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psblas3/base/serial/psi_e_serial_impl.F90

1795 lines
41 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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 psi_e_exscanv(n,x,info,shift)
use psi_e_serial_mod, psb_protect_name => psi_e_exscanv
use psb_const_mod
use psb_error_mod
#if defined(OPENMP)
use omp_lib
#endif
implicit none
integer(psb_ipk_), intent(in) :: n
integer(psb_epk_), intent (inout) :: x(:)
integer(psb_ipk_), intent(out) :: info
integer(psb_epk_), intent(in), optional :: shift
integer(psb_epk_) :: shift_, tp, ts
integer(psb_ipk_) :: i
logical is_nested, is_parallel
if (present(shift)) then
shift_ = shift
else
shift_ = ezero
end if
#if defined(OPENMP)
is_parallel = omp_in_parallel()
if (is_parallel) then
call inner_e_exscan()
else
!$OMP PARALLEL default(shared)
call inner_e_exscan()
!$OMP END PARALLEL
end if
#else
tp = shift_
do i=1,n
ts = x(i)
x(i) = tp
tp = tp + ts
end do
#endif
#if defined(OPENMP)
contains
subroutine inner_e_exscan()
! Note: all these variables are private, but SUMB should *really* be
! a pointer. The semantics of COPYPRIVATE is that the POINTER is copied
! so effectively we are recovering a SHARED SUMB which is what
! we need in this case. If it was an ALLOCATABLE, then it would be the contents
! that would get copied, and the SHARED effect would no longer be there.
! Simple parallel version of EXSCAN
integer(psb_ipk_) :: i,ithread,nthreads,idxstart,idxend,wrk
integer(psb_epk_), pointer :: sumb(:)
integer(psb_epk_) :: tp, ts
nthreads = omp_get_num_threads()
ithread = omp_get_thread_num()
!$OMP SINGLE
allocate(sumb(nthreads+1))
sumb(:) = 0
!$OMP END SINGLE COPYPRIVATE(sumb)
wrk = (n)/nthreads
if (ithread < MOD((n),nthreads)) then
wrk = wrk + 1
idxstart = ithread*wrk + 1
else
idxstart = ithread*wrk + MOD((n),nthreads) + 1
end if
idxend = min(idxstart + wrk - 1,n )
tp = ezero
if (idxstart<=idxend) then
do i=idxstart,idxend
ts = x(i)
x(i) = tp
tp = tp + ts
end do
end if
sumb(ithread+2) = tp
!$OMP BARRIER
!$OMP SINGLE
do i=2,nthreads+1
sumb(i) = sumb(i) + sumb(i-1)
end do
!$OMP END SINGLE
!$OMP BARRIER
!$OMP DO SCHEDULE(STATIC)
do i=1,n
x(i) = x(i) + sumb(ithread+1) + shift_
end do
!$OMP END DO
!$OMP SINGLE
deallocate(sumb)
!$OMP END SINGLE
end subroutine inner_e_exscan
#endif
end subroutine psi_e_exscanv
subroutine psb_m_egelp(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_m_egelp
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_epk_), intent(inout) :: x(:,:)
integer(psb_mpk_), intent(in) :: iperm(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in) :: trans
! local variables
integer(psb_epk_),allocatable :: temp(:)
integer(psb_ipk_) :: int_err(5), i1sz, i2sz, err_act,i,j
integer(psb_ipk_), allocatable :: itemp(:)
integer(psb_epk_),parameter :: one=1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
name = 'psb_egelp'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = size(x,dim=1)
i2sz = size(x,dim=2)
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz,i2sz
allocate(temp(i1sz),itemp(size(iperm)),stat=info)
if (info /= psb_success_) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info=psb_err_iarg_invalid_value_
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
select case( psb_toupper(trans))
case('N')
do j=1,i2sz
do i=1,i1sz
temp(i) = x(itemp(i),j)
end do
do i=1,i1sz
x(i,j) = temp(i)
end do
end do
case('T')
do j=1,i2sz
do i=1,i1sz
temp(itemp(i)) = x(i,j)
end do
do i=1,i1sz
x(i,j) = temp(i)
end do
end do
case default
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='egelp')
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_m_egelp
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ 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_egelpv
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:).
