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amg4psblas/mlprec/archive/mld_s_ilu_solver_impl.f90

529 lines
16 KiB
Fortran

!!$
!!$
!!$ MLD2P4 version 2.0
!!$ MultiLevel Domain Decomposition Parallel Preconditioners Package
!!$ based on PSBLAS (Parallel Sparse BLAS version 3.0)
!!$
mld2p4-2: examples/fileread/data_input.f90 examples/fileread/mld_cexample_1lev.f90 examples/fileread/mld_cexample_ml.f90 examples/fileread/mld_dexample_1lev.f90 examples/fileread/mld_dexample_ml.f90 examples/fileread/mld_sexample_1lev.f90 examples/fileread/mld_sexample_ml.f90 examples/fileread/mld_zexample_1lev.f90 examples/fileread/mld_zexample_ml.f90 examples/pdegen/data_input.f90 examples/pdegen/mld_dexample_1lev.f90 examples/pdegen/mld_dexample_ml.f90 examples/pdegen/mld_sexample_1lev.f90 examples/pdegen/mld_sexample_ml.f90 mlprec/archive/mld_c_as_smoother_impl.f90 mlprec/archive/mld_c_base_smoother_impl.f90 mlprec/archive/mld_c_diag_solver_impl.f90 mlprec/archive/mld_c_id_solver_impl.f90 mlprec/archive/mld_c_ilu_solver_impl.f90 mlprec/archive/mld_c_jac_smoother_impl.f90 mlprec/archive/mld_c_onelev_impl.f90 mlprec/archive/mld_d_as_smoother_impl.f90 mlprec/archive/mld_d_base_smoother_impl.f90 mlprec/archive/mld_d_diag_solver_impl.f90 mlprec/archive/mld_d_id_solver_impl.f90 mlprec/archive/mld_d_ilu_solver_impl.f90 mlprec/archive/mld_d_jac_smoother_impl.f90 mlprec/archive/mld_d_onelev_impl.f90 mlprec/archive/mld_s_as_smoother_impl.f90 mlprec/archive/mld_s_base_smoother_impl.f90 mlprec/archive/mld_s_diag_solver_impl.f90 mlprec/archive/mld_s_id_solver_impl.f90 mlprec/archive/mld_s_ilu_solver_impl.f90 mlprec/archive/mld_s_jac_smoother_impl.f90 mlprec/archive/mld_s_onelev_impl.f90 mlprec/archive/mld_z_as_smoother_impl.f90 mlprec/archive/mld_z_base_smoother_impl.f90 mlprec/archive/mld_z_diag_solver_impl.f90 mlprec/archive/mld_z_id_solver_impl.f90 mlprec/archive/mld_z_ilu_solver_impl.f90 mlprec/archive/mld_z_jac_smoother_impl.f90 mlprec/impl/level/mld_c_base_onelev_check.f90 mlprec/impl/level/mld_c_base_onelev_csetc.f90 mlprec/impl/level/mld_c_base_onelev_cseti.f90 mlprec/impl/level/mld_c_base_onelev_csetr.f90 mlprec/impl/level/mld_c_base_onelev_descr.f90 mlprec/impl/level/mld_c_base_onelev_dump.f90 mlprec/impl/level/mld_c_base_onelev_free.f90 mlprec/impl/level/mld_c_base_onelev_setc.f90 mlprec/impl/level/mld_c_base_onelev_seti.f90 mlprec/impl/level/mld_c_base_onelev_setr.f90 mlprec/impl/level/mld_d_base_onelev_check.f90 mlprec/impl/level/mld_d_base_onelev_csetc.f90 mlprec/impl/level/mld_d_base_onelev_cseti.f90 mlprec/impl/level/mld_d_base_onelev_csetr.f90 mlprec/impl/level/mld_d_base_onelev_descr.f90 mlprec/impl/level/mld_d_base_onelev_dump.f90 mlprec/impl/level/mld_d_base_onelev_free.f90 mlprec/impl/level/mld_d_base_onelev_setc.f90 mlprec/impl/level/mld_d_base_onelev_seti.f90 