!!$ !!$ 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. !!$ !!$ ! File: psb_dasb.f90 ! ! Subroutine: psb_dasb ! Assembles a dense matrix for PSBLAS routines. ! Since the allocation may have been called with the desciptor ! in the build state we make sure that X has a number of rows ! allowing for the halo indices, reallocating if necessary. ! We also call the halo routine for good measure. ! ! Parameters: ! x(:,:) - real,allocatable The matrix to be assembled. ! desc_a - type(). The communication descriptor. ! info - integer. return code subroutine psb_dasb(x, desc_a, info) !....assembly dense matrix x ..... use psb_descriptor_type use psb_const_mod use psb_comm_mod use psb_error_mod use psb_realloc_mod use psb_penv_mod implicit none type(psb_desc_type), intent(in) :: desc_a real(kind(1.d0)), allocatable, intent(inout) :: x(:,:) integer, intent(out) :: info ! local variables integer :: ictxt,np,me,nrow,ncol, err_act integer :: int_err(5), i1sz, i2sz real(kind(1.d0)),parameter :: one=1 logical, parameter :: debug=.false. character(len=20) :: name, ch_err if(psb_get_errstatus() /= 0) return info=0 name='psb_dasb' call psb_erractionsave(err_act) if ((.not.allocated(desc_a%matrix_data))) then info=3110 call psb_errpush(info,name) goto 9999 endif ictxt = psb_cd_get_context(desc_a) call psb_info(ictxt, me, np) if (debug) write(*,*) 'asb start: ',np,me,& & psb_cd_get_dectype(desc_a) ! ....verify blacs grid correctness.. if (np == -1) then info = 2010 call psb_errpush(info,name) goto 9999 else if (.not.psb_is_asb_desc(desc_a)) then if (debug) write(*,*) 'asb error ',& & psb_cd_get_dectype(desc_a) info = 3110 call psb_errpush(info,name) goto 9999 endif ! check size ictxt = psb_cd_get_context(desc_a) nrow = psb_cd_get_local_rows(desc_a) ncol = psb_cd_get_local_cols(desc_a) i1sz = size(x,dim=1) i2sz = size(x,dim=2) if (debug) write(*,*) 'asb: ',i1sz,i2sz,nrow,ncol if (i1sz < ncol) then call psb_realloc(ncol,i2sz,x,info) if (info /= 0) then info=4010 call psb_errpush(info,name,a_err='psb_realloc') goto 9999 endif endif ! ..update halo elements.. call psb_halo(x,desc_a,info) if(info /= 0) then info=4010 ch_err='psb_halo' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if 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_dasb !!$ !!$ 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. !!$ !!$ ! Subroutine: psb_dasb ! Assembles a dense matrix for PSBLAS routines ! Since the allocation may have been called with the desciptor ! in the build state we make sure that X has a number of rows ! allowing for the halo indices, reallocating if necessary. ! We also call the halo routine for good measure. ! ! Parameters: ! x(:) - real,allocatable The matrix to be assembled. ! desc_a - type(). The communication descriptor. ! info - integer. Return code subroutine psb_dasbv(x, desc_a, info) !....assembly dense matrix x ..... use psb_descriptor_type use psb_const_mod use psb_comm_mod use psb_error_mod use psb_realloc_mod use psb_penv_mod implicit none type(psb_desc_type), intent(in) :: desc_a real(kind(1.d0)), allocatable, intent(inout) :: x(:) integer, intent(out) :: info ! local variables integer :: ictxt,np,me integer :: int_err(5), i1sz,nrow,ncol, err_act real(kind(1.d0)),parameter :: one=1 logical, parameter :: debug=.false. character(len=20) :: name,ch_err info = 0 int_err(1) = 0 name = 'psb_dasbv' ictxt = psb_cd_get_context(desc_a) call psb_info(ictxt, me, np) ! ....verify blacs grid correctness.. if (np == -1) then info = 2010 call psb_errpush(info,name) goto 9999 else if (.not.psb_is_asb_desc(desc_a)) then info = 3110 call psb_errpush(info,name) goto 9999 endif nrow = psb_cd_get_local_rows(desc_a) ncol = psb_cd_get_local_cols(desc_a) if (debug) write(*,*) name,' sizes: ',nrow,ncol i1sz = size(x) if (debug) write(*,*) 'dasb: sizes ',i1sz,ncol if (i1sz < ncol) then call psb_realloc(ncol,x,info) if (info /= 0) then info=4010 call psb_errpush(info,name,a_err='psb_realloc') goto 9999 endif endif ! ..update halo elements.. call psb_halo(x,desc_a,info) if(info /= 0) then info=4010 ch_err='f90_pshalo' call psb_errpush(info,name,a_err=ch_err) goto 9999 end if 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_dasbv