! info - integer. Return code.
subroutine psb_m_egelpv(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_m_egelpv
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_epk_), intent(inout) :: x(:)
integer(psb_mpk_), intent(in) :: iperm(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in) :: trans
! local variables
integer(psb_ipk_) :: int_err(5), i1sz, err_act, i
integer(psb_epk_),allocatable :: temp(:)
integer(psb_ipk_), allocatable :: itemp(:)
integer(psb_epk_),parameter :: one=1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
name = 'psb_egelpv'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = min(size(x),size(iperm))
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz
allocate(temp(i1sz),itemp(size(iperm)),stat=info)
if (info /= psb_success_) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info=psb_err_iarg_invalid_value_
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
select case( psb_toupper(trans))
case('N')
do i=1,i1sz
temp(i) = x(itemp(i))
end do
do i=1,i1sz
x(i) = temp(i)
end do
case('T')
do i=1,i1sz
temp(itemp(i)) = x(i)
end do
do i=1,i1sz
x(i) = temp(i)
end do
case default
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='egelp')
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_m_egelpv
subroutine psb_e_egelp(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_e_egelp
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_epk_), intent(inout) :: x(:,:)
integer(psb_epk_), intent(in) :: iperm(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in) :: trans
! local variables
integer(psb_epk_),allocatable :: temp(:)
integer(psb_ipk_) :: int_err(5), err_act
integer(psb_epk_) :: i1sz, i2sz, i, j
integer(psb_epk_), allocatable :: itemp(:)
integer(psb_epk_),parameter :: one=1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
name = 'psb_egelp'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = size(x,dim=1)
i2sz = size(x,dim=2)
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz,i2sz
allocate(temp(i1sz),itemp(size(iperm)),stat=info)
if (info /= psb_success_) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info=psb_err_iarg_invalid_value_
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
select case( psb_toupper(trans))
case('N')
do j=1,i2sz
do i=1,i1sz
temp(i) = x(itemp(i),j)
end do
do i=1,i1sz
x(i,j) = temp(i)
end do
end do
case('T')
do j=1,i2sz
do i=1,i1sz
temp(itemp(i)) = x(i,j)
end do
do i=1,i1sz
x(i,j) = temp(i)
end do
end do
case default
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='egelp')
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_e_egelp
!!$
!!$ Parallel Sparse BLAS version 3.5
!!$ (C) Copyright 2006-2018
!!$ 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_egelpv
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:).
! info - integer. Return code.
subroutine psb_e_egelpv(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_e_egelpv
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_epk_), intent(inout) :: x(:)
integer(psb_epk_), intent(in) :: iperm(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in) :: trans
! local variables
integer(psb_ipk_) :: int_err(5), err_act
integer(psb_epk_),allocatable :: temp(:)
integer(psb_epk_) :: i1sz, i
integer(psb_epk_), allocatable :: itemp(:)
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name
name = 'psb_egelp'
if(psb_get_errstatus() /= 0) return
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
i1sz = min(size(x),size(iperm))
if (debug_level >= psb_debug_serial_)&
& write(debug_unit,*) trim(name),': size',i1sz
allocate(temp(i1sz),itemp(size(iperm)),stat=info)
if (info /= psb_success_) then
info=2040
call psb_errpush(info,name)
goto 9999
end if
itemp(:) = iperm(:)
if (.not.psb_isaperm(i1sz,itemp)) then
info=psb_err_iarg_invalid_value_
int_err(1) = 1
call psb_errpush(info,name,i_err=int_err)
goto 9999
endif
select case( psb_toupper(trans))
case('N')
do i=1,i1sz
temp(i) = x(itemp(i))
end do
do i=1,i1sz
x(i) = temp(i)
end do
case('T')
do i=1,i1sz
temp(itemp(i)) = x(i)
end do
do i=1,i1sz
x(i) = temp(i)
end do
case default
info=psb_err_from_subroutine_
call psb_errpush(info,name,a_err='egelp')
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_e_egelpv
subroutine psi_eaxpby(m,n,alpha, x, beta, y, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_), intent(in) :: m, n
integer(psb_epk_), intent (in) :: x(:,:)
integer(psb_epk_), intent (inout) :: y(:,:)
integer(psb_epk_), intent (in) :: alpha, beta