mlprec/impl/level/mld_d_base_onelev_setr.f90 mlprec/impl/level/mld_s_base_onelev_check.f90 mlprec/impl/level/mld_s_base_onelev_csetc.f90 mlprec/impl/level/mld_s_base_onelev_cseti.f90 mlprec/impl/level/mld_s_base_onelev_csetr.f90 mlprec/impl/level/mld_s_base_onelev_descr.f90 mlprec/impl/level/mld_s_base_onelev_dump.f90 mlprec/impl/level/mld_s_base_onelev_free.f90 mlprec/impl/level/mld_s_base_onelev_setc.f90 mlprec/impl/level/mld_s_base_onelev_seti.f90 mlprec/impl/level/mld_s_base_onelev_setr.f90 mlprec/impl/level/mld_z_base_onelev_check.f90 mlprec/impl/level/mld_z_base_onelev_csetc.f90 mlprec/impl/level/mld_z_base_onelev_cseti.f90 mlprec/impl/level/mld_z_base_onelev_csetr.f90 mlprec/impl/level/mld_z_base_onelev_descr.f90 mlprec/impl/level/mld_z_base_onelev_dump.f90 mlprec/impl/level/mld_z_base_onelev_free.f90 mlprec/impl/level/mld_z_base_onelev_setc.f90 mlprec/impl/level/mld_z_base_onelev_seti.f90 mlprec/impl/level/mld_z_base_onelev_setr.f90 mlprec/impl/mld_c_dec_map_bld.f90 mlprec/impl/mld_caggrmap_bld.f90 mlprec/impl/mld_caggrmat_asb.f90 mlprec/impl/mld_caggrmat_biz_asb.f90 mlprec/impl/mld_caggrmat_minnrg_asb.f90 mlprec/impl/mld_caggrmat_nosmth_asb.f90 mlprec/impl/mld_caggrmat_smth_asb.f90 mlprec/impl/mld_ccoarse_bld.f90 mlprec/impl/mld_ccprecset.F90 mlprec/impl/mld_cilu0_fact.f90 mlprec/impl/mld_ciluk_fact.f90 mlprec/impl/mld_cilut_fact.f90 mlprec/impl/mld_cmlprec_aply.f90 mlprec/impl/mld_cmlprec_bld.f90 mlprec/impl/mld_cprecaply.f90 mlprec/impl/mld_cprecbld.f90 mlprec/impl/mld_cprecinit.F90 mlprec/impl/mld_cprecset.F90 mlprec/impl/mld_cslu_bld.f90 mlprec/impl/mld_cslu_interface.c mlprec/impl/mld_cslud_bld.f90 mlprec/impl/mld_cslud_interface.c mlprec/impl/mld_csp_renum.f90 mlprec/impl/mld_cumf_interface.c mlprec/impl/mld_d_dec_map_bld.f90 mlprec/impl/mld_daggrmap_bld.f90 mlprec/impl/mld_daggrmat_asb.f90 mlprec/impl/mld_daggrmat_biz_asb.f90 mlprec/impl/mld_daggrmat_minnrg_asb.f90 mlprec/impl/mld_daggrmat_nosmth_asb.f90 mlprec/impl/mld_daggrmat_smth_asb.f90 mlprec/impl/mld_dcoarse_bld.f90 mlprec/impl/mld_dcprecset.F90 mlprec/impl/mld_dilu0_fact.f90 mlprec/impl/mld_diluk_fact.f90 mlprec/impl/mld_dilut_fact.f90 mlprec/impl/mld_dmlprec_aply.f90 mlprec/impl/mld_dmlprec_bld.f90 mlprec/impl/mld_dprecaply.f90 mlprec/impl/mld_dprecbld.f90 mlprec/impl/mld_dprecinit.F90 mlprec/impl/mld_dprecset.F90 mlprec/impl/mld_dslu_bld.f90 mlprec/impl/mld_dslu_interface.c mlprec/impl/mld_dslud_bld.f90 mlprec/impl/mld_dslud_interface.c mlprec/impl/mld_dsp_renum.f90 mlprec/impl/mld_dumf_interface.c mlprec/impl/mld_s_dec_map_bld.f90 mlprec/impl/mld_saggrmap_bld.f90 mlprec/impl/mld_saggrmat_asb.f90 mlprec/impl/mld_saggrmat_biz_asb.f90 mlprec/impl/mld_saggrmat_minnrg_asb.f90 mlprec/impl/mld_saggrmat_nosmth_asb.f90 mlprec/impl/mld_saggrmat_smth_asb.f90 mlprec/impl/mld_scoarse_bld.f90 mlprec/impl/mld_scprecset.F90 