!!$
!!$ 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.
!!$
!!$
module psb_error_mod
integer, parameter, public :: psb_act_ret_=0, psb_act_abort_=1, psb_no_err_=0
!
! Error handling
!
public psb_errpush, psb_error, psb_get_errstatus,&
& psb_get_errverbosity, psb_set_errverbosity,psb_errcomm, &
& psb_erractionsave, psb_erractionrestore, &
& psb_get_erraction, psb_set_erraction
interface psb_error
module procedure psb_serror
module procedure psb_perror
end interface
private
type psb_errstack_node
integer :: err_code=0 ! the error code
character(len=20) :: routine='' ! the name of the routine generating the error
integer,dimension(5) :: i_err_data=0 ! array of integer data to complete the error msg
! real(kind(1.d0))(dim=10) :: r_err_data=0.d0 ! array of real data to complete the error msg
! complex(dim=10) :: c_err_data=0.c0 ! array of complex data to complete the error msg
character(len=40) :: a_err_data='' ! array of character data to complete the error msg
type(psb_errstack_node), pointer :: next ! pointer to the next element in the stack
end type psb_errstack_node
type psb_errstack
type(psb_errstack_node), pointer :: top => null() ! pointer to the top element of the stack
integer :: n_elems=0 ! number of entries in the stack
end type psb_errstack
type(psb_errstack),save :: error_stack ! the PSBLAS-2.0 error stack
integer,save :: error_status=0 ! the error status (maybe not here)
integer,save :: verbosity_level=1 ! the verbosity level (maybe not here)
integer,save :: err_action=1
contains
! saves action to support error traceback
! also changes error action to "return"
subroutine psb_erractionsave(err_act)
integer, intent(out) :: err_act
err_act = err_action
err_action = psb_act_ret_
end subroutine psb_erractionsave
! return the action to take upon error occurrence
subroutine psb_get_erraction(err_act)
integer, intent(out) :: err_act
err_act=err_action
end subroutine psb_get_erraction
! sets the action to take upon error occurrence
subroutine psb_set_erraction(err_act)
integer, intent(in) :: err_act
err_action=err_act
end subroutine psb_set_erraction
! restores error action previously saved with psb_erractionsave
subroutine psb_erractionrestore(err_act)
integer, intent(in) :: err_act
err_action=err_act
end subroutine psb_erractionrestore
! checks wether an error has occurred on one of the porecesses in the execution pool
subroutine psb_errcomm(ictxt, err)
integer, intent(in) :: ictxt
integer, intent(inout):: err
integer :: temp(2)
integer, parameter :: ione=1
! Cannot use psb_amx or otherwise we have a recursion in module usage
#if !defined(SERIAL_MPI)
call igamx2d(ictxt, 'A', ' ', ione, ione, err, ione,&
&temp ,temp,-ione ,-ione,-ione)
#endif
end subroutine psb_errcomm
! sets verbosity of the error message
subroutine psb_set_errverbosity(v)
integer, intent(in) :: v
verbosity_level=v
end subroutine psb_set_errverbosity
! returns verbosity of the error message
function psb_get_errverbosity()
integer :: psb_get_errverbosity
psb_get_errverbosity=verbosity_level
end function psb_get_errverbosity
! checks the status of the error condition
function psb_get_errstatus()
integer :: psb_get_errstatus
psb_get_errstatus=error_status
end function psb_get_errstatus
! pushes an error on the error stack
subroutine psb_errpush(err_c, r_name, i_err, a_err)
integer, intent(in) :: err_c
character(len=*), intent(in) :: r_name
character(len=*), optional :: a_err
integer, optional :: i_err(5)
type(psb_errstack_node), pointer :: new_node
allocate(new_node)
new_node%err_code = err_c
new_node%routine = r_name
if(present(i_err)) new_node%i_err_data = i_err
if(present(a_err)) new_node%a_err_data = a_err
new_node%next => error_stack%top
error_stack%top => new_node
error_stack%n_elems = error_stack%n_elems+1
if(error_status.eq.0) error_status=1
nullify(new_node)
end subroutine psb_errpush
! pops an error from the error stack
subroutine psb_errpop(err_c, r_name, i_e_d, a_e_d)
integer, intent(out) :: err_c
character(len=20), intent(out) :: r_name
character(len=40), intent(out) :: a_e_d
integer, intent(out) :: i_e_d(5)
