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375 lines
12 KiB
Fortran
375 lines
12 KiB
Fortran
!
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! Parallel Sparse BLAS version 3.5
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! (C) Copyright 2006-2018
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! Salvatore Filippone
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! Alfredo Buttari
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions
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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_zaxpby.f90
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!
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! Subroutine: psb_zaxpby_vect
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! Adds one distributed vector to another,
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!
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! Y := beta * Y + alpha * X
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!
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! Arguments:
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! alpha - complex,input The scalar used to multiply each component of X
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! x - type(psb_z_vect_type) The input vector containing the entries of X
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! beta - complex,input The scalar used to multiply each component of Y
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! y - type(psb_z_vect_type) The input/output vector Y
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! desc_a - type(psb_desc_type) The communication descriptor.
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! info - integer Return code
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!
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! Note: from a functional point of view, X is input, but here
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! it's declared INOUT because of the sync() methods.
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!
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subroutine psb_zaxpby_vect(alpha, x, beta, y,&
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& desc_a, info)
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use psb_base_mod, psb_protect_name => psb_zaxpby_vect
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implicit none
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type(psb_z_vect_type), intent (inout) :: x
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type(psb_z_vect_type), intent (inout) :: y
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complex(psb_dpk_), intent (in) :: alpha, beta
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type(psb_desc_type), intent (in) :: desc_a
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integer(psb_ipk_), intent(out) :: info
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iix, jjx, iiy, jjy
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integer(psb_lpk_) :: ix, ijx, iy, ijy, m
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character(len=20) :: name, ch_err
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name='psb_zgeaxpby'
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if (psb_errstatus_fatal()) return
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info=psb_success_
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call psb_erractionsave(err_act)
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -ione) then
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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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if (.not.allocated(x%v)) then
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info = psb_err_invalid_vect_state_
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call psb_errpush(info,name)
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goto 9999
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endif
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if (.not.allocated(y%v)) then
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info = psb_err_invalid_vect_state_
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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,lone,x%get_nrows(),ix,lone,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,lone,y%get_nrows(),iy,lone,desc_a,info,iiy,jjy)
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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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call psb_errpush(info,name)
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end if
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if(desc_a%get_local_rows() > 0) then
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call y%axpby(desc_a%get_local_rows(),&
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& alpha,x,beta,info)
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end if
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end subroutine psb_zaxpby_vect
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!
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! Subroutine: psb_zaxpby
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! Adds one distributed matrix to another,
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!
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! sub( Y ) := beta * sub( Y ) + alpha * sub( X )
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!
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! where sub( X ) denotes X(:,JX)
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!
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! sub( Y ) denotes Y(:,JY).
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!
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! Arguments:
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! alpha - complex,input The scalar used to multiply each component of X
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! x(:,:) - complex,input The input vector containing the entries of X
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! beta - complex,input The scalar used to multiply each component of Y
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! y(:,:) - complex,inout The input vector Y
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! desc_a - type(psb_desc_type) The communication descriptor.
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! info - integer Return code
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! jx - integer(optional) The column offset for X
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! jy - integer(optional) The column offset for Y
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!
