|
|
|
|
!!$
|
|
|
|
|
!!$ Parallel Sparse BLAS version 3.0
|
|
|
|
|
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
|
|
|
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
|
|
|
!!$
|
|
|
|
|
!!$ 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_daxpby.f90
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
subroutine psb_daxpby_vect(alpha, x, beta, y,&
|
|
|
|
|
& desc_a, info)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_daxpby_vect
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_d_vect_type), intent (inout) :: x
|
|
|
|
|
type(psb_d_vect_type), intent (inout) :: y
|
|
|
|
|
real(psb_dpk_), intent (in) :: alpha, beta
|
|
|
|
|
type(psb_desc_type), intent (in) :: desc_a
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
|
|
|
|
|
! locals
|
|
|
|
|
integer :: ictxt, np, me,&
|
|
|
|
|
& err_act, iix, jjx, ix, iy, m, iiy, jjy
|
|
|
|
|
character(len=20) :: name, ch_err
|
|
|
|
|
|
|
|
|
|
name='psb_dgeaxpby'
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
info=psb_success_
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
if (np == -ione) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
if (.not.allocated(x%v)) then
|
|
|
|
|
info = psb_err_invalid_vect_state_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
if (.not.allocated(y%v)) then
|
|
|
|
|
info = psb_err_invalid_vect_state_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
ix = ione
|
|
|
|
|
iy = ione
|
|
|
|
|
|
|
|
|
|
m = desc_a%get_global_rows()
|
|
|
|
|
|
|
|
|
|
! check vector correctness
|
|
|
|
|
call psb_chkvect(m,ione,x%get_nrows(),ix,ione,desc_a,info,iix,jjx)
|
|
|
|
|
if(info /= psb_success_) then
|
|
|
|
|
info=psb_err_from_subroutine_
|
|
|
|
|
ch_err='psb_chkvect 1'
|
|
|
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
call psb_chkvect(m,ione,y%get_nrows(),iy,ione,desc_a,info,iiy,jjy)
|
|
|
|
|
if(info /= psb_success_) then
|
|
|
|
|
info=psb_err_from_subroutine_
|
|
|
|
|
ch_err='psb_chkvect 2'
|
|
|
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if ((iix /= ione).or.(iiy /= ione)) then
|
|
|
|
|
info=psb_err_ix_n1_iy_n1_unsupported_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if(desc_a%get_local_rows() > 0) then
|
|
|
|
|
call y%axpby(desc_a%get_local_rows(),&
|
|
|
|
|
& alpha,x,beta,info)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
|
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
|
|
|
call psb_error(ictxt)
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_daxpby_vect
|
|
|
|
|
|
|
|
|
|
!
|
|
|
|
|
! Subroutine: psb_daxpby
|
|
|
|
|
! Adds one distributed matrix to another,
|
|
|
|
|
!
|
|
|
|
|
! sub( Y ) := beta * sub( Y ) + alpha * sub( X )
|
|
|
|
|
!
|
|
|
|
|
! where sub( X ) denotes X(:,JX)
|
|
|
|
|
!
|
|
|
|
|
! sub( Y ) denotes Y(:,JY).
|
|
|
|
|
!
|
|
|
|
|
! Arguments:
|
|
|
|
|
! alpha - real The scalar alpha
|
|
|
|
|
! x(:,:) - real The input vector containing the entries of ( X ).
|
|
|
|
|
! beta - real The scalar beta
|
|
|
|
|
! y(:,:) - real The input vector containing the entries of ( Y ).
|
|
|
|
|
! desc_a - type(psb_desc_type). The communication descriptor.
|
|
|
|
|
! info - integer. Return code
|
|
|
|
|
! jx - integer(optional). The column offset for sub( X ).
|
|
|
|
|
! jy - integer(optional). The column offset for sub( Y ).
|
|
|
|
|
!
|
|
|
|
|
subroutine psb_daxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_daxpby
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
integer, intent(in), optional :: n, jx, jy
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
real(psb_dpk_), intent(in) :: alpha, beta
|
|
|
|
|
real(psb_dpk_), intent(in) :: x(:,:)
|
|
|
|
|
real(psb_dpk_), intent(inout) :: y(:,:)
|
|
|
|
|
|
|
|
|
|
! locals
|
|
|
|
|
integer :: ictxt, np, me,&
|
|
|
|
|
& err_act, iix, jjx, ix, iy, ijx, ijy, m, iiy, in, jjy
|
|
|
|
|
character(len=20) :: name, ch_err
|
|
|
|
|
|
|
|
|
|
name='psb_dgeaxpby'
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
info=psb_success_
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
if (np == -ione) then
|
|
|
|
|
info = psb_err_context_error_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ix = ione
|
|
|
|
|
if (present(jx)) then
|
|
|
|
|
ijx = jx
|
|
|
|
|
else
|
|
|
|
|
ijx = ione
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
iy = ione
|
|
|
|
|
if (present(jy)) then
|
|
|
|
|
ijy = jy
|
|
|
|
|
else
|
|
|
|
|
ijy = ione
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if (present(n)) then
|
|
|
|
|
if(((ijx+n) <= size(x,2)).and.&
|
|
|
|
|
& ((ijy+n) <= size(y,2))) then
|
|
|
|
|
in = n
|
|
|
|
|
else
|
|
|
|
|
in = min(size(x,2),size(y,2))
|
|
|
|
|
end if
|
|
|
|
|
else
|
|
|
|
|
in = min(size(x,2),size(y,2))
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
if(ijx /= ijy) then
|
|
|
|
|
info=3050
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
m = desc_a%get_global_rows()
|
|
|
|
|
|
|
|
|
|
! check vector correctness
|
|
|
|
|
call psb_chkvect(m,ione,size(x,1),ix,ijx,desc_a,info,iix,jjx)
|
|
|
|
|
if (info == psb_success_) &
|
|
|
|
|
& call psb_chkvect(m,ione,size(y,1),iy,ijy,desc_a,info,iiy,jjy)
|
|
|
|
|
if(info /= psb_success_) then
|
|
|
|
|
info=psb_err_from_subroutine_
|
|
|
|
|
ch_err='psb_chkvect'
|
|
|
|
|
call psb_errpush(info,name,a_err=ch_err)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if ((iix /= ione).or.(iiy /= ione)) then
|
|
|
|
|
info=psb_err_ix_n1_iy_n1_unsupported_
|
|
|
|
|
call psb_errpush(info,name)
|
|
|
|
|
goto 9999
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
if ((in /= 0)) then
|
|
|
|
|
if(desc_a%get_local_rows() > 0) then
|
|
|
|
|
call daxpby(desc_a%get_local_rows(),in,&