type(psb_errstack_node), pointer :: old_node
err_c = error_stack%top%err_code
r_name = error_stack%top%routine
i_e_d = error_stack%top%i_err_data
a_e_d = error_stack%top%a_err_data
old_node => error_stack%top
error_stack%top => old_node%next
error_stack%n_elems = error_stack%n_elems - 1
if(error_stack%n_elems.eq.0) error_status=0
deallocate(old_node)
end subroutine psb_errpop
! handles the occurence of an error in a parallel routine
subroutine psb_perror(ictxt)
integer, intent(in) :: ictxt
integer :: err_c
character(len=20) :: r_name
character(len=40) :: a_e_d
integer :: i_e_d(5)
integer :: nprow, npcol, me, mypcol
integer, parameter :: ione=1, izero=0
if(error_status.gt.0) then
if(verbosity_level.gt.1) then
do while (error_stack%n_elems.gt.izero)
write(0,'(50("="))')
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
call psb_errmsg(err_c, r_name, i_e_d, a_e_d,me)
! write(0,'(50("="))')
end do
#if defined(SERIAL_MPI)
stop
#else
call blacs_abort(ictxt,-1)
#endif
else
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
call psb_errmsg(err_c, r_name, i_e_d, a_e_d,me)
do while (error_stack%n_elems.gt.0)
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
end do
#if defined(SERIAL_MPI)
stop
#else
call blacs_abort(ictxt,-1)
#endif
end if
end if
if(error_status.gt.izero) then
#if defined(SERIAL_MPI)
stop
#else
call blacs_abort(ictxt,err_c)
#endif
end if
end subroutine psb_perror
! handles the occurence of an error in a serial routine
subroutine psb_serror()
integer :: err_c
character(len=20) :: r_name
character(len=40) :: a_e_d
integer :: i_e_d(5)
integer, parameter :: ione=1, izero=0
if(error_status.gt.0) then
if(verbosity_level.gt.1) then
do while (error_stack%n_elems.gt.izero)
write(0,'(50("="))')
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
call psb_errmsg(err_c, r_name, i_e_d, a_e_d)
! write(0,'(50("="))')
end do
else
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
call psb_errmsg(err_c, r_name, i_e_d, a_e_d)
do while (error_stack%n_elems.gt.0)
call psb_errpop(err_c, r_name, i_e_d, a_e_d)
end do
end if
end if
end subroutine psb_serror
! prints the error msg associated to a specific error code
subroutine psb_errmsg(err_c, r_name, i_e_d, a_e_d,me)
integer, intent(in) :: err_c
character(len=20), intent(in) :: r_name
character(len=40), intent(in) :: a_e_d
integer, intent(in) :: i_e_d(5)
integer, optional :: me
if(present(me)) then
write(0,'("Process: ",i0,". PSBLAS Error (",i0,") in subroutine: ",a20)')me,err_c,r_name
else
write(0,'("PSBLAS Error (",i0,") in subroutine: ",a20)')err_c,r_name
end if
select case (err_c)
case(:0)
write (0,'("error on calling sperror. err_c must be greater than 0")')
case(2)
write (0,'("pivot too small: ",i0,1x,a)')i_e_d(1),a_e_d
case(3)
write (0,'("Invalid number of ovr:",i0)')i_e_d(1)
case(5)
write (0,'("Invalid input")')
case(10)
write (0,'("input argument n. ",i0," cannot be less than 0")')i_e_d(1)
write (0,'("current value is ",i0)')i_e_d(2)
case(20)
write (0,'("input argument n. ",i0," cannot be greater than 0")')i_e_d(1)
write (0,'("current value is ",i0)')i_e_d(2)
case(30)
write (0,'("input argument n. ",i0," has an invalid value")')i_e_d(1)
write (0,'("current value is ",i0)')i_e_d(2)
case(35)
write (0,'("Size of input array argument n. ",i0," is invalid.")')i_e_d(1)
write (0,'("Current value is ",i0)')i_e_d(2)
case(40)
write (0,'("input argument n. ",i0," has an invalid value")')i_e_d(1)
write (0,'("current value is ",a)')a_e_d(2:2)
case(50)
write (0,'("input argument n. ",i0," must be equal or greater than input argument n. ",i0)') i_e_d(1), i_e_d(3)
write (0,'("current values are ",i0," < ",i0)') i_e_d(2),i_e_d(5)
case(60)
write (0,'("input argument n. ",i0," must be greater than or equal to ",i0)')i_e_d(1),i_e_d(2)
write (0,'("current value is ",i0," < ",i0)')i_e_d(3), i_e_d(2)
case(70)
write (0,'("input argument n. ",i0," in entry # ",i0," has an invalid value")')i_e_d(1:2)
write (0,'("current value is ",a)')a_e_d
case(71)
write (0,'("Impossible error in ASB: nrow>ncol,")')
write (0,'("Actual values are ",i0," > ",i0)')i_e_d(1:2)
! ... csr format error ...
