36 #include "qrm_common.h" 63 integer,
pointer :: cperm_in(:)
69 character(len=*),
parameter :: name=
'qrm_do_ordering' 73 call qrm_get(graph,
'qrm_ordering', iord)
90 if(.not.
associated(cperm_in))
then 95 __qrm_check_ret(name,
'qrm_check_perm',9999)
96 cperm(1:graph%n) = cperm_in(1:graph%n)
100 #if defined (have_colamd) 108 #if defined (have_metis) 116 #if defined (have_scotch) 123 call qrm_err_push(9,
'qrm_do_ordering',ied=(/iord, 0, 0, 0, 0/))
146 integer :: qrm_choose_ordering
163 qrm_choose_ordering = iord
integer, parameter qrm_given_
This module contains the interfaces of all non-typed routines.
subroutine qrm_err_push(code, sub, ied, aed)
This subroutine pushes an error on top of the stack.
subroutine _qrm_do_colamd(graph, cperm)
This subroutine computes the fill reducing ordering using COLAMD.
subroutine _qrm_do_ordering(graph, cperm, cperm_in)
This routine computes (through different methods) a column permutation of the input matrix in order t...
integer function qrm_choose_ordering()
integer, parameter qrm_scotch_
subroutine qrm_err_act_save(err_act)
Saves a copy of the qrm_err_act variable.
This module contains all the error management routines and data.
integer, parameter qrm_natural_
integer, parameter qrm_abort_
Possible actions to be performed upon detection of an error.
subroutine _qrm_do_metis(graph, cperm)
Please refer to:
This module contains the generic interfaces for all the analysis routines.
subroutine qrm_err_check()
This subroutine checks the errors stack. If something is found all the entries in the stack are poppe...
subroutine _qrm_do_scotch(graph, cperm)
Please refer to:
This type defines the data structure used to store a matrix.
integer, parameter qrm_metis_
This module contains the definition of the basic sparse matrix type and of the associated methods...
Generic interface for the ::qrm_check_cperm routine.
integer, parameter qrm_auto_
constants to set control parameters
Generif interface for the ::_qrm_pgeti, ::_qrm_pgetr and.
integer, parameter qrm_colamd_
This module implements the memory handling routines. Pretty mucch allocations and deallocations...
subroutine qrm_err_act_restore(err_act)
Restores the value of the qrm_err_act variable.