You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
314 lines
9.5 KiB
Fortran
314 lines
9.5 KiB
Fortran
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari University of Rome Tor Vergata
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
! File: psb_glob_to_loc.f90
|
|
!
|
|
! Subroutine: psb_glob_to_loc2
|
|
! Performs global to local indexes translation
|
|
!
|
|
! Parameters:
|
|
! x - integer, dimension(:). Array containing the indices to be translated.
|
|
! y - integer, dimension(:). Array containing the translated indices.
|
|
! desc_a - type(<psb_desc_type>). The communication descriptor.
|
|
! info - integer. Eventually returns an error code.
|
|
! iact - integer(optional). A character defining the behaviour of this subroutine when is found an index not belonging to the calling process
|
|
!
|
|
subroutine psb_glob_to_loc2(x,y,desc_a,info,iact,owned)
|
|
|
|
use psb_descriptor_type
|
|
use psb_const_mod
|
|
use psb_error_mod
|
|
use psb_string_mod
|
|
use psb_penv_mod
|
|
use psi_mod
|
|
implicit none
|
|
|
|
!...parameters....
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer, intent(in) :: x(:)
|
|
integer, intent(out) :: y(:), info
|
|
character, intent(in), optional :: iact
|
|
logical, intent(in), optional :: owned
|
|
|
|
!....locals....
|
|
integer :: n, i, tmp
|
|
character :: act
|
|
integer :: int_err(5), err_act
|
|
real(kind(1.d0)) :: real_val
|
|
integer, parameter :: zero=0
|
|
logical :: owned_
|
|
character(len=20) :: name
|
|
integer :: ictxt, iam, np
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
name = 'glob_to_loc'
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
call psb_info(ictxt,iam,np)
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (present(iact)) then
|
|
act=iact
|
|
else
|
|
act='I'
|
|
endif
|
|
act = toupper(act)
|
|
if (present(owned)) then
|
|
owned_ = owned
|
|
else
|
|
owned_ = .false.
|
|
end if
|
|
|
|
int_err=0
|
|
real_val = 0.d0
|
|
|
|
n = size(x)
|
|
call psi_idx_cnv(n,x,y,desc_a,info,owned=owned_)
|
|
|
|
select case(act)
|
|
case('I')
|
|
case('W')
|
|
if (count(y(1:n)<0) >0) then
|
|
write(0,'("Out of bounds input in subroutine glob_to_loc")')
|
|
end if
|
|
|
|
case('E','A')
|
|
if (count(y(1:n)<0) >0) then
|
|
info = 151
|
|
end if
|
|
end select
|
|
if (info /= 0) then
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == act_ret) then
|
|
return
|
|
else
|
|
call psb_error()
|
|
end if
|
|
return
|
|
|
|
|
|
end subroutine psb_glob_to_loc2
|
|
|
|
|
|
!!$
|
|
!!$ Parallel Sparse BLAS v2.0
|
|
!!$ (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
|
|
!!$ Alfredo Buttari University of Rome Tor Vergata
|
|
!!$
|
|
!!$ 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.
|
|
!!$
|
|
!!$
|
|
! Subroutine: psb_glob_to_loc
|
|
! Performs global to local indexes translation
|
|
!
|
|
! Parameters:
|
|
! x - integer, dimension(:). Array containing the indices to be translated.
|
|
! desc_a - type(<psb_desc_type>). The communication descriptor.
|
|
! info - integer. Eventually returns an error code.
|
|
! iact - integer(optional). A character defining the behaviour of this subroutine when is found an index not belonging to the calling process
|
|
!
|
|
subroutine psb_glob_to_loc(x,desc_a,info,iact,owned)
|
|
|
|
use psb_penv_mod
|
|
use psb_descriptor_type
|
|
use psb_const_mod
|
|
use psb_error_mod
|
|
use psb_string_mod
|
|
use psi_mod
|
|
implicit none
|
|
|
|
!...parameters....
