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!!$
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!!$ Parallel Sparse BLAS v2.0
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!!$ (C) Copyright 2006 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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module psb_sort_mod
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integer, parameter :: psb_sort_up_=1, psb_sort_down_=-1
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integer, parameter :: psb_lsort_up_=2, psb_lsort_down_=-2
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integer, parameter :: psb_asort_up_=3, psb_asort_down_=-3
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integer, parameter :: psb_alsort_up_=4, psb_alsort_down_=-4
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integer, parameter :: psb_sort_ovw_idx_=0, psb_sort_keep_idx_=1
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integer, parameter :: psb_heap_resize=200
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type psb_int_heap
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integer :: last, dir
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integer, allocatable :: keys(:)
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end type psb_int_heap
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type psb_int_idx_heap
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integer :: last, dir
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integer, allocatable :: keys(:)
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integer, allocatable :: idxs(:)
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end type psb_int_idx_heap
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type psb_double_idx_heap
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integer :: last, dir
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real(kind(1.d0)), allocatable :: keys(:)
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integer, allocatable :: idxs(:)
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end type psb_double_idx_heap
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type psb_dcomplex_idx_heap
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integer :: last, dir
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complex(kind(1.d0)), allocatable :: keys(:)
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integer, allocatable :: idxs(:)
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end type psb_dcomplex_idx_heap
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interface psb_msort
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module procedure imsort
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end interface
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interface psb_msort_unique
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module procedure imsort_u
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end interface
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interface psb_qsort
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module procedure iqsort, dqsort, zqsort
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end interface
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interface psb_init_heap
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module procedure psb_init_int_heap, psb_init_int_idx_heap,&
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& psb_init_double_idx_heap, psb_init_dcomplex_idx_heap
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end interface
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interface psb_dump_heap
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module procedure psb_dump_int_heap, psb_dump_int_idx_heap,&
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& psb_dump_double_idx_heap, psb_dump_dcomplex_idx_heap
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end interface
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interface psb_howmany_heap
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module procedure psb_howmany_int_heap, psb_howmany_int_idx_heap,&
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& psb_howmany_double_idx_heap, psb_howmany_dcomplex_idx_heap
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end interface
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interface psb_insert_heap
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module procedure psb_insert_int_heap, psb_insert_int_idx_heap,&
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& psb_insert_double_idx_heap, psb_insert_dcomplex_idx_heap
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end interface
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interface psb_heap_get_first
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module procedure psb_int_heap_get_first, psb_int_idx_heap_get_first,&
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& psb_double_idx_heap_get_first, psb_dcomplex_idx_heap_get_first
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end interface
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contains
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subroutine imsort(x,ix,dir,flag)
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use psb_error_mod
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implicit none
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integer, intent(inout) :: x(:)
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integer, optional, intent(in) :: dir, flag
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integer, optional, intent(inout) :: ix(:)
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integer :: dir_, flag_, n, err_act
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character(len=20) :: name
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name='psb_msort'
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call psb_erractionsave(err_act)
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if (present(dir)) then
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dir_ = dir
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else
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dir_= psb_sort_up_
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end if
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select case(dir_)