mlprec/impl/mld_silu0_fact.f90 mlprec/impl/mld_siluk_fact.f90 mlprec/impl/mld_silut_fact.f90 mlprec/impl/mld_smlprec_aply.f90 mlprec/impl/mld_smlprec_bld.f90 mlprec/impl/mld_sprecaply.f90 mlprec/impl/mld_sprecbld.f90 mlprec/impl/mld_sprecinit.F90 mlprec/impl/mld_sprecset.F90 mlprec/impl/mld_sslu_bld.f90 mlprec/impl/mld_sslu_interface.c mlprec/impl/mld_sslud_bld.f90 mlprec/impl/mld_sslud_interface.c mlprec/impl/mld_ssp_renum.f90 mlprec/impl/mld_sumf_interface.c mlprec/impl/mld_z_dec_map_bld.f90 mlprec/impl/mld_z_onelev_impl.f90 mlprec/impl/mld_zaggrmap_bld.f90 mlprec/impl/mld_zaggrmat_asb.f90 mlprec/impl/mld_zaggrmat_biz_asb.f90 mlprec/impl/mld_zaggrmat_minnrg_asb.f90 mlprec/impl/mld_zaggrmat_nosmth_asb.f90 mlprec/impl/mld_zaggrmat_smth_asb.f90 mlprec/impl/mld_zcoarse_bld.f90 mlprec/impl/mld_zcprecset.F90 mlprec/impl/mld_zilu0_fact.f90 mlprec/impl/mld_ziluk_fact.f90 mlprec/impl/mld_zilut_fact.f90 mlprec/impl/mld_zmlprec_aply.f90 mlprec/impl/mld_zmlprec_bld.f90 mlprec/impl/mld_zprecaply.f90 mlprec/impl/mld_zprecbld.f90 mlprec/impl/mld_zprecinit.F90 mlprec/impl/mld_zprecset.F90 mlprec/impl/mld_zslu_bld.f90 mlprec/impl/mld_zslu_interface.c mlprec/impl/mld_zslud_bld.f90 mlprec/impl/mld_zslud_interface.c mlprec/impl/mld_zsp_renum.f90 mlprec/impl/mld_zumf_interface.c mlprec/impl/smoother/mld_c_as_smoother_apply.f90 mlprec/impl/smoother/mld_c_as_smoother_apply_vect.f90 mlprec/impl/smoother/mld_c_as_smoother_bld.f90 mlprec/impl/smoother/mld_c_as_smoother_check.f90 mlprec/impl/smoother/mld_c_as_smoother_clone.f90 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mlprec/impl/smoother/mld_c_base_smoother_seti.f90 mlprec/impl/smoother/mld_c_base_smoother_setr.f90 mlprec/impl/smoother/mld_c_jac_smoother_apply.f90 mlprec/impl/smoother/mld_c_jac_smoother_apply_vect.f90 mlprec/impl/smoother/mld_c_jac_smoother_bld.f90 mlprec/impl/smoother/mld_c_jac_smoother_clone.f90 mlprec/impl/smoother/mld_d_as_smoother_apply.f90 mlprec/impl/smoother/mld_d_as_smoother_apply_vect.f90 mlprec/impl/smoother/mld_d_as_smoother_bld.f90 mlprec/impl/smoother/mld_d_as_smoother_check.f90 mlprec/impl/smoother/mld_d_as_smoother_clone.f90 mlprec/impl/smoother/mld_d_as_smoother_csetc.f90 mlprec/impl/smoother/mld_d_as_smoother_cseti.f90 mlprec/impl/smoother/mld_d_as_smoother_csetr.f90 mlprec/impl/smoother/mld_d_as_smoother_dmp.f90 mlprec/impl/smoother/mld_d_as_smoother_free.f90 mlprec/impl/smoother/mld_d_as_smoother_setc.f90 mlprec/impl/smoother/mld_d_as_smoother_seti.f90 mlprec/impl/smoother/mld_d_as_smoother_setr.f90 mlprec/impl/smoother/mld_d_base_smoother_apply.f90 mlprec/impl/smoother/mld_d_base_smoother_apply_vect.f90 mlprec/impl/smoother/mld_d_base_smoother_bld.f90 mlprec/impl/smoother/mld_d_base_smoother_check.f90 mlprec/impl/smoother/mld_d_base_smoother_clone.f90 mlprec/impl/smoother/mld_d_base_smoother_csetc.f90 