module psb_error_mod public psb_errpush, psb_error, psb_get_errstatus,& & psb_get_errverbosity, psb_set_errverbosity,psb_errcomm, & & psb_erractionsave, psb_erractionrestore, act_ret, act_abort, & & no_err, psb_get_erraction, psb_set_erraction interface psb_error module procedure psb_serror module procedure psb_perror end interface integer, parameter :: act_ret=0, act_abort=1, no_err=0 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=20) :: 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) :: error_stack ! the PSBLAS-2.0 error stack integer :: error_status=0 ! the error status (maybe not here) integer :: verbosity_level=1 ! the verbosity level (maybe not here) integer :: 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=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(icontxt, err) integer, intent(in) :: icontxt integer, intent(inout):: err integer :: temp(2) integer, parameter :: ione=1 call igamx2d(icontxt, 'A', ' ', ione, ione, err, ione,& &temp ,temp,-ione ,-ione,-ione) 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 subroutine psb_get_errverbosity(v) integer, intent(out) :: v v=verbosity_level end subroutine psb_get_errverbosity ! checks the status of the error condition subroutine psb_get_errstatus(s) integer, intent(out) :: s s=error_status end subroutine 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=20), intent(in) :: r_name character(len=20), 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, 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(icontxt) integer, intent(in) :: icontxt integer :: err_c character(len=20) :: r_name, a_e_d integer :: i_e_d(5) integer :: nprow, npcol, me, mypcol, temp(2) integer, parameter :: ione=1, izero=0 call blacs_gridinfo(icontxt, nprow, npcol, me, mypcol) 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 call blacs_abort(icontxt,-1) 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 call blacs_abort(icontxt,-1) end if end if if(error_status.gt.izero) then call blacs_abort(icontxt,err_c) 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, a_e_d integer :: i_e_d(5) integer :: nprow, npcol, me, mypcol, temp(2) 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, 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")') 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(2) write (0,'("current values are ",i0," < ",i0)') i_e_d(3),i_e_d(4) case(60) write (0,'("input argument n. ",i0," must be equal or greater than ",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,'("please set repflag flag to 2 or 3")') 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,'("Is not possible to call this routine without calling before psdalloc on the same matrix")') case(295) write (0,'("Is not possible to call this routine without calling before psdspalloc 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(600) write (0,'("Sparse Matrix and decsriptors are in an invalid state for this subroutine call: ",i0)')i_e_d(1) case (1122) write (0,'("Invalid state for DESC_A")') 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(2025) write (0,'("Cannot allocate ",i0," bytes")')i_e_d(1) 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 (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