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case( psb_sort_up_, psb_sort_down_)
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! OK keep going
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case default
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call psb_errpush(30,name,i_err=(/3,dir_,0,0,0/))
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goto 9999
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end select
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n = size(x)
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if (present(ix)) then
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if (size(ix) < n) then
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call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
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goto 9999
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end if
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if (present(flag)) then
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flag_ = flag
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else
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flag_ = psb_sort_ovw_idx_
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end if
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select case(flag_)
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case( psb_sort_ovw_idx_, psb_sort_keep_idx_)
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! OK keep going
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case default
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call psb_errpush(30,name,i_err=(/4,flag_,0,0,0/))
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goto 9999
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end select
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call imsrx(n,x,ix,dir_,flag_)
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else
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call imsr(n,x,dir_)
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end if
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9999 continue
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if (err_act.eq.psb_act_abort_) then
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call psb_error()
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return
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end if
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end subroutine imsort
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|
subroutine imsort_u(x,nout,dir)
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|
|
use psb_error_mod
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implicit none
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integer, intent(inout) :: x(:)
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integer, intent(out) :: nout
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integer, optional, intent(in) :: dir
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integer :: dir_, flag_, n, err_act
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character(len=20) :: name
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name='psb_msort_u'
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|
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call psb_erractionsave(err_act)
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if (present(dir)) then
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dir_ = dir
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else
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dir_= psb_sort_up_
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end if
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|
|
select case(dir_)
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case( psb_sort_up_, psb_sort_down_)
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! OK keep going
|
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case default
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|
call psb_errpush(30,name,i_err=(/3,dir_,0,0,0/))
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goto 9999
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end select
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n = size(x)
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call imsru(n,x,dir_,nout)
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9999 continue
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|
|
if (err_act.eq.psb_act_abort_) then
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|
|
call psb_error()
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|
return
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|
|
end if
|
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|
end subroutine imsort_u
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|
|
subroutine iqsort(x,ix,dir,flag)
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|
|
|
use psb_error_mod
|
|
|
|
|
implicit none
|
|
|
|
|
integer, intent(inout) :: x(:)
|
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|
|
|
integer, optional, intent(in) :: dir, flag
|
|
|
|
|
integer, optional, intent(inout) :: ix(:)
|
|
|
|
|
|
|
|
|
|
integer :: dir_, flag_, n, err_act
|
|
|
|
|
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
name='psb_qsort'
|
|
|
|
|
call psb_erractionsave(err_act)
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|
|
|
|
|
|
|
|
if (present(flag)) then
|
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|
|
|
flag_ = flag
|
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|
|
|
else
|
|
|
|
|
flag_ = psb_sort_ovw_idx_
|
|
|
|
|
end if
|
|
|
|
|
select case(flag_)
|
|
|
|
|
case( psb_sort_ovw_idx_, psb_sort_keep_idx_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/4,flag_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
dir_ = dir
|
|
|
|
|
else
|
|
|
|
|
dir_= psb_sort_up_
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
n = size(x)
|
|
|
|
|
|
|
|
|
|
select case(dir_)
|
|
|
|
|
case( psb_sort_up_, psb_sort_down_)
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call isrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call isr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case( psb_asort_up_, psb_asort_down_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call iasrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call iasr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/3,dir_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