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: lx, ly, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psb_geaxpby'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (m < 0) then
info = psb_err_iarg_neg_
ierr(1) = 1; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (n < 0) then
info = psb_err_iarg_neg_
ierr(1) = 2; ierr(2) = n
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
lx = size(x,1)
ly = size(y,1)
if (lx < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 4; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (ly < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 6; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if ((m>0).and.(n>0)) call eaxpby(m,n,alpha,x,lx,beta,y,ly,info)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psi_eaxpby
subroutine psi_eaxpbyv(m,alpha, x, beta, y, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_), intent(in) :: m
integer(psb_epk_), intent (in) :: x(:)
integer(psb_epk_), intent (inout) :: y(:)
integer(psb_epk_), intent (in) :: alpha, beta
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: lx, ly
integer(psb_ipk_) :: ierr(5)
integer(psb_ipk_) :: i
character(len=20) :: name, ch_err
name='psb_geaxpby'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (m < 0) then
info = psb_err_iarg_neg_
ierr(1) = 1; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
lx = size(x,1)
ly = size(y,1)
if (lx < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (ly < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
! if (m>0) call eaxpby(m,ione,alpha,x,lx,beta,y,ly,info)
if (alpha.eq.ezero) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
y(i) = ezero
enddo
else if (beta.eq.eone) then
!
! Do nothing!
!
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
y(i) = beta*y(i)
enddo
endif
else if (alpha.eq.eone) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
y(i) = x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
y(i) = x(i) + beta*y(i)
enddo
endif
else if (alpha.eq.-eone) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
y(i) = -x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = -x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = -x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
y(i) = -x(i) + beta*y(i)
enddo
endif
else
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i) + beta*y(i)
enddo
endif
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psi_eaxpbyv
subroutine psi_eaxpbyv2(m,alpha, x, beta, y, z, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_), intent(in) :: m
integer(psb_epk_), intent (in) :: x(:)
integer(psb_epk_), intent (in) :: y(:)
integer(psb_epk_), intent (inout) :: z(:)
integer(psb_epk_), intent (in) :: alpha, beta
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: err_act
integer(psb_ipk_) :: lx, ly, lz, i
integer(psb_ipk_) :: ierr(5)
character(len=20) :: name, ch_err
name='psb_geaxpby'
info=psb_success_
call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
if (m < 0) then
info = psb_err_iarg_neg_
ierr(1) = 1; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
lx = size(x,1)
ly = size(y,1)
lz = size(z,1)
if (lx < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 3; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (ly < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (lz < m) then
info = psb_err_input_asize_small_i_
ierr(1) = 5; ierr(2) = m
call psb_errpush(info,name,i_err=ierr)
goto 9999
end if
if (alpha.eq.ezero) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
Z(i) = ezero
enddo
else if (beta.eq.eone) then
!
! Do nothing!
!
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
Z(i) = beta*y(i)
enddo
endif
else if (alpha.eq.eone) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
Z(i) = x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
Z(i) = x(i) + beta*y(i)
enddo
endif
else if (alpha.eq.-eone) then
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
Z(i) = -x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = -x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = -x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
Z(i) = -x(i) + beta*y(i)
enddo
endif
else
if (beta.eq.ezero) then
!$omp parallel do private(i)
do i=1,m
Z(i) = alpha*x(i)
enddo
else if (beta.eq.eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = alpha*x(i) + y(i)
enddo
else if (beta.eq.-eone) then
!$omp parallel do private(i)
do i=1,m
Z(i) = alpha*x(i) - y(i)
enddo
else
!$omp parallel do private(i)
do i=1,m
