_parent%idx) then
|
||||
call psb_z_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_z_rb_idx_tree_swap_colors(parent, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => parent
|
||||
|
||||
return
|
||||
! Right-Left case
|
||||
else
|
||||
call psb_z_rb_idx_tree_rotate_right(parent)
|
||||
call psb_z_rb_idx_tree_rotate_left(grand_parent)
|
||||
call psb_z_rb_idx_tree_swap_colors(current, grand_parent)
|
||||
|
||||
if (this%root%idx == grand_parent%idx) this%root => current
|
||||
|
||||
return
|
||||
end if
|
||||
end do
|
||||
|
||||
this%root%is_red = .false.
|
||||
end subroutine psb_z_rb_idx_tree_fix_insertion
|
||||
|
||||
subroutine psb_z_rb_idx_tree_swap_colors(n1, n2)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_swap_colors
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: n1, n2
|
||||
|
||||
character(len=27) :: name
|
||||
logical :: tmp
|
||||
name='psb_rb_idx_tree_swap_colors'
|
||||
|
||||
tmp = n1%is_red
|
||||
n1%is_red = n2%is_red
|
||||
n2%is_red = tmp
|
||||
end subroutine psb_z_rb_idx_tree_swap_colors
|
||||
|
||||
subroutine psb_z_rb_idx_tree_rotate_right(node)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_rotate_right
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=28) :: name
|
||||
type(psb_z_rb_idx_node), pointer :: l, lr
|
||||
name='psb_rb_idx_tree_rotate_right'
|
||||
|
||||
if (.not. associated(node%left)) return
|
||||
|
||||
l => node%left
|
||||
lr => l%right
|
||||
node%left => lr
|
||||
|
||||
if (associated(lr)) lr%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => l
|
||||
else
|
||||
node%parent%right => l
|
||||
end if
|
||||
end if
|
||||
|
||||
l%parent => node%parent
|
||||
node%parent => l
|
||||
|
||||
l%right => node
|
||||
end subroutine psb_z_rb_idx_tree_rotate_right
|
||||
|
||||
subroutine psb_z_rb_idx_tree_rotate_left(node)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_rotate_left
|
||||
implicit none
|
||||
type(psb_z_rb_idx_node), pointer, intent(inout) :: node
|
||||
|
||||
character(len=27) :: name
|
||||
type(psb_z_rb_idx_node), pointer :: r, rl
|
||||
name='psb_rb_idx_tree_rotate_left'
|
||||
|
||||
if (.not. associated(node%right)) return
|
||||
|
||||
r => node%right
|
||||
rl => r%left
|
||||
node%right => rl
|
||||
|
||||
if (associated(rl)) rl%parent => node
|
||||
|
||||
if (associated(node%parent)) then
|
||||
if (node%idx < node%parent%idx) then
|
||||
node%parent%left => r
|
||||
else
|
||||
node%parent%right => r
|
||||
end if
|
||||
end if
|
||||
|
||||
r%parent => node%parent
|
||||
node%parent => r
|
||||
|
||||
r%left => node
|
||||
end subroutine psb_z_rb_idx_tree_rotate_left
|
||||
|
||||
subroutine psb_z_rb_idx_tree_scalar_sparse_row_mul(tree, scalar, mat, row_num)
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_scalar_sparse_row_mul
|
||||
use psb_z_csr_mat_mod, only : psb_z_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_z_rb_idx_tree), intent(inout) :: tree
|
||||
complex(psb_dpk_), intent(in) :: scalar
|
||||
type(psb_z_csr_sparse_mat), intent(in) :: mat
|
||||
integer(psb_ipk_), intent(in) :: row_num
|
||||
|
||||
character(len=37) :: name
|
||||
integer(psb_ipk_) :: i
|
||||
name='psb_rb_idx_tree_scalar_sparse_row_mul'
|
||||
|
||||
do i = mat%irp(row_num), mat%irp(row_num + 1) - 1
|
||||
call tree%insert(mat%ja(i),scalar * mat%val(i))
|
||||
end do
|
||||
|
||||
end subroutine psb_z_rb_idx_tree_scalar_sparse_row_mul
|
||||
|
||||
subroutine psb_z_rb_idx_tree_merge(trees, mat)
|
||||
#if defined(OPENMP)
|
||||
use omp_lib
|
||||
#endif
|
||||
use psb_realloc_mod
|
||||
use psb_z_rb_idx_tree_mod, psb_protect_name => psb_z_rb_idx_tree_merge
|
||||
use psb_z_csr_mat_mod, only : psb_z_csr_sparse_mat
|
||||
implicit none
|
||||
type(psb_z_rb_idx_tree), allocatable, intent(inout) :: trees(:)
|
||||
type(psb_z_csr_sparse_mat), intent(inout) :: mat
|
||||
|
||||
character(len=21) :: name
|
||||
integer(psb_ipk_) :: i, j, rows, info, nnz
|
||||
type(psb_z_rb_idx_node), pointer :: current, previous
|
||||
name='psb_rb_idx_tree_merge'
|
||||
|
||||
rows = size(trees)
|
||||
|
||||
mat%irp(1) = 1
|
||||
|
||||
do i=1, rows
|
||||
mat%irp(i + 1) = mat%irp(i) + trees(i)%nnz
|
||||
end do
|
||||
|
||||
nnz = mat%irp(rows + 1)
|
||||
call psb_realloc(nnz, mat%val, info)
|
||||
call psb_realloc(nnz, mat%ja, info)
|
||||
|
||||
#if defined(OPENMP)
|
||||
!$omp parallel do schedule(static), private(current, previous, j)
|
||||
#endif
|
||||
do i = 1, size(trees)
|
||||
j = 0
|
||||
current => trees(i)%root
|
||||
do while(associated(current))
|
||||
! go to the left-most node
|
||||
do while(associated(current%left))
|
||||
current => current%left
|
||||
end do
|
||||
mat%val(j + mat%irp(i)) = current%val
|
||||
mat%ja(j + mat%irp(i)) = current%idx
|
||||
j = j + 1
|
||||
|
||||
previous => current
|
||||
if (associated(current%right)) then
|
||||
if (associated(current%parent)) then
|
||||
current%parent%left => current%right
|
||||
end if
|
||||
current%right%parent => current%parent
|
||||
current => current%right
|
||||
else
|
||||
current => current%parent
|
||||
if (associated(current)) nullify(current%left)
|
||||
end if
|
||||
deallocate(previous)
|
||||
end do
|
||||
end do
|
||||
#if defined(OPENMP)
|
||||
!$omp end parallel do
|
||||
#endif
|
||||
end subroutine psb_z_rb_idx_tree_merge
|
||||
Loading…
Reference in New Issue