|
if (err_act.eq.psb_act_abort_) then
|
|
|
|
|
call psb_error()
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
end subroutine iqsort
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine dqsort(x,ix,dir,flag)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
implicit none
|
|
|
|
|
real(kind(1.d0)), intent(inout) :: x(:)
|
|
|
|
|
integer, optional, intent(in) :: dir, flag
|
|
|
|
|
integer, optional, intent(inout) :: ix(:)
|
|
|
|
|
|
|
|
|
|
integer :: dir_, flag_, n, err_act
|
|
|
|
|
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
name='psb_qsort'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
if (present(flag)) then
|
|
|
|
|
flag_ = flag
|
|
|
|
|
else
|
|
|
|
|
flag_ = psb_sort_ovw_idx_
|
|
|
|
|
end if
|
|
|
|
|
select case(flag_)
|
|
|
|
|
case( psb_sort_ovw_idx_, psb_sort_keep_idx_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/4,flag_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
dir_ = dir
|
|
|
|
|
else
|
|
|
|
|
dir_= psb_sort_up_
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
n = size(x)
|
|
|
|
|
|
|
|
|
|
select case(dir_)
|
|
|
|
|
case( psb_sort_up_, psb_sort_down_)
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call dsrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call dsr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case( psb_asort_up_, psb_asort_down_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call dasrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call dasr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/3,dir_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
|
if (err_act.eq.psb_act_abort_) then
|
|
|
|
|
call psb_error()
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
end subroutine dqsort
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine zqsort(x,ix,dir,flag)
|
|
|
|
|
use psb_error_mod
|
|
|
|
|
implicit none
|
|
|
|
|
complex(kind(1.d0)), intent(inout) :: x(:)
|
|
|
|
|
integer, optional, intent(in) :: dir, flag
|
|
|
|
|
integer, optional, intent(inout) :: ix(:)
|
|
|
|
|
|
|
|
|
|
integer :: dir_, flag_, n, err_act
|
|
|
|
|
|
|
|
|
|
character(len=20) :: name
|
|
|
|
|
|
|
|
|
|
name='psb_qsort'
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
if (present(flag)) then
|
|
|
|
|
flag_ = flag
|
|
|
|
|
else
|
|
|
|
|
flag_ = psb_sort_ovw_idx_
|
|
|
|
|
end if
|
|
|
|
|
select case(flag_)
|
|
|
|
|
case( psb_sort_ovw_idx_, psb_sort_keep_idx_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/4,flag_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
dir_ = dir
|
|
|
|
|
else
|
|
|
|
|
dir_= psb_lsort_up_
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
n = size(x)
|
|
|
|
|
|
|
|
|
|
select case(dir_)
|
|
|
|
|
case( psb_lsort_up_, psb_lsort_down_)
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call zlsrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call zlsr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case( psb_alsort_up_, psb_alsort_down_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call zalsrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call zalsr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case( psb_asort_up_, psb_asort_down_)
|
|
|
|
|
! OK keep going
|
|
|
|
|
if (present(ix)) then
|
|
|
|
|
if (size(ix) < n) then
|
|
|
|
|
call psb_errpush(35,name,i_err=(/2,size(ix),0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call zasrx(n,x,ix,dir_,flag_)
|
|
|
|
|
else
|
|
|
|
|
call zasr(n,x,dir_)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
call psb_errpush(30,name,i_err=(/3,dir_,0,0,0/))
|
|
|
|
|
goto 9999
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
|
if (err_act.eq.psb_act_abort_) then
|
|
|
|
|
call psb_error()
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
end subroutine zqsort
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function psb_howmany_int_heap(heap)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_heap), intent(in) :: heap
|
|
|
|
|
integer :: psb_howmany_int_heap
|
|
|
|
|
psb_howmany_int_heap = heap%last
|
|
|
|
|
end function psb_howmany_int_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_init_int_heap(heap,info,dir)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: dir
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
heap%last=0
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
heap%dir = dir
|
|
|
|
|
else
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
endif
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_,psb_sort_down_,psb_asort_up_,psb_asort_down_)
|
|
|
|
|
! ok, do nothing
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction, defaulting to psb_sort_up_'
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%keys,info)
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_init_int_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_dump_int_heap(iout,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_heap), intent(in) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in) :: iout
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (iout < 0) then
|
|
|
|
|
write(0,*) 'Invalid file '
|
|
|
|
|
info =-1
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
write(iout,*) 'Heap direction ',heap%dir
|
|
|
|
|
write(iout,*) 'Heap size ',heap%last
|
|
|
|
|
if ((heap%last > 0).and.((.not.allocated(heap%keys)).or.&
|
|
|
|
|
& (size(heap%keys)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else
|
|
|
|
|
if (heap%last > 0) then
|
|
|
|
|
write(iout,*) heap%keys(1:heap%last)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine psb_dump_int_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_insert_int_heap(key,heap,info)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
integer, intent(in) :: key
|
|
|
|
|
type(psb_int_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: i, i2
|
|
|
|
|
integer :: temp
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last < 0) then
|
|
|
|
|
write(0,*) 'Invalid last in heap ',heap%last
|
|
|
|
|
info = heap%last
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
heap%last = heap%last + 1
|
|
|
|
|
call psb_ensure_size(heap%last,heap%keys,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Memory allocation failure in heap_insert'
|
|
|
|
|
info = -5
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
i = heap%last
|
|
|
|
|
heap%keys(i) = key
