You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
psblas3/base/serial/psb_zspscal.f90

99 lines
3.2 KiB
Fortran

!!$
!!$ Parallel Sparse BLAS v2.0
!!$ (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
!!$ 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_zspscal.f90
! Subroutine:
! Arguments:
!*****************************************************************************
!* *
!* *
!*****************************************************************************
subroutine psb_zspscal(a,d,info)
! the input format
use psb_spmat_type
use psb_error_mod
use psb_const_mod
use psb_string_mod
implicit none
type(psb_zspmat_type), intent(inout) :: a
integer, intent(out) :: info
complex(kind(1.d0)), intent(in) :: d(:)
integer :: i,j, err_act
character(len=20) :: name, ch_err
name='psb_zspscal'
info = 0
call psb_erractionsave(err_act)
select case(toupper(a%fida(1:3)))
case ('CSR')
do i=1, a%m
do j=a%ia2(i),a%ia2(i+1)-1
a%aspk(j) = a%aspk(j) * d(i)
end do
end do
case ('COO')
do i=1,a%infoa(psb_nnz_)
j=a%ia1(i)
a%aspk(i) = a%aspk(i) * d(j)
enddo
case ('JAD')
info=135
ch_err=a%fida(1:3)
call psb_errpush(info,name,a_err=ch_err)
goto 9999
case default
info=136
ch_err=a%fida(1:3)
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end select
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act.eq.psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine psb_zspscal