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309 lines
9.4 KiB
Fortran
309 lines
9.4 KiB
Fortran
!!$
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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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! File: psb_glob_to_loc.f90
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!
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! Subroutine: psb_glob_to_loc2
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! Performs global to local indexes translation
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!
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! Parameters:
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! x - integer, dimension(:). Array containing the indices to be translated.
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! y - integer, dimension(:). Array containing the translated indices.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code.
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! iact - integer(optional). A character defining the behaviour of this subroutine when is found an index not belonging to the calling process
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!
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subroutine psb_glob_to_loc2(x,y,desc_a,info,iact,owned)
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use psb_descriptor_type
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use psb_const_mod
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use psb_error_mod
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use psb_string_mod
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use psb_penv_mod
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use psi_mod
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implicit none
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!...parameters....
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(in) :: x(:)
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integer, intent(out) :: y(:), info
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character, intent(in), optional :: iact
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logical, intent(in), optional :: owned
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!....locals....
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integer :: n, i, tmp
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character :: act
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integer :: int_err(5), err_act
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real(kind(1.d0)) :: real_val
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logical :: owned_
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integer, parameter :: zero=0
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character(len=20) :: name
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if(psb_get_errstatus() /= 0) return
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info=0
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name = 'glob_to_loc'
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call psb_erractionsave(err_act)
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if (present(iact)) then
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act=iact
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else
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act='A'
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endif
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act = toupper(act)
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if (present(owned)) then
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owned_=owned
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else
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owned_=.false.
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end if
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int_err=0
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real_val = 0.d0
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n = size(x)
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call psi_idx_cnv(n,x,y,desc_a,info,owned=owned_)
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select case(act)
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case('E','I')
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call psb_erractionrestore(err_act)
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return
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case('W')
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if ((info /= 0).or.(count(y(1:n)<0) >0)) then
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write(0,'("Error ",i5," in subroutine glob_to_loc")') info
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end if
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case('A')
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if ((info /= 0).or.(count(y(1:n)<0) >0)) then
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call psb_errpush(info,name)
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goto 9999
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end if
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_ret_) then
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return
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else
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call psb_error()
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end if
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return
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end subroutine psb_glob_to_loc2
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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
|
|
!!$ 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
|
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!!$ 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
|
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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! Subroutine: psb_glob_to_loc
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! Performs global to local indexes translation
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!
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! Parameters:
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! x - integer, dimension(:). Array containing the indices to be translated.
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! desc_a - type(<psb_desc_type>). The communication descriptor.
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! info - integer. Eventually returns an error code.
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! iact - integer(optional). A character defining the behaviour of this subroutine when is found an index not belonging to the calling process
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!
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subroutine psb_glob_to_loc(x,desc_a,info,iact,owned)
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use psb_penv_mod
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use psb_descriptor_type
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use psb_const_mod
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use psb_error_mod
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use psb_string_mod
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use psi_mod
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implicit none
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!...parameters....
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type(psb_desc_type), intent(in) :: desc_a
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integer, intent(inout) :: x(:)
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integer, intent(out) :: info
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logical, intent(in), optional :: owned
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character, intent(in), optional :: iact
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!....locals....
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integer :: n, i, tmp, nk, key, idx, ih, nh, lb, ub, lm
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character :: act
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integer :: int_err(5), err_act, dectype
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real(kind(1.d0)) :: real_val, t0, t1,t2
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logical :: owned_
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integer, parameter :: zero=0
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character(len=20) :: name
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integer :: ictxt, iam, np
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if(psb_get_errstatus() /= 0) return
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info=0
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name = 'glob_to_loc'
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ictxt = desc_a%matrix_data(psb_ctxt_)
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call psb_info(ictxt,iam,np)
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call psb_erractionsave(err_act)
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dectype = desc_a%matrix_data(psb_dec_type_)
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if (present(iact)) then
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act=iact
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else
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act='A'
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endif
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if (present(owned)) then
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owned_=owned
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else
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owned_=.false.
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end if
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act = toupper(act)
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n = size(x)
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call psi_idx_cnv(n,x,desc_a,info,owned=owned_)
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select case(act)
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case('E','I')
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call psb_erractionrestore(err_act)
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return
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case('W')
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if ((info /= 0).or.(count(x(1:n)<0) >0)) then
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write(0,'("Error ",i5," in subroutine glob_to_loc")') info
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end if
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case('A')
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if ((info /= 0).or.(count(x(1:n)<0) >0)) then
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write(0,*) count(x(1:n)<0)
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call psb_errpush(info,name)
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goto 9999
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end if
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end select
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call psb_erractionrestore(err_act)
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return
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9999 continue
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call psb_erractionrestore(err_act)
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if (err_act == psb_act_ret_) then
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return
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else
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call psb_error()
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end if
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return
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contains
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subroutine inlbsrch(ipos,key,n,v)
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implicit none
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integer ipos, key, n
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integer v(n)
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integer lb, ub, m
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lb = 1
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ub = n
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ipos = -1
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do
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if (lb > ub) return
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m = (lb+ub)/2
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if (key.eq.v(m)) then
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ipos = m
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return
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else if (key.lt.v(m)) then
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ub = m-1
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else
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lb = m + 1
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end if
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enddo
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return
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end subroutine inlbsrch
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subroutine inner_cnv(n,x,hashsize,hashmask,hashv,glb_lc)
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integer :: n, hashsize,hashmask,x(:), hashv(0:),glb_lc(:,:)
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integer :: i, ih, key, idx,nh,tmp,lb,ub,lm
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do i=1, n
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key = x(i)
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ih = iand(key,hashmask)
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idx = hashv(ih)
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nh = hashv(ih+1) - hashv(ih)
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if (nh > 0) then
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tmp = -1
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lb = idx
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ub = idx+nh-1
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do
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if (lb>ub) exit
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lm = (lb+ub)/2
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if (key==glb_lc(lm,1)) then
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tmp = lm
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exit
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else if (key<glb_lc(lm,1)) then
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ub = lm - 1
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else
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lb = lm + 1
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end if
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end do
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else
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tmp = -1
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end if
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if (tmp > 0) then
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x(i) = glb_lc(tmp,2)
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else
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x(i) = tmp
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end if
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end do
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end subroutine inner_cnv
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end subroutine psb_glob_to_loc
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