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) < heap%keys(i2)) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) > heap%keys(i2)) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(i2))) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(i2))) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_insert_int_heap
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_int_heap_get_first(key,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
type(psb_int_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: key,info
|
|
|
|
|
|
|
|
|
|
integer :: i, i2, last,j
|
|
|
|
|
integer :: temp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last <= 0) then
|
|
|
|
|
key = 0
|
|
|
|
|
info = -1
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
key = heap%keys(1)
|
|
|
|
|
heap%keys(1) = heap%keys(heap%last)
|
|
|
|
|
heap%last = heap%last - 1
|
|
|
|
|
last = heap%last
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) < heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) > heap%keys(j)) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) > heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) < heap%keys(j)) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) < abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(j))) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) > abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(j))) then
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_int_heap_get_first
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function psb_howmany_double_idx_heap(heap)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_double_idx_heap), intent(in) :: heap
|
|
|
|
|
integer :: psb_howmany_double_idx_heap
|
|
|
|
|
psb_howmany_double_idx_heap = heap%last
|
|
|
|
|
end function psb_howmany_double_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_init_double_idx_heap(heap,info,dir)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_double_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: dir
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
heap%last=0
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
heap%dir = dir
|
|
|
|
|
else
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
endif
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_,psb_sort_down_,psb_asort_up_,psb_asort_down_)
|
|
|
|
|
! ok, do nothing
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction, defaulting to psb_sort_up_'
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%keys,info)
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%idxs,info)
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_init_double_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_dump_double_idx_heap(iout,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_double_idx_heap), intent(in) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in) :: iout
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (iout < 0) then
|
|
|
|
|
write(0,*) 'Invalid file '
|
|
|
|
|
info =-1
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
write(iout,*) 'Heap direction ',heap%dir
|
|
|
|
|
write(iout,*) 'Heap size ',heap%last
|
|
|
|
|
if ((heap%last > 0).and.((.not.allocated(heap%keys)).or.&
|
|
|
|
|
& (size(heap%keys)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else if ((heap%last > 0).and.((.not.allocated(heap%idxs)).or.&
|
|
|
|
|
& (size(heap%idxs)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else
|
|
|
|
|
if (heap%last > 0) then
|
|
|
|
|
write(iout,*) heap%keys(1:heap%last)
|
|
|
|
|
write(iout,*) heap%idxs(1:heap%last)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine psb_dump_double_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_insert_double_idx_heap(key,index,heap,info)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
real(kind(1.d0)), intent(in) :: key
|
|
|
|
|
integer, intent(in) :: index
|
|
|
|
|
type(psb_double_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: i, i2, itemp
|
|
|
|
|
real(kind(1.d0)) :: temp
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last < 0) then
|
|
|
|
|
write(0,*) 'Invalid last in heap ',heap%last
|
|
|
|
|
info = heap%last
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
heap%last = heap%last + 1
|
|
|
|
|
call psb_ensure_size(heap%last,heap%keys,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info == 0) &
|
|
|
|
|
& call psb_ensure_size(heap%last,heap%idxs,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Memory allocation failure in heap_insert'
|
|
|
|
|
info = -5
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
i = heap%last
|
|
|
|
|
heap%keys(i) = key
|
|
|
|
|
heap%idxs(i) = index
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) < heap%keys(i2)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) > heap%keys(i2)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_insert_double_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_double_idx_heap_get_first(key,index,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
type(psb_double_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: index,info
|
|
|
|
|
real(kind(1.d0)), intent(out) :: key
|
|
|
|
|
|
|
|
|
|
integer :: i, i2, last,j,itemp
|
|
|
|
|
real(kind(1.d0)) :: temp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last <= 0) then
|
|
|
|
|
key = 0
|
|
|
|
|
info = -1
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
key = heap%keys(1)
|
|
|
|
|
index = heap%idxs(1)
|
|
|
|
|
heap%keys(1) = heap%keys(heap%last)
|
|
|
|
|
heap%idxs(1) = heap%idxs(heap%last)
|
|
|
|
|
heap%last = heap%last - 1
|
|
|
|
|
last = heap%last
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) < heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) > heap%keys(j)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) > heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) < heap%keys(j)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) < abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) > abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_double_idx_heap_get_first
|
|
|
|
|
|
|
|
|
|
function psb_howmany_int_idx_heap(heap)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_idx_heap), intent(in) :: heap
|
|
|
|
|
integer :: psb_howmany_int_idx_heap
|
|
|
|
|
psb_howmany_int_idx_heap = heap%last
|
|
|
|
|
end function psb_howmany_int_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_init_int_idx_heap(heap,info,dir)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: dir
