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psblas3/base/psblas/psb_dnrmi.f90

126 lines
4.0 KiB
Fortran

!
! Parallel Sparse BLAS version 3.5
! (C) Copyright 2006-2018
! Salvatore Filippone
! Alfredo Buttari
!
! 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.
!
!
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! File: psb_dnrmi.f90
!
! Function: psb_dnrmi
! Computes the infinity norm of a sparse matrix,
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!
! nrmi := max_i(sum(abs(A(i,:))))
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!
! Arguments:
! a - type(psb_dspmat_type). The sparse matrix containing A.
! desc_a - type(psb_desc_type). The communication descriptor.
! info - integer. Return code
! global - logical(optional) Whether to perform the global reduction, default: .true.
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!
function psb_dnrmi(a,desc_a,info,global) result(res)
use psb_base_mod, psb_protect_name => psb_dnrmi
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implicit none
psblas3: base/comm/psb_dspgather.F90 base/modules/psb_c_linmap_mod.f90 base/modules/psb_c_mat_mod.f03 base/modules/psb_c_psblas_mod.f90 base/modules/psb_c_tools_mod.f90 base/modules/psb_comm_mod.f90 base/modules/psb_d_linmap_mod.f90 base/modules/psb_d_mat_mod.f03 base/modules/psb_d_psblas_mod.f90 base/modules/psb_d_tools_mod.f90 base/modules/psb_linmap_type_mod.f90 base/modules/psb_s_linmap_mod.f90 base/modules/psb_s_mat_mod.f03 base/modules/psb_s_psblas_mod.f90 base/modules/psb_s_tools_mod.f90 base/modules/psb_serial_mod.f90 base/modules/psb_z_linmap_mod.f90 base/modules/psb_z_mat_mod.f03 base/modules/psb_z_psblas_mod.f90 base/modules/psb_z_tools_mod.f90 base/psblas/psb_cnrmi.f90 base/psblas/psb_cspmm.f90 base/psblas/psb_cspsm.f90 base/psblas/psb_dnrmi.f90 base/psblas/psb_dspmm.f90 base/psblas/psb_dspnrm1.f90 base/psblas/psb_dspsm.f90 base/psblas/psb_snrmi.f90 base/psblas/psb_sspmm.f90 base/psblas/psb_sspsm.f90 base/psblas/psb_znrmi.f90 base/psblas/psb_zspmm.f90 base/psblas/psb_zspsm.f90 base/serial/f03/psb_c_mat_impl.F03 base/serial/f03/psb_d_mat_impl.F03 base/serial/f03/psb_s_mat_impl.F03 base/serial/f03/psb_z_mat_impl.F03 base/serial/psb_cnumbmm.f90 base/serial/psb_crwextd.f90 base/serial/psb_csymbmm.f90 base/serial/psb_dnumbmm.f90 base/serial/psb_drwextd.f90 base/serial/psb_dsymbmm.f90 base/serial/psb_snumbmm.f90 base/serial/psb_srwextd.f90 base/serial/psb_ssymbmm.f90 base/serial/psb_znumbmm.f90 base/serial/psb_zrwextd.f90 base/serial/psb_zsymbmm.f90 base/tools/psb_ccdbldext.F90 base/tools/psb_cspalloc.f90 base/tools/psb_cspasb.f90 base/tools/psb_cspfree.f90 base/tools/psb_csphalo.F90 base/tools/psb_cspins.f90 base/tools/psb_csprn.f90 base/tools/psb_dcdbldext.F90 base/tools/psb_dspalloc.f90 base/tools/psb_dspasb.f90 base/tools/psb_dspfree.f90 base/tools/psb_dsphalo.F90 base/tools/psb_dspins.f90 base/tools/psb_dsprn.f90 base/tools/psb_linmap.f90 base/tools/psb_scdbldext.F90 base/tools/psb_sspalloc.f90 base/tools/psb_sspasb.f90 base/tools/psb_sspfree.f90 base/tools/psb_ssphalo.F90 base/tools/psb_sspins.f90 base/tools/psb_ssprn.f90 base/tools/psb_zcdbldext.F90 base/tools/psb_zspalloc.f90 base/tools/psb_zspasb.f90 base/tools/psb_zspfree.f90 base/tools/psb_zsphalo.F90 base/tools/psb_zspins.f90 base/tools/psb_zsprn.f90 krylov/psb_c_inner_krylov_mod.f90 krylov/psb_cbicg.f90 krylov/psb_ccg.f90 krylov/psb_ccgs.f90 krylov/psb_ccgstab.f90 krylov/psb_ccgstabl.f90 krylov/psb_ckrylov.f90 krylov/psb_crgmres.f90 krylov/psb_d_inner_krylov_mod.f90 krylov/psb_dbicg.f90 krylov/psb_dcg.F90 