!!$ !!$ Parallel Sparse BLAS version 2.2 !!$ (C) Copyright 2006/2007/2008 !!$ 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_ialloc.f90 ! ! Function: psb_ialloc ! Allocates dense integer matrix for PSBLAS routines ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x - the matrix to be allocated. ! desc_a - the communication descriptor. ! info - possibly returns an error code ! n - optional number of columns. ! lb - optional lower bound on column indices subroutine psb_ialloc(x, desc_a, info, n, lb) use psb_sparse_mod, psb_protect_name => psb_ialloc implicit none !....parameters... integer, allocatable, intent(out) :: x(:,:) type(psb_desc_type), intent(in) :: desc_a integer, intent(out) :: info integer, optional, intent(in) :: n, lb !locals integer :: np,me,err,nr,i,j,err_act integer :: ictxt,n_ integer :: int_err(5), exch(3) character(len=20) :: name name='psb_geall' if(psb_get_errstatus() /= 0) return info=psb_success_ err=0 int_err(1)=0 call psb_erractionsave(err_act) ictxt=psb_cd_get_context(desc_a) call psb_info(ictxt, me, np) if (np == -1) then info = psb_err_blacs_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.psb_is_ok_desc(desc_a)) then info = psb_err_input_matrix_unassembled_ call psb_errpush(info,name) goto 9999 endif if (present(n)) then n_ = n else n_ = 1 endif !global check on n parameters if (me == psb_root_) then exch(1)=n_ call psb_bcast(ictxt,exch(1),root=psb_root_) else call psb_bcast(ictxt,exch(1),root=psb_root_) if (exch(1) /= n_) then info=psb_err_parm_differs_among_procs_ int_err(1)=1 call psb_errpush(info,name,int_err) goto 9999 endif endif !....allocate x ..... if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then nr = max(1,psb_cd_get_local_cols(desc_a)) else if (psb_is_bld_desc(desc_a)) then nr = max(1,psb_cd_get_local_rows(desc_a)) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif call psb_realloc(nr,n_,x,info,lb2=lb) if (info /= psb_success_) then info=psb_err_alloc_request_ int_err(1)=nr*n_ call psb_errpush(info,name,int_err,a_err='integer') goto 9999 endif x(:,:) = izero call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_ialloc !!$ !!$ Parallel Sparse BLAS version 2.2 !!$ (C) Copyright 2006/2007/2008 !!$ 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. !!$ !!$ ! Function: psb_iallocv ! Allocates dense matrix for PSBLAS routines ! The descriptor may be in either the build or assembled state. ! ! Arguments: ! x(:) - the matrix to be allocated. ! desc_a - the communication descriptor. ! info - return code subroutine psb_iallocv(x, desc_a, info,n) use psb_sparse_mod, psb_protect_name => psb_iallocv implicit none !....parameters... integer, allocatable, intent(out) :: x(:) type(psb_desc_type), intent(in) :: desc_a integer, intent(out) :: info integer, optional, intent(in) :: n !locals integer :: np,me,nr,i,err_act integer :: ictxt, int_err(5) integer :: debug_level, debug_unit character(len=20) :: name if(psb_get_errstatus() /= 0) return info=psb_success_ name='psb_geall' call psb_erractionsave(err_act) debug_unit = psb_get_debug_unit() debug_level = psb_get_debug_level() ictxt=psb_cd_get_context(desc_a) call psb_info(ictxt, me, np) ! ....verify blacs grid correctness.. if (np == -1) then info = psb_err_blacs_error_ call psb_errpush(info,name) goto 9999 endif !... check m and n parameters.... if (.not.psb_is_ok_desc(desc_a)) then info = psb_err_input_matrix_unassembled_ call psb_errpush(info,name) goto 9999 endif ! As this is a rank-1 array, optional parameter N is actually ignored. !....allocate x ..... if (psb_is_asb_desc(desc_a).or.psb_is_upd_desc(desc_a)) then nr = max(1,psb_cd_get_local_cols(desc_a)) else if (psb_is_bld_desc(desc_a)) then nr = max(1,psb_cd_get_local_rows(desc_a)) else info = psb_err_internal_error_ call psb_errpush(info,name,int_err,a_err='Invalid desc_a') goto 9999 endif call psb_realloc(nr,x,info) if (info /= psb_success_) then info=psb_err_alloc_request_ int_err(1)=nr call psb_errpush(info,name,int_err,a_err='integer') goto 9999 endif x(:) = izero call psb_erractionrestore(err_act) return 9999 continue call psb_erractionrestore(err_act) if (err_act == psb_act_abort_) then call psb_error(ictxt) return end if return end subroutine psb_iallocv