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
heap%last=0
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
heap%dir = dir
|
|
|
|
|
else
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
endif
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_,psb_sort_down_,psb_asort_up_,psb_asort_down_)
|
|
|
|
|
! ok, do nothing
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction, defaulting to psb_sort_up_'
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%keys,info)
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%idxs,info)
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_init_int_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_dump_int_idx_heap(iout,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_int_idx_heap), intent(in) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in) :: iout
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (iout < 0) then
|
|
|
|
|
write(0,*) 'Invalid file '
|
|
|
|
|
info =-1
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
write(iout,*) 'Heap direction ',heap%dir
|
|
|
|
|
write(iout,*) 'Heap size ',heap%last
|
|
|
|
|
if ((heap%last > 0).and.((.not.allocated(heap%keys)).or.&
|
|
|
|
|
& (size(heap%keys)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else if ((heap%last > 0).and.((.not.allocated(heap%idxs)).or.&
|
|
|
|
|
& (size(heap%idxs)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else
|
|
|
|
|
if (heap%last > 0) then
|
|
|
|
|
write(iout,*) heap%keys(1:heap%last)
|
|
|
|
|
write(iout,*) heap%idxs(1:heap%last)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine psb_dump_int_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_insert_int_idx_heap(key,index,heap,info)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
integer, intent(in) :: key
|
|
|
|
|
integer, intent(in) :: index
|
|
|
|
|
type(psb_int_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: i, i2, itemp
|
|
|
|
|
integer :: temp
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last < 0) then
|
|
|
|
|
write(0,*) 'Invalid last in heap ',heap%last
|
|
|
|
|
info = heap%last
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
heap%last = heap%last + 1
|
|
|
|
|
call psb_ensure_size(heap%last,heap%keys,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info == 0) &
|
|
|
|
|
& call psb_ensure_size(heap%last,heap%idxs,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Memory allocation failure in heap_insert'
|
|
|
|
|
info = -5
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
i = heap%last
|
|
|
|
|
heap%keys(i) = key
|
|
|
|
|
heap%idxs(i) = index
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) < heap%keys(i2)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (heap%keys(i) > heap%keys(i2)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_insert_int_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_int_idx_heap_get_first(key,index,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
type(psb_int_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: index,info
|
|
|
|
|
integer, intent(out) :: key
|
|
|
|
|
|
|
|
|
|
integer :: i, i2, last,j,itemp
|
|
|
|
|
integer :: temp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last <= 0) then
|
|
|
|
|
key = 0
|
|
|
|
|
info = -1
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
key = heap%keys(1)
|
|
|
|
|
index = heap%idxs(1)
|
|
|
|
|
heap%keys(1) = heap%keys(heap%last)
|
|
|
|
|
heap%idxs(1) = heap%idxs(heap%last)
|
|
|
|
|
heap%last = heap%last - 1
|
|
|
|
|
last = heap%last
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
case (psb_sort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) < heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) > heap%keys(j)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_sort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (heap%keys(2*i) > heap%keys(2*i+1)) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (heap%keys(i) < heap%keys(j)) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) < abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) > abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_int_idx_heap_get_first
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
function psb_howmany_dcomplex_idx_heap(heap)
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_dcomplex_idx_heap), intent(in) :: heap
|
|
|
|
|
integer :: psb_howmany_dcomplex_idx_heap
|
|
|
|
|
psb_howmany_dcomplex_idx_heap = heap%last
|
|
|
|
|
end function psb_howmany_dcomplex_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_init_dcomplex_idx_heap(heap,info,dir)
|
|
|
|
|
use psb_realloc_mod
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_dcomplex_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in), optional :: dir
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
heap%last=0
|
|
|
|
|
if (present(dir)) then
|
|
|
|
|
heap%dir = dir
|
|
|
|
|
else
|
|
|
|
|
heap%dir = psb_sort_up_
|
|
|
|
|
endif
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
!!$ case (psb_sort_up_,psb_sort_down_,psb_asort_up_,psb_asort_down_)
|
|
|
|
|
case (psb_asort_up_,psb_asort_down_)
|
|
|
|
|
! ok, do nothing
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction, defaulting to psb_sort_up_'
|
|
|
|
|
heap%dir = psb_asort_up_
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%keys,info)
|
|
|
|
|
call psb_ensure_size(psb_heap_resize,heap%idxs,info)
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_init_dcomplex_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_dump_dcomplex_idx_heap(iout,heap,info)
|
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|
|
|
implicit none
|
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|
|
|
type(psb_dcomplex_idx_heap), intent(in) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer, intent(in) :: iout
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (iout < 0) then
|
|
|
|
|
write(0,*) 'Invalid file '
|
|
|
|
|
info =-1
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
write(iout,*) 'Heap direction ',heap%dir
|
|
|
|
|
write(iout,*) 'Heap size ',heap%last
|
|
|
|
|
if ((heap%last > 0).and.((.not.allocated(heap%keys)).or.&
|
|
|
|
|
& (size(heap%keys)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else if ((heap%last > 0).and.((.not.allocated(heap%idxs)).or.&
|
|
|
|
|
& (size(heap%idxs)<heap%last))) then
|
|
|
|
|
write(iout,*) 'Inconsistent size/allocation status!!'