case(80)
write (0,'("input argument ia2(1) is less than 0")')
write (0,'("current value is ",i0)')i_e_d(1)
! ... csr format error ...
case(90)
write (0,'("indices in ia2 array are not in increasing order")')
case(91)
write (0,'("indices in ia1 array are not in increasing order")')
! ... csr format error ...
case(100)
write (0,'("indices in ia1 array are not within problem dimension")')
write (0,'("problem dimension is ",i0)')i_e_d(1)
case(110)
write (0,'("invalid combination of input arguments")')
case(115)
write (0,'("Invalid process identifier in input array argument n. ",i0,".")')i_e_d(1)
write (0,'("Current value is ",i0)')i_e_d(2)
case(120)
write (0,'("input argument n. ",i0," must be greater than input argument n. ",i0)')i_e_d(1:2)
write (0,'("current values are ",i0," < ",i0)') i_e_d(3:4)
! ... coo format error ...
case(130)
write (0,'("there are duplicated elements in coo format")')
write (0,'("and you have chosen psb_dupl_err_ ")')
case(134)
write (0,'("Invalid input format ",a3)')a_e_d(1:3)
case(135)
write (0,'("Format ",a3," not yet supported here")')a_e_d(1:3)
case(136)
write (0,'("Format ",a3," is unknown")')a_e_d(1:3)
case(140)
write (0,'("indices in input array are not within problem dimension ",2(i0,2x))')i_e_d(1:2)
case(150)
write (0,'("indices in input array are not belonging to the calling process ",i0)')i_e_d(1)
case(290)
write (0,'("To call this routine you must first call psb_geall on the same matrix")')
case(295)
write (0,'("To call this routine you must first call psb_spall on the same matrix")')
case(300)
write (0,'("Input argument n. ",i0," must be equal to entry n. ",i0," in array input argument n.",i0)') &
& i_e_d(1),i_e_d(4),i_e_d(3)
write (0,'("Current values are ",i0," != ",i0)')i_e_d(2), i_e_d(5)
case(400)
write (0,'("MPI error:",i0)')i_e_d(1)
case(550)
write (0,'("Parameter n. ",i0," must be equal on all BLACS processes. ",i0)')i_e_d(1)
case(570)
write (0,'("partition function passed as input argument n. ",i0," returns number of processes")')i_e_d(1)
write (0,'("greater than No of grid s processes on global point ",i0,". Actual number of grid s ")')i_e_d(4)
write (0,'("processes is ",i0,", number returned is ",i0)')i_e_d(2),i_e_d(3)
case(575)
write (0,'("partition function passed as input argument n. ",i0," returns number of processes")')i_e_d(1)
write (0,'("less or equal to 0 on global point ",i0,". Number returned is ",i0)')i_e_d(3),i_e_d(2)
case(580)
write (0,'("partition function passed as input argument n. ",i0," returns wrong processes identifier")')i_e_d(1)
write (0,'("on global point ",i0,". Current value returned is : ",i0)')i_e_d(3),i_e_d(2)
case(581)
write (0,'("Exactly one of the optional arguments ",a," must be present")')a_e_d
case(582)
write (0,'("Argument M is required when argument PARTS is specified")')
case(600)
write (0,'("Sparse Matrix and descriptors are in an invalid state for this subroutine call: ",i0)')i_e_d(1)
case (1122)
write (0,'("Invalid state for communication descriptor")')
case (1123)
write (0,'("Invalid combined state for A and DESC_A")')
case(1124:1999)
write (0,'("computational error. code: ",i0)')err_c
case(2010)
write (0,'("BLACS error. Number of processes=-1")')
case(2011)
write (0,'("Initialization error: not enough processes available in the parallel environment")')
case(2030)
write (0,'("BLACS ERROR: Number of grid columns must be equal to 1\nCurrent value is ",i4," != 1.")')i_e_d(1)
case(2231)
write (0,'("Invalid input state for matrix.")')