Z(i) = alpha*x(i) + beta*y(i)
enddo
endif
endif
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psi_eaxpbyv2
subroutine psi_egthmv(n,k,idx,alpha,x,beta,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, k, idx(:)
integer(psb_epk_) :: x(:,:), y(:),alpha,beta
! Locals
integer(psb_ipk_) :: i, j, pt
if (beta == ezero) then
if (alpha == ezero) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = ezero
end do
end do
else if (alpha == eone) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = x(idx(i),j)
end do
end do
else if (alpha == -eone) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = -x(idx(i),j)
end do
end do
else
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = alpha*x(idx(i),j)
end do
end do
end if
else
if (beta == eone) then
! Do nothing
else if (beta == -eone) then
y(1:n*k) = -y(1:n*k)
else
y(1:n*k) = beta*y(1:n*k)
end if
if (alpha == ezero) then
! do nothing
else if (alpha == eone) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = y(pt) + x(idx(i),j)
end do
end do
else if (alpha == -eone) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = y(pt) - x(idx(i),j)
end do
end do
else
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt) = y(pt) + alpha*x(idx(i),j)
end do
end do
end if
end if
end subroutine psi_egthmv
subroutine psi_egthv(n,idx,alpha,x,beta,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, idx(:)
integer(psb_epk_) :: x(:), y(:),alpha,beta
! Locals
integer(psb_ipk_) :: i
if (beta == ezero) then
if (alpha == ezero) then
do i=1,n
y(i) = ezero
end do
else if (alpha == eone) then
do i=1,n
y(i) = x(idx(i))
end do
else if (alpha == -eone) then
do i=1,n
y(i) = -x(idx(i))
end do
else
do i=1,n
y(i) = alpha*x(idx(i))
end do
end if
else
if (beta == eone) then
! Do nothing
else if (beta == -eone) then
y(1:n) = -y(1:n)
else
y(1:n) = beta*y(1:n)
end if
if (alpha == ezero) then
! do nothing
else if (alpha == eone) then
do i=1,n
y(i) = y(i) + x(idx(i))
end do
else if (alpha == -eone) then
do i=1,n
y(i) = y(i) - x(idx(i))
end do
else
do i=1,n
y(i) = y(i) + alpha*x(idx(i))
end do
end if
end if
end subroutine psi_egthv
subroutine psi_egthzmm(n,k,idx,x,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, k, idx(:)
integer(psb_epk_) :: x(:,:), y(:,:)
! Locals
integer(psb_ipk_) :: i
do i=1,n
y(i,1:k)=x(idx(i),1:k)
end do
end subroutine psi_egthzmm
subroutine psi_egthzmv(n,k,idx,x,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, k, idx(:)
integer(psb_epk_) :: x(:,:), y(:)
! Locals
integer(psb_ipk_) :: i, j, pt
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(pt)=x(idx(i),j)
end do
end do
end subroutine psi_egthzmv
subroutine psi_egthzv(n,idx,x,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, idx(:)
integer(psb_epk_) :: x(:), y(:)
! Locals
integer(psb_ipk_) :: i
do i=1,n
y(i)=x(idx(i))
end do
end subroutine psi_egthzv
subroutine psi_esctmm(n,k,idx,x,beta,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, k, idx(:)
integer(psb_epk_) :: beta, x(:,:), y(:,:)
! Locals
integer(psb_ipk_) :: i, j
if (beta == ezero) then
do i=1,n
y(idx(i),1:k) = x(i,1:k)
end do
else if (beta == eone) then
do i=1,n
y(idx(i),1:k) = y(idx(i),1:k)+x(i,1:k)
end do
else
do i=1,n
y(idx(i),1:k) = beta*y(idx(i),1:k)+x(i,1:k)
end do
end if
end subroutine psi_esctmm
subroutine psi_esctmv(n,k,idx,x,beta,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, k, idx(:)
integer(psb_epk_) :: beta, x(:), y(:,:)
! Locals
integer(psb_ipk_) :: i, j, pt
if (beta == ezero) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(idx(i),j) = x(pt)
end do
end do
else if (beta == eone) then
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(idx(i),j) = y(idx(i),j)+x(pt)
end do
end do
else
pt=0
do j=1,k
do i=1,n
pt=pt+1
y(idx(i),j) = beta*y(idx(i),j)+x(pt)
end do
end do
end if
end subroutine psi_esctmv
subroutine psi_esctv(n,idx,x,beta,y)
use psb_const_mod
implicit none
integer(psb_ipk_) :: n, idx(:)
integer(psb_epk_) :: beta, x(:), y(:)
! Locals
integer(psb_ipk_) :: i
if (beta == ezero) then
do i=1,n
y(idx(i)) = x(i)
end do
else if (beta == eone) then
do i=1,n
y(idx(i)) = y(idx(i))+x(i)
end do
else
do i=1,n
y(idx(i)) = beta*y(idx(i))+x(i)
end do
end if
end subroutine psi_esctv
subroutine eaxpby(m, n, alpha, X, lldx, beta, Y, lldy, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_) :: n, m, lldx, lldy, info
integer(psb_epk_) X(lldx,*), Y(lldy,*)
integer(psb_epk_) alpha, beta
integer(psb_ipk_) :: i, j
integer(psb_ipk_) :: int_err(5)
character name*20
name='eaxpby'
!