krylov/psb_dcgs.f90 krylov/psb_dcgstab.F90 krylov/psb_dcgstabl.f90 krylov/psb_dkrylov.f90 krylov/psb_drgmres.f90 krylov/psb_krylov_mod.f90 krylov/psb_s_inner_krylov_mod.f90 krylov/psb_sbicg.f90 krylov/psb_scg.F90 krylov/psb_scgs.f90 krylov/psb_scgstab.F90 krylov/psb_scgstabl.f90 krylov/psb_skrylov.f90 krylov/psb_srgmres.f90 krylov/psb_z_inner_krylov_mod.f90 krylov/psb_zbicg.f90 krylov/psb_zcg.F90 krylov/psb_zcgs.f90 krylov/psb_zcgstab.f90 krylov/psb_zcgstabl.f90 krylov/psb_zkrylov.f90 krylov/psb_zrgmres.f90 prec/psb_c_base_prec_mod.f03 prec/psb_c_bjacprec.f03 prec/psb_c_diagprec.f03 prec/psb_c_nullprec.f03 prec/psb_c_prec_type.f03 prec/psb_cilu_fct.f90 prec/psb_cprecbld.f90 prec/psb_d_base_prec_mod.f03 prec/psb_d_bjacprec.f03 prec/psb_d_diagprec.f03 prec/psb_d_nullprec.f03 prec/psb_d_prec_type.f03 prec/psb_dilu_fct.f90 prec/psb_dprecbld.f90 prec/psb_prec_mod.f90 prec/psb_s_base_prec_mod.f03 prec/psb_s_bjacprec.f03 prec/psb_s_diagprec.f03 prec/psb_s_nullprec.f03 prec/psb_s_prec_type.f03 prec/psb_silu_fct.f90 prec/psb_sprecbld.f90 prec/psb_z_base_prec_mod.f03 prec/psb_z_bjacprec.f03 prec/psb_z_diagprec.f03 prec/psb_z_nullprec.f03 prec/psb_z_prec_type.f03 prec/psb_zilu_fct.f90 prec/psb_zprecbld.f90 test/fileread/cf_sample.f90 test/fileread/df_sample.f90 test/fileread/sf_sample.f90 test/fileread/zf_sample.f90 test/pargen/ppde.f90 test/pargen/spde.f90 test/serial/d_coo_matgen.f03 test/serial/d_matgen.f03 test/torture/psb_c_mvsv_tester.f90 test/torture/psb_d_mvsv_tester.f90 test/torture/psb_s_mvsv_tester.f90 test/torture/psb_z_mvsv_tester.f90 test/util/dhb2mm.f90 test/util/dmm2hb.f90 test/util/zhb2mm.f90 test/util/zmm2hb.f90 util/psb_hbio_impl.f90 util/psb_hbio_mod.f90 util/psb_mat_dist_impl.f90 util/psb_mat_dist_mod.f90 util/psb_metispart_mod.F90 util/psb_mmio_impl.f90 util/psb_mmio_mod.f90 Revised name of outer sparse type to be backward-compatible.
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type(psb_dspmat_type), intent(in) :: a
integer(psb_ipk_), intent(out) :: info
type(psb_desc_type), intent(in) :: desc_a
real(psb_dpk_) :: res
logical, intent(in), optional :: global
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! locals
type(psb_ctxt_type) :: ctxt
integer(psb_ipk_) :: np, me,&
& err_act, iia, jja, mdim, ndim
integer(psb_lpk_) :: m, n, ia, ja
logical :: global_
character(len=20) :: name, ch_err
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name='psb_dnrmi'
info=psb_success_
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call psb_erractionsave(err_act)
if (psb_errstatus_fatal()) then
info = psb_err_internal_error_ ; goto 9999
end if
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ctxt=desc_a%get_context()
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call psb_info(ctxt, me, np)
if (np == -1) then
psblas3: base/comm/psb_cgather.f90 base/comm/psb_chalo.f90 base/comm/psb_covrl.f90 base/comm/psb_cscatter.F90 base/comm/psb_dgather.f90 base/comm/psb_dhalo.f90 base/comm/psb_dovrl.f90 base/comm/psb_dscatter.F90 base/comm/psb_igather.f90 base/comm/psb_ihalo.f90 base/comm/psb_iovrl.f90 base/comm/psb_iscatter.F90 base/comm/psb_sgather.f90 base/comm/psb_shalo.f90 base/comm/psb_sovrl.f90 base/comm/psb_sscatter.F90 base/comm/psb_zgather.f90 base/comm/psb_zhalo.f90 base/comm/psb_zovrl.f90 base/comm/psb_zscatter.F90 base/internals/psi_bld_g2lmap.f90 base/internals/psi_bld_tmphalo.f90 base/internals/psi_bld_tmpovrl.f90 base/internals/psi_compute_size.f90 base/internals/psi_crea_index.f90 base/internals/psi_cswapdata.F90 base/internals/psi_cswaptran.F90 base/internals/psi_desc_index.F90 