case(2232)
write (0,'("Input state for matrix is not adequate for regeneration.")')
case (2233:2999)
write(0,'("resource error. code: ",i0)')err_c
case(3000:3009)
write (0,'("sparse matrix representation ",a3," not yet implemented")')a_e_d(1:3)
case(3010)
write (0,'("Case lld not equal matrix_data[N_COL_] is not yet implemented.")')
case(3015)
write (0,'("transpose option for sparse matrix representation ",a3," not implemented")')a_e_d(1:3)
case(3020)
write (0,'("Case trans = C is not yet implemented.")')
case(3021)
write (0,'("Case trans /= N is not yet implemented.")')
case(3022)
write (0,'("Only unit diagonal so far for triangular matrices. ")')
case(3023)
write (0,'("Cases DESCRA(1:1)=S DESCRA(1:1)=T not yet implemented. ")')
case(3024)
write (0,'("Cases DESCRA(1:1)=G not yet implemented. ")')
case(3030)
write (0,'("Case ja/=ix or ia/=iy is not yet implemented.")')
case(3040)
write (0,'("Case ix /= 1 or iy /= 1 is not yet implemented.")')
case(3050)
write (0,'("Case ix /= iy is not yet implemented.")')
case(3060)
write (0,'("Case ix /= 1 is not yet implemented.")')
case(3070)
write (0,'("This operation is only implemented with no overlap.")')
case(3080)
write (0,'("Decompostion type ",i0," not yet supported.")')i_e_d(1)
case(3090)
write (0,'("Insert matrix mode not yet implemented.")')
case(3100)
write (0,'("Error on index. Element has not been inserted")')
write (0,'("local index is: ",i0," and global index is:",i0)')i_e_d(1:2)
case(3110)
write (0,'("Before you call this routine, you must assembly sparse matrix")')
case(3111:3999)
write(0,'("miscellaneus error. code: ",i0)')err_c
case(4000)
write(0,'("Allocation/deallocation error")')
case(4010)
write (0,'("Error from call to subroutine ",a)')a_e_d
case(4011)
write (0,'("Error from call to a subroutine ")')
case(4012)
write (0,'("Error ",i0," from call to a subroutine ")')i_e_d(1)
case(4013)
write (0,'("Error from call to subroutine ",a," ",i0)')a_e_d,i_e_d(1)
case(4025)
write (0,'("Error on allocation request for ",i0," items of type ",a)')i_e_d(1),a_e_d
case(4110)
write (0,'("Error ",i0," from call to an external package in subroutine ",a)')i_e_d(1),a_e_d
case (5001)
write (0,'("Invalid ISTOP: ",i0)')i_e_d(1)
case (5002)
write (0,'("Invalid PREC: ",i0)')i_e_d(1)
case (5003)
write (0,'("Invalid PREC: ",a3)')a_e_d(1:3)
case default
write(0,'("unknown error (",i0,") in subroutine ",a)')err_c,r_name
write(0,'(5(i0,2x))') i_e_d
write(0,'(a)') a_e_d
end select
end subroutine psb_errmsg
end module psb_error_mod