! Error handling
!
info = psb_success_
if (m.lt.0) then
info=psb_err_iarg_neg_
int_err(1)=1
int_err(2)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (n.lt.0) then
info=psb_err_iarg_neg_
int_err(1)=1
int_err(2)=n
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (lldx.lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=5
int_err(2)=1
int_err(3)=lldx
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (lldy.lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=8
int_err(2)=1
int_err(3)=lldy
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
endif
if (alpha.eq.ezero) then
if (beta.eq.ezero) then
do j=1, n
!$omp parallel do private(i)
do i=1,m
y(i,j) = ezero
enddo
enddo
else if (beta.eq.eone) then
!
! Do nothing!
!
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = beta*y(i,j)
enddo
enddo
endif
else if (alpha.eq.eone) then
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = x(i,j) + beta*y(i,j)
enddo
enddo
endif
else if (alpha.eq.-eone) then
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = -x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = -x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = -x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = -x(i,j) + beta*y(i,j)
enddo
enddo
endif
else
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = alpha*x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = alpha*x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = alpha*x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
y(i,j) = alpha*x(i,j) + beta*y(i,j)
enddo
enddo
endif
endif
return
9999 continue
call fcpsb_serror()
return
end subroutine eaxpby
subroutine eaxpbyv2(m, n, alpha, X, lldx, beta, Y, lldy, Z, lldz, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_) :: n, m, lldx, lldy, lldz, info
integer(psb_epk_) X(lldx,*), Y(lldy,*), Z(lldy,*)
integer(psb_epk_) alpha, beta
integer(psb_ipk_) :: i, j
integer(psb_ipk_) :: int_err(5)
character name*20
name='eaxpby'
!
! Error handling
!
info = psb_success_
if (m.lt.0) then
info=psb_err_iarg_neg_
int_err(1)=1
int_err(2)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (n.lt.0) then
info=psb_err_iarg_neg_
int_err(1)=1
int_err(2)=n
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (lldx.lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=5
int_err(2)=1
int_err(3)=lldx
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (lldy.lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=8
int_err(2)=1
int_err(3)=lldy
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (lldz.lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=8
int_err(2)=1
int_err(3)=lldz
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
endif
if (alpha.eq.ezero) then
if (beta.eq.ezero) then
do j=1, n
do i=1,m
Z(i,j) = ezero
enddo
enddo
else if (beta.eq.eone) then
!
! Do nothing!
!