|
|
|
|
|
else
|
|
|
|
|
if (heap%last > 0) then
|
|
|
|
|
write(iout,*) heap%keys(1:heap%last)
|
|
|
|
|
write(iout,*) heap%idxs(1:heap%last)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
end subroutine psb_dump_dcomplex_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_insert_dcomplex_idx_heap(key,index,heap,info)
|
|
|
|
|
use psb_realloc_mod
|
|
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|
|
implicit none
|
|
|
|
|
|
|
|
|
|
complex(kind(1.d0)), intent(in) :: key
|
|
|
|
|
integer, intent(in) :: index
|
|
|
|
|
type(psb_dcomplex_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
integer :: i, i2, itemp
|
|
|
|
|
complex(kind(1.d0)) :: temp
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last < 0) then
|
|
|
|
|
write(0,*) 'Invalid last in heap ',heap%last
|
|
|
|
|
info = heap%last
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
heap%last = heap%last + 1
|
|
|
|
|
call psb_ensure_size(heap%last,heap%keys,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info == 0) &
|
|
|
|
|
& call psb_ensure_size(heap%last,heap%idxs,info,addsz=psb_heap_resize)
|
|
|
|
|
if (info /= 0) then
|
|
|
|
|
write(0,*) 'Memory allocation failure in heap_insert'
|
|
|
|
|
info = -5
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
i = heap%last
|
|
|
|
|
heap%keys(i) = key
|
|
|
|
|
heap%idxs(i) = index
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
!!$ case (psb_sort_up_)
|
|
|
|
|
!!$
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i<=1) exit
|
|
|
|
|
!!$ i2 = i/2
|
|
|
|
|
!!$ if (heap%keys(i) < heap%keys(i2)) then
|
|
|
|
|
!!$ itemp = heap%idxs(i)
|
|
|
|
|
!!$ heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
!!$ heap%idxs(i2) = itemp
|
|
|
|
|
!!$ temp = heap%keys(i)
|
|
|
|
|
!!$ heap%keys(i) = heap%keys(i2)
|
|
|
|
|
!!$ heap%keys(i2) = temp
|
|
|
|
|
!!$ i = i2
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ exit
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end do
|
|
|
|
|
!!$
|
|
|
|
|
!!$
|
|
|
|
|
!!$ case (psb_sort_down_)
|
|
|
|
|
!!$
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i<=1) exit
|
|
|
|
|
!!$ i2 = i/2
|
|
|
|
|
!!$ if (heap%keys(i) > heap%keys(i2)) then
|
|
|
|
|
!!$ itemp = heap%idxs(i)
|
|
|
|
|
!!$ heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
!!$ heap%idxs(i2) = itemp
|
|
|
|
|
!!$ temp = heap%keys(i)
|
|
|
|
|
!!$ heap%keys(i) = heap%keys(i2)
|
|
|
|
|
!!$ heap%keys(i2) = temp
|
|
|
|
|
!!$ i = i2
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ exit
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
if (i<=1) exit
|
|
|
|
|
i2 = i/2
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(i2))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(i2)
|
|
|
|
|
heap%idxs(i2) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(i2)
|
|
|
|
|
heap%keys(i2) = temp
|
|
|
|
|
i = i2
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_insert_dcomplex_idx_heap
|
|
|
|
|
|
|
|
|
|
subroutine psb_dcomplex_idx_heap_get_first(key,index,heap,info)
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
type(psb_dcomplex_idx_heap), intent(inout) :: heap
|
|
|
|
|
integer, intent(out) :: index,info
|
|
|
|
|
complex(kind(1.d0)), intent(out) :: key
|
|
|
|
|
|
|
|
|
|
