|
|
|
@ -735,88 +735,3 @@ subroutine psb_caddconst_vect(x,b,z,desc_a,info)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_caddconst_vect
|
|
|
|
|
!
|
|
|
|
|
! Subroutine: psb_cscal_vect
|
|
|
|
|
! Scale one distributed vector with scalar c,
|
|
|
|
|
!
|
|
|
|
|
! Z(i) := c*X(i)
|
|
|
|
|
!
|
|
|
|
|
! Arguments:
|
|
|
|
|
! x - type(psb_c_vect_type) The input vector containing the entries of X
|
|
|
|
|
! c - complex,input The scalar used to add each component of X
|
|
|
|
|
! z - type(psb_c_vect_type) The input/output vector Z
|
|
|
|
|
! desc_a - type(psb_desc_type) The communication descriptor.
|
|
|
|
|
! info - integer Return code
|
|
|
|
|
!
|
|
|
|
|
subroutine psb_cscal_vect(x,c,z,desc_a,info)
|
|
|
|
|
use psb_base_mod, psb_protect_name => psb_cscal_vect
|
|
|
|
|
implicit none
|
|
|
|
|
type(psb_c_vect_type), intent (inout) :: x
|
|
|
|
|
type(psb_c_vect_type), intent (inout) :: z
|
|
|
|
|
real(psb_spk_), intent(in) :: c
|
|
|
|
|
type(psb_desc_type), intent (in) :: desc_a
|
|
|
|
|
integer(psb_ipk_), intent(out) :: info
|
|
|
|
|
|
|
|
|
|
! locals
|
|
|
|
|
integer(psb_ipk_) :: ictxt, np, me,&
|
|
|
|
|
& err_act, iix, jjx, iiy, jjy
|
|
|
|
|
integer(psb_lpk_) :: ix, ijx, iy, ijy, m
|
|
|
|
|
character(len=20) :: name, ch_err
|
|
|
|
|
|
|
|
|
|
name='psb_c_scal_vect'
|
|
|
|
|
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(z%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,lone,x%get_nrows(),ix,lone,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,lone,z%get_nrows(),iy,lone,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(desc_a%get_local_rows() > 0) then
|
|
|
|
|
call z%scal(x,c,info)
|
|
|
|
|
end if
|
|
|
|
|
|
|
|
|
|
call psb_erractionrestore(err_act)
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
9999 call psb_error_handler(ictxt,err_act)
|
|
|
|
|
|
|
|
|
|
return
|
|
|
|
|
|
|
|
|
|
end subroutine psb_cscal_vect
|
|
|
|
|