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = beta*y(i,j)
enddo
enddo
endif
else if (alpha.eq.eone) then
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = x(i,j) + beta*y(i,j)
enddo
enddo
endif
else if (alpha.eq.-eone) then
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = -x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = -x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = -x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = -x(i,j) + beta*y(i,j)
enddo
enddo
endif
else
if (beta.eq.ezero) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = alpha*x(i,j)
enddo
enddo
else if (beta.eq.eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = alpha*x(i,j) + y(i,j)
enddo
enddo
else if (beta.eq.-eone) then
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = alpha*x(i,j) - y(i,j)
enddo
enddo
else
do j=1,n
!$omp parallel do private(i)
do i=1,m
Z(i,j) = alpha*x(i,j) + beta*y(i,j)
enddo
enddo
endif
endif
return
9999 continue
call fcpsb_serror()
return
end subroutine eaxpbyv2
subroutine psi_eabgdxyz(m,alpha, beta, gamma,delta,x, y, z, info)
use psb_const_mod
use psb_error_mod
implicit none
integer(psb_ipk_), intent(in) :: m
integer(psb_epk_), intent (in) :: x(:)
integer(psb_epk_), intent (inout) :: y(:)
integer(psb_epk_), intent (inout) :: z(:)
integer(psb_epk_), intent (in) :: alpha, beta, gamma, delta
integer(psb_ipk_), intent(out) :: info
integer(psb_ipk_) :: i
integer(psb_ipk_) :: int_err(5)
character name*20
name='eabgdxyz'
info = psb_success_
if (m.lt.0) then
info=psb_err_iarg_neg_
int_err(1)=1
int_err(2)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (size(x).lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=6
int_err(2)=1
int_err(3)=size(x)
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (size(y).lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=7
int_err(2)=1
int_err(3)=size(y)
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
else if (size(z).lt.max(1,m)) then
info=psb_err_iarg_not_gtia_ii_
int_err(1)=8
int_err(2)=1
int_err(3)=size(z)
int_err(4)=m
call fcpsb_errpush(info,name,int_err)
goto 9999
endif
if (beta == ezero) then
if (gamma == ezero) then
if (alpha == ezero) then
if (delta == ezero) then
! a 0 b 0 g 0 d 0
!$omp parallel do private(i)
do i=1,m
y(i) = ezero
z(i) = ezero
end do
else if (delta /= ezero) then
! a 0 b 0 g 0 d n
!$omp parallel do private(i)
do i=1,m
y(i) = ezero
z(i) = delta*z(i)
end do
end if
else if (alpha /= ezero) then
if (delta == ezero) then
! a n b 0 g 0 d 0
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)
z(i) = ezero
end do
else if (delta /= ezero) then
! a n b 0 g 0 d n
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)
z(i) = delta*z(i)
end do
end if
end if
else if (gamma /= ezero) then
if (alpha == ezero) then
if (delta == ezero) then
! a 0 b 0 g n d 0
!$omp parallel do private(i)
do i=1,m
y(i) = ezero
z(i) = ezero ! gamma*y(i)
end do
else if (delta /= ezero) then
! a 0 b 0 g n d n
!$omp parallel do private(i)
do i=1,m
y(i) = ezero
z(i) = delta*z(i)
end do
end if
else if (alpha /= ezero) then
if (delta == ezero) then
! a n b 0 g n d 0
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)
z(i) = gamma*y(i)
end do
else if (delta /= ezero) then
! a n b 0 g n d n
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)
z(i) = gamma*y(i)+delta*z(i)
end do
end if
end if
end if
else if (beta /= ezero) then
if (gamma == ezero) then
if (alpha == ezero) then
if (delta == ezero) then
! a 0 b n g 0 d 0
!$omp parallel do private(i)
do i=1,m
y(i) = beta*y(i)
z(i) = ezero
end do
else if (delta /= ezero) then
! a 0 b n g 0 d n
!$omp parallel do private(i)
do i=1,m
y(i) = beta*y(i)
z(i) = delta*z(i)
end do
end if
else if (alpha /= ezero) then
if (delta == ezero) then
! a n b n g 0 d 0
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)+beta*y(i)
z(i) = ezero
end do
else if (delta /= ezero) then
! a n b n g 0 d n
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)+beta*y(i)
z(i) = delta*z(i)
end do
end if
end if
else if (gamma /= ezero) then
if (alpha == ezero) then
if (delta == ezero) then
! a 0 b n g n d 0
!$omp parallel do private(i)
do i=1,m
y(i) = beta*y(i)
z(i) = gamma*y(i)
end do
else if (delta /= ezero) then
! a 0 b n g n d n
!$omp parallel do private(i)
do i=1,m
y(i) = beta*y(i)
z(i) = gamma*y(i)+delta*z(i)
end do
end if
else if (alpha /= ezero) then
if (delta == ezero) then
! a n b n g n d 0
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)+beta*y(i)
z(i) = gamma*y(i)
end do
else if (delta /= ezero) then
! a n b n g n d n
!$omp parallel do private(i)
do i=1,m
y(i) = alpha*x(i)+beta*y(i)
z(i) = gamma*y(i)+delta*z(i)
end do
end if
end if
end if
end if
return
9999 continue
call fcpsb_serror()
return
end subroutine psi_eabgdxyz