integer :: i, i2, last,j,itemp
|
|
|
|
|
complex(kind(1.d0)) :: temp
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
info = 0
|
|
|
|
|
if (heap%last <= 0) then
|
|
|
|
|
key = 0
|
|
|
|
|
info = -1
|
|
|
|
|
return
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
key = heap%keys(1)
|
|
|
|
|
index = heap%idxs(1)
|
|
|
|
|
heap%keys(1) = heap%keys(heap%last)
|
|
|
|
|
heap%idxs(1) = heap%idxs(heap%last)
|
|
|
|
|
heap%last = heap%last - 1
|
|
|
|
|
last = heap%last
|
|
|
|
|
|
|
|
|
|
select case(heap%dir)
|
|
|
|
|
!!$ case (psb_sort_up_)
|
|
|
|
|
!!$
|
|
|
|
|
!!$ i = 1
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i > (last/2)) exit
|
|
|
|
|
!!$ if ( (heap%keys(2*i) < heap%keys(2*i+1)) .or.&
|
|
|
|
|
!!$ & (2*i == last)) then
|
|
|
|
|
!!$ j = 2*i
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ j = 2*i + 1
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$
|
|
|
|
|
!!$ if (heap%keys(i) > heap%keys(j)) then
|
|
|
|
|
!!$ itemp = heap%idxs(i)
|
|
|
|
|
!!$ heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
!!$ heap%idxs(j) = itemp
|
|
|
|
|
!!$ temp = heap%keys(i)
|
|
|
|
|
!!$ heap%keys(i) = heap%keys(j)
|
|
|
|
|
!!$ heap%keys(j) = temp
|
|
|
|
|
!!$ i = j
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ exit
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end do
|
|
|
|
|
!!$
|
|
|
|
|
!!$
|
|
|
|
|
!!$ case (psb_sort_down_)
|
|
|
|
|
!!$
|
|
|
|
|
!!$ i = 1
|
|
|
|
|
!!$ do
|
|
|
|
|
!!$ if (i > (last/2)) exit
|
|
|
|
|
!!$ if ( (heap%keys(2*i) > heap%keys(2*i+1)) .or.&
|
|
|
|
|
!!$ & (2*i == last)) then
|
|
|
|
|
!!$ j = 2*i
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ j = 2*i + 1
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$
|
|
|
|
|
!!$ if (heap%keys(i) < heap%keys(j)) then
|
|
|
|
|
!!$ itemp = heap%idxs(i)
|
|
|
|
|
!!$ heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
!!$ heap%idxs(j) = itemp
|
|
|
|
|
!!$ temp = heap%keys(i)
|
|
|
|
|
!!$ heap%keys(i) = heap%keys(j)
|
|
|
|
|
!!$ heap%keys(j) = temp
|
|
|
|
|
!!$ i = j
|
|
|
|
|
!!$ else
|
|
|
|
|
!!$ exit
|
|
|
|
|
!!$ end if
|
|
|
|
|
!!$ end do
|
|
|
|
|
|
|
|
|
|
case (psb_asort_up_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) < abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) > abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
case (psb_asort_down_)
|
|
|
|
|
|
|
|
|
|
i = 1
|
|
|
|
|
do
|
|
|
|
|
if (i > (last/2)) exit
|
|
|
|
|
if ( (abs(heap%keys(2*i)) > abs(heap%keys(2*i+1))) .or.&
|
|
|
|
|
& (2*i == last)) then
|
|
|
|
|
j = 2*i
|
|
|
|
|
else
|
|
|
|
|
j = 2*i + 1
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if (abs(heap%keys(i)) < abs(heap%keys(j))) then
|
|
|
|
|
itemp = heap%idxs(i)
|
|
|
|
|
heap%idxs(i) = heap%idxs(j)
|
|
|
|
|
heap%idxs(j) = itemp
|
|
|
|
|
temp = heap%keys(i)
|
|
|
|
|
heap%keys(i) = heap%keys(j)
|
|
|
|
|
heap%keys(j) = temp
|
|
|
|
|
i = j
|
|
|
|
|
else
|
|
|
|
|
exit
|
|
|
|
|
end if
|
|
|
|
|
end do
|
|
|
|
|
|
|
|
|
|
case default
|
|
|
|
|
write(0,*) 'Invalid direction in heap ',heap%dir
|
|
|
|
|
end select
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_dcomplex_idx_heap_get_first
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
end module psb_sort_mod
|