base/internals/psi_dswapdata.F90 base/internals/psi_dswaptran.F90 base/internals/psi_fnd_owner.F90 base/internals/psi_iswapdata.F90 base/internals/psi_iswaptran.F90 base/internals/psi_ldsc_pre_halo.f90 base/internals/psi_sswapdata.F90 base/internals/psi_sswaptran.F90 base/internals/psi_zswapdata.F90 base/internals/psi_zswaptran.F90 base/modules/psb_const_mod.F90 base/modules/psb_desc_type.f90 base/modules/psb_error_mod.F90 base/psblas/psb_camax.f90 base/psblas/psb_casum.f90 base/psblas/psb_caxpby.f90 base/psblas/psb_cdot.f90 base/psblas/psb_cnrm2.f90 base/psblas/psb_cnrmi.f90 base/psblas/psb_cspmm.f90 base/psblas/psb_cspsm.f90 base/psblas/psb_damax.f90 base/psblas/psb_dasum.f90 base/psblas/psb_daxpby.f90 base/psblas/psb_ddot.f90 base/psblas/psb_dnrm2.f90 base/psblas/psb_dnrmi.f90 base/psblas/psb_dspmm.f90 base/psblas/psb_dspsm.f90 base/psblas/psb_samax.f90 base/psblas/psb_sasum.f90 base/psblas/psb_saxpby.f90 base/psblas/psb_sdot.f90 base/psblas/psb_snrm2.f90 base/psblas/psb_snrmi.f90 base/psblas/psb_sspmm.f90 base/psblas/psb_sspsm.f90 base/psblas/psb_sxdot.f90 base/psblas/psb_zamax.f90 base/psblas/psb_zasum.f90 base/psblas/psb_zaxpby.f90 base/psblas/psb_zdot.f90 base/psblas/psb_znrm2.f90 base/psblas/psb_znrmi.f90 base/psblas/psb_zspmm.f90 base/psblas/psb_zspsm.f90 base/serial/psi_impl.f90 base/tools/psb_callc.f90 base/tools/psb_casb.f90 base/tools/psb_cdcpy.f90 base/tools/psb_cdren.f90 base/tools/psb_cfree.f90 base/tools/psb_cins.f90 base/tools/psb_cspalloc.f90 base/tools/psb_cspasb.f90 base/tools/psb_dallc.f90 base/tools/psb_dasb.f90 base/tools/psb_dfree.f90 base/tools/psb_dins.f90 base/tools/psb_dspalloc.f90 base/tools/psb_dspasb.f90 base/tools/psb_ialloc.f90 base/tools/psb_iasb.f90 base/tools/psb_icdasb.F90 base/tools/psb_ifree.f90 base/tools/psb_iins.f90 base/tools/psb_sallc.f90 base/tools/psb_sasb.f90 base/tools/psb_sfree.f90 base/tools/psb_sins.f90 base/tools/psb_sspalloc.f90 base/tools/psb_sspasb.f90 base/tools/psb_zallc.f90 base/tools/psb_zasb.f90 base/tools/psb_zfree.f90 base/tools/psb_zins.f90 base/tools/psb_zspalloc.f90 base/tools/psb_zspasb.f90 test/serial/Makefile test/serial/d_coo_matgen.f03 Fix blacs_error into context_error
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info = psb_err_context_error_
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call psb_errpush(info,name)
goto 9999
endif
if (present(global)) then
global_ = global
else
global_ = .true.
end if
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ia = 1
ja = 1
m = desc_a%get_global_rows()
n = desc_a%get_global_cols()
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call psb_chkmat(m,n,ia,ja,desc_a,info,iia,jja)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_chkmat'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
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end if
if ((iia /= 1).or.(jja /= 1)) then
info=psb_err_ix_n1_iy_n1_unsupported_
call psb_errpush(info,name)
goto 9999
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end if
if ((m /= 0).and.(n /= 0)) then
res = a%spnmi()
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_dnrmi'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
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else
res = dzero
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end if
! compute global max
if (global_) call psb_amx(ctxt, res)
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call psb_erractionrestore(err_act)
return
9999 call psb_error_handler(ctxt,err_act)
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return
end function psb_dnrmi