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psblas3/base/serial/psb_cgelp.f90

247 lines
7.8 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari University of Rome Tor Vergata
!!$
!!$ Redistribution and use in source and binary forms, with or without
!!$ modification, are permitted provided that the following conditions
!!$ are met:
!!$ 1. Redistributions of source code must retain the above copyright
!!$ notice, this list of conditions and the following disclaimer.
!!$ 2. Redistributions in binary form must reproduce the above copyright
!!$ notice, this list of conditions, and the following disclaimer in the
!!$ documentation and/or other materials provided with the distribution.
!!$ 3. The name of the PSBLAS group or the names of its contributors may
!!$ not be used to endorse or promote products derived from this
!!$ software without specific written permission.
!!$
!!$ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
!!$ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
!!$ TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
!!$ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
!!$ BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
!!$ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
!!$ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
!!$ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
!!$ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
!!$ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
!!$ POSSIBILITY OF SUCH DAMAGE.
!!$
!!$
! File: psb_cgelp.f90
!
!
! Subroutine: psb_cgelp
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:,:).
! info - integer. Return code.
subroutine psb_cgelp(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_cgelp
use psb_const_mod
use psb_error_mod
implicit none
complex(psb_spk_), intent(inout) :: x(:,:)
integer(psb_ipk_), intent(in) :: iperm(:)
integer(psb_ipk_), intent(out) :: info
character, intent(in) :: trans
! local variables
complex(psb_spk_),allocatable :: temp(:)
integer(psb_ipk_) :: int_err(5), i1sz, i2sz, err_act,i,j
integer(psb_ipk_), allocatable :: itemp(:)
complex(psb_spk_),parameter :: one=1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name, ch_err
name = 'psb_cgelp'
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_
ch_err='dgelp'
call psb_errpush(info,name,a_err=ch_err)
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_cgelp
!!$
!!$ Parallel Sparse BLAS version 2.2
!!$ (C) Copyright 2006/2007/2008
!!$ 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_cgelpv
! Apply a left permutation to a dense matrix
!
! Arguments:
! trans - character.
! iperm - integer.
! x - real, dimension(:).
! info - integer. Return code.
subroutine psb_cgelpv(trans,iperm,x,info)
use psb_serial_mod, psb_protect_name => psb_cgelpv
use psb_const_mod
use psb_error_mod
implicit none
complex(psb_spk_), intent(inout) :: x(:)
integer(psb_ipk_), 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
complex(psb_spk_),allocatable :: temp(:)
integer(psb_ipk_), allocatable :: itemp(:)
complex(psb_spk_),parameter :: one=1
integer(psb_ipk_) :: debug_level, debug_unit
character(len=20) :: name, ch_err
name = 'psb_cgelpv'
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_
ch_err='dgelp'
call psb_errpush(info,name,a_err=ch_err)
end select
deallocate(temp,itemp)
call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(err_act)
return
end subroutine psb_cgelpv