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
integer, intent(inout) :: x(:)
|
|
integer, intent(out) :: info
|
|
character, intent(in), optional :: iact
|
|
logical, intent(in), optional :: owned
|
|
|
|
!....locals....
|
|
integer :: n, i, tmp, nk, key, idx, ih, nh, lb, ub, lm
|
|
character :: act
|
|
integer :: int_err(5), err_act
|
|
real(kind(1.d0)) :: real_val, t0, t1,t2
|
|
integer, parameter :: zero=0
|
|
logical :: owned_
|
|
character(len=20) :: name
|
|
integer :: ictxt, iam, np
|
|
|
|
if(psb_get_errstatus() /= 0) return
|
|
info=0
|
|
name = 'glob_to_loc'
|
|
ictxt = psb_cd_get_context(desc_a)
|
|
call psb_info(ictxt,iam,np)
|
|
call psb_erractionsave(err_act)
|
|
|
|
if (present(iact)) then
|
|
act=iact
|
|
else
|
|
act='I'
|
|
endif
|
|
|
|
act = toupper(act)
|
|
if (present(owned)) then
|
|
owned_ = owned
|
|
else
|
|
owned_ = .false.
|
|
end if
|
|
|
|
n = size(x)
|
|
call psi_idx_cnv(n,x,desc_a,info,owned=owned_)
|
|
|
|
select case(act)
|
|
case('I')
|
|
case('W')
|
|
if (count(x(1:n)<0) >0) then
|
|
write(0,'("Out of bounds input in subroutine glob_to_loc")')
|
|
end if
|
|
|
|
case('E','A')
|
|
if (count(x(1:n)<0) >0) then
|
|
info = 151
|
|
end if
|
|
end select
|
|
if (info /= 0) then
|
|
call psb_errpush(info,name)
|
|
goto 9999
|
|
end if
|
|
|
|
call psb_erractionrestore(err_act)
|
|
return
|
|
|
|
9999 continue
|
|
call psb_erractionrestore(err_act)
|
|
|
|
if (err_act == act_ret) then
|
|
return
|
|
else
|
|
call psb_error()
|
|
end if
|
|
return
|
|
|
|
!!$contains
|
|
!!$
|
|
!!$ subroutine inlbsrch(ipos,key,n,v)
|
|
!!$ implicit none
|
|
!!$ integer ipos, key, n
|
|
!!$ integer v(n)
|
|
!!$
|
|
!!$ integer lb, ub, m
|
|
!!$
|
|
!!$
|
|
!!$ lb = 1
|
|
!!$ ub = n
|
|
!!$ ipos = -1
|
|
!!$
|
|
!!$ do
|
|
!!$ if (lb > ub) return
|
|
!!$ m = (lb+ub)/2
|
|
!!$ if (key.eq.v(m)) then
|
|
!!$ ipos = m
|
|
!!$ return
|
|
!!$ else if (key.lt.v(m)) then
|
|
!!$ ub = m-1
|
|
!!$ else
|
|
!!$ lb = m + 1
|
|
!!$ end if
|
|
!!$ enddo
|
|
!!$ return
|
|
!!$ end subroutine inlbsrch
|
|
!!$
|
|
!!$ subroutine inner_cnv(n,x,hashsize,hashmask,hashv,glb_lc)
|
|
!!$ integer :: n, hashsize,hashmask,x(:), hashv(0:),glb_lc(:,:)
|
|
!!$ integer :: i, ih, key, idx,nh,tmp,lb,ub,lm
|
|
!!$ do i=1, n
|
|
!!$ key = x(i)
|
|
!!$ ih = iand(key,hashmask)
|
|
!!$ idx = hashv(ih)
|
|
!!$ nh = hashv(ih+1) - hashv(ih)
|
|
!!$ if (nh > 0) then
|
|
!!$ tmp = -1
|
|
!!$ lb = idx
|
|
!!$ ub = idx+nh-1
|
|
!!$ do
|
|
!!$ if (lb>ub) exit
|
|
!!$ lm = (lb+ub)/2
|
|
!!$ if (key==glb_lc(lm,1)) then
|
|
!!$ tmp = lm
|
|
!!$ exit
|
|
!!$ else if (key<glb_lc(lm,1)) then
|
|
!!$ ub = lm - 1
|
|
!!$ else
|
|
!!$ lb = lm + 1
|
|
!!$ end if
|
|
!!$ end do
|
|
!!$ else
|
|
!!$ tmp = -1
|
|
!!$ end if
|
|
!!$ if (tmp > 0) then
|
|
!!$ x(i) = glb_lc(tmp,2)
|
|
!!$ else
|
|
!!$ x(i) = tmp
|
|
!!$ end if
|
|
!!$ end do
|
|
!!$ end subroutine inner_cnv
|
|
|
|
end subroutine psb_glob_to_loc
|
|
|