|
|
|
|
|
& alpha,x(iix:,jjx),size(x,1),beta,&
|
|
|
|
|
& y(iiy:,jjy),size(y,1),info)
|
|
|
|
|
end if
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 continue
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
|
|
|
|
|
if (err_act == psb_act_abort_) then
|
|
|
|
|
call psb_error(ictxt)
|
|
|
|
|
return
|
|
|
|
|
end if
|
|
|
|
|
return
|
|
|
|
|
end subroutine psb_daxpby
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
!!$
|
|
|
|
|
!!$ Parallel Sparse BLAS version 3.0
|
|
|
|
|
!!$ (C) Copyright 2006, 2007, 2008, 2009, 2010
|
|
|
|
|
!!$ Salvatore Filippone University of Rome Tor Vergata
|
|
|
|
|
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
|
|
|
|
|
!!$
|
|
|
|
|
!!$ 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_daxpbyv
|
|
|
|
|
! Adds one distributed matrix to another,
|
|
|
|
|
!
|
|
|
|
|
! Y := beta * Y + alpha * X
|
|
|
|
|
!
|
|
|
|
|
! Arguments:
|
|
|
|
|
! alpha - real The scalar alpha
|
|
|
|
|
! x(:) - real The input vector containing the entries of ( X ).
|
|
|
|
|
! beta - real The scalar beta
|
|
|
|
|
! y(:) - real The input vector containing the entries of ( Y ).
|
|
|
|
|
! desc_a - type(psb_desc_type). The communication descriptor.
|
|
|
|
|
! info - integer. Return code
|
|
|
|
|
!
|
|
|
|
|
!
|
|
|
|
|
subroutine psb_daxpbyv(alpha, x, beta,y,desc_a,info)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_daxpbyv
|
|
|
|
|
implicit none
|
|
|
|
|
|
|
|
|
|
integer, intent(out) :: info
|
|
|
|
|
type(psb_desc_type), intent(in) :: desc_a
|
|
|
|
|
real(psb_dpk_), intent(in) :: alpha, beta
|
|
|
|
|
real(psb_dpk_), intent(in) :: x(:)
|
|
|
|
|
real(psb_dpk_), intent(inout) :: y(:)
|
|
|
|
|
|
|
|
|
|
! locals
|
|
|
|
|
integer :: ictxt, np, me,&
|
|
|
|
|
& err_act, iix, jjx, ix, iy, m, iiy, jjy
|
|
|
|
|
character(len=20) :: name, ch_err
|
|
|
|
|
|
|
|
|
|
name='psb_dgeaxpby'
|
|
|
|
|
if (psb_errstatus_fatal()) return
|
|
|
|
|
info=psb_success_
|
|
|
|
|
call psb_erractionsave(err_act)
|
|
|
|
|
|
|
|
|
|
ictxt=desc_a%get_context()
|
|
|
|
|
|
|
|
|
|
call psb_info(ictxt, me, np)
|
|
|
|
|
if (np == -ione) then
|
|
|
|
|
info = psb_err_context_error_
|
|
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call psb_errpush(info,name)
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goto 9999
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endif
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ix = ione
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iy = ione
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m = desc_a%get_global_rows()
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! check vector correctness
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call psb_chkvect(m,ione,size(x),ix,ione,desc_a,info,iix,jjx)
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if(info /= psb_success_) then
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info=psb_err_from_subroutine_
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ch_err='psb_chkvect 1'
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call psb_errpush(info,name,a_err=ch_err)
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goto 9999
|
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end if
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call psb_chkvect(m,ione,size(y),iy,ione,desc_a,info,iiy,jjy)
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|
|
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if(info /= psb_success_) then
|
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info=psb_err_from_subroutine_
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ch_err='psb_chkvect 2'
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|
|
call psb_errpush(info,name,a_err=ch_err)
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goto 9999
|
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end if
|
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if ((iix /= ione).or.(iiy /= ione)) then
|
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info=psb_err_ix_n1_iy_n1_unsupported_
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|
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call psb_errpush(info,name)
|
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|
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end if
|
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|
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if(desc_a%get_local_rows() > 0) then
|
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|
|
|
call daxpby(desc_a%get_local_rows(),ione,&
|
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|
|
|
& alpha,x,size(x),beta,&
|
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|
|
|
& y,size(y),info)
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|
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|
end if
|
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|
|
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call psb_erractionrestore(err_act)
|
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|
|
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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_abort_) then
|
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|
|
|
call psb_error(ictxt)
|
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|
|
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return
|
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|
|
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end if
|
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return
|
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end subroutine psb_daxpbyv
|