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subroutine psb_zaxpby(alpha, x, beta,y,desc_a,info, n, jx, jy)
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use psb_base_mod, psb_protect_name => psb_zaxpby
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implicit none
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integer(psb_ipk_), intent(in), optional :: n, jx, jy
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integer(psb_ipk_), intent(out) :: info
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type(psb_desc_type), intent(in) :: desc_a
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complex(psb_dpk_), intent(in) :: alpha, beta
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complex(psb_dpk_), intent(in) :: x(:,:)
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complex(psb_dpk_), intent(inout) :: y(:,:)
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iix, jjx, iiy, in, jjy, lldx, lldy
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integer(psb_lpk_) :: ix, ijx, iy, ijy, m
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character(len=20) :: name, ch_err
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name='psb_geaxpby'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -ione) then
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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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if (present(jx)) then
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ijx = jx
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else
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ijx = ione
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endif
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iy = ione
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if (present(jy)) then
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ijy = jy
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else
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ijy = ione
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endif
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if (present(n)) then
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if(((ijx+n) <= size(x,2)).and.&
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& ((ijy+n) <= size(y,2))) then
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in = n
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else
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in = min(size(x,2),size(y,2))
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end if
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else
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in = min(size(x,2),size(y,2))
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endif
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if(ijx /= ijy) then
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info=3050
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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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m = desc_a%get_global_rows()
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lldx = size(x,1)
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lldy = size(y,1)
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! check vector correctness
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call psb_chkvect(m,lone,lldx,ix,ijx,desc_a,info,iix,jjx)
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if (info == psb_success_) &
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& call psb_chkvect(m,lone,lldy,iy,ijy,desc_a,info,iiy,jjy)
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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'
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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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call psb_errpush(info,name)
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goto 9999
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end if
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if ((in /= 0)) then
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if(desc_a%get_local_rows() > 0) then
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call zaxpby(desc_a%get_local_cols(),in,&
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& alpha,x(iix:,jjx),lldx,beta,&
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& y(iiy:,jjy),lldy,info)
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end if
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end if
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end subroutine psb_zaxpby
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!!$
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!!$ Parallel Sparse BLAS version 3.5
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!!$ (C) Copyright 2006-2018
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!!$ Salvatore Filippone University of Rome Tor Vergata
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!!$ Alfredo Buttari
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|
!!$
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!!$ Redistribution and use in source and binary forms, with or without
|
|
!!$ 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.
|
|
!!$
|
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!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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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
|
|
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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|
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
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!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
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!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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!!$ POSSIBILITY OF SUCH DAMAGE.
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!!$
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!!$
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!
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! Subroutine: psb_zaxpbyv
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! Adds one distributed vector to another,
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!
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! Y := beta * Y + alpha * X
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!
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! Arguments:
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! alpha - complex,input The scalar used to multiply each component of X
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! x(:) - complex,input The input vector containing the entries of X
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! beta - complex,input The scalar used to multiply each component of Y
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! y(:) - complex,inout The input vector Y
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! desc_a - type(psb_desc_type) The communication descriptor.
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! info - integer Return code
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!
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!
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subroutine psb_zaxpbyv(alpha, x, beta,y,desc_a,info)
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use psb_base_mod, psb_protect_name => psb_zaxpbyv
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implicit none
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integer(psb_ipk_), intent(out) :: info
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type(psb_desc_type), intent(in) :: desc_a
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complex(psb_dpk_), intent(in) :: alpha, beta
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complex(psb_dpk_), intent(in) :: x(:)
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complex(psb_dpk_), intent(inout) :: y(:)
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! locals
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integer(psb_ipk_) :: ictxt, np, me,&
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& err_act, iix, jjx, iiy, jjy, lldx, lldy
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integer(psb_lpk_) :: ix, ijx, iy, ijy, m
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character(len=20) :: name, ch_err
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logical, parameter :: debug=.false.
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name='psb_geaxpby'
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info=psb_success_
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call psb_erractionsave(err_act)
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if (psb_errstatus_fatal()) then
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info = psb_err_internal_error_ ; goto 9999
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end if
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ictxt=desc_a%get_context()
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call psb_info(ictxt, me, np)
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if (np == -ione) then
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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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lldx = size(x,1)
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lldy = size(y,1)
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! check vector correctness
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call psb_chkvect(m,lone,lldx,ix,lone,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,lone,lldy,iy,lone,desc_a,info,iiy,jjy)
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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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call psb_errpush(info,name)
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end if
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if(desc_a%get_local_rows() > 0) then
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call zaxpby(desc_a%get_local_cols(),ione,&
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& alpha,x,lldx,beta,&
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& y,lldy,info)
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end if
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call psb_erractionrestore(err_act)
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return
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9999 call psb_error_handler(ictxt,err_act)
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return
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end subroutine psb_zaxpbyv
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