mlprec/impl/smoother/mld_d_base_smoother_cseti.f90 mlprec/impl/smoother/mld_d_base_smoother_csetr.f90 mlprec/impl/smoother/mld_d_base_smoother_descr.f90 mlprec/impl/smoother/mld_d_base_smoother_dmp.f90 mlprec/impl/smoother/mld_d_base_smoother_free.f90 mlprec/impl/smoother/mld_d_base_smoother_setc.f90 mlprec/impl/smoother/mld_d_base_smoother_seti.f90 mlprec/impl/smoother/mld_d_base_smoother_setr.f90 mlprec/impl/smoother/mld_d_jac_smoother_apply.f90 mlprec/impl/smoother/mld_d_jac_smoother_apply_vect.f90 mlprec/impl/smoother/mld_d_jac_smoother_bld.f90 mlprec/impl/smoother/mld_d_jac_smoother_clone.f90 mlprec/impl/smoother/mld_s_as_smoother_apply.f90 mlprec/impl/smoother/mld_s_as_smoother_apply_vect.f90 mlprec/impl/smoother/mld_s_as_smoother_bld.f90 mlprec/impl/smoother/mld_s_as_smoother_check.f90 mlprec/impl/smoother/mld_s_as_smoother_clone.f90 mlprec/impl/smoother/mld_s_as_smoother_csetc.f90 mlprec/impl/smoother/mld_s_as_smoother_cseti.f90 mlprec/impl/smoother/mld_s_as_smoother_csetr.f90 mlprec/impl/smoother/mld_s_as_smoother_dmp.f90 mlprec/impl/smoother/mld_s_as_smoother_free.f90 mlprec/impl/smoother/mld_s_as_smoother_setc.f90 mlprec/impl/smoother/mld_s_as_smoother_seti.f90 mlprec/impl/smoother/mld_s_as_smoother_setr.f90 mlprec/impl/smoother/mld_s_base_smoother_apply.f90 mlprec/impl/smoother/mld_s_base_smoother_apply_vect.f90 mlprec/impl/smoother/mld_s_base_smoother_bld.f90 mlprec/impl/smoother/mld_s_base_smoother_check.f90 mlprec/impl/smoother/mld_s_base_smoother_clone.f90 mlprec/impl/smoother/mld_s_base_smoother_csetc.f90 mlprec/impl/smoother/mld_s_base_smoother_cseti.f90 mlprec/impl/smoother/mld_s_base_smoother_csetr.f90 mlprec/impl/smoother/mld_s_base_smoother_descr.f90 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mlprec/impl/solver/mld_c_id_solver_clone.f90 mlprec/impl/solver/mld_c_ilu_solver_apply.f90 mlprec/impl/solver/mld_c_ilu_solver_apply_vect.f90 mlprec/impl/solver/mld_c_ilu_solver_bld.f90 mlprec/impl/solver/mld_c_ilu_solver_clone.f90 mlprec/impl/solver/mld_c_ilu_solver_dmp.f90 mlprec/impl/solver/mld_d_base_solver_apply.f90 mlprec/impl/solver/mld_d_base_solver_apply_vect.f90 mlprec/impl/solver/mld_d_base_solver_bld.f90 mlprec/impl/solver/mld_d_base_solver_check.f90 mlprec/impl/solver/mld_d_base_solver_clone.f90 mlprec/impl/solver/mld_d_base_solver_csetc.f90 mlprec/impl/solver/mld_d_base_solver_cseti.f90 mlprec/impl/solver/mld_d_base_solver_csetr.f90 mlprec/impl/solver/mld_d_base_solver_descr.f90 mlprec/impl/solver/mld_d_base_solver_dmp.f90 mlprec/impl/solver/mld_d_base_solver_free.f90 mlprec/impl/solver/mld_d_base_solver_setc.f90 mlprec/impl/solver/mld_d_base_solver_seti.f90 mlprec/impl/solver/mld_d_base_solver_setr.f90 mlprec/impl/solver/mld_d_diag_solver_apply.f90 mlprec/impl/solver/mld_d_diag_solver_apply_vect.f90 mlprec/impl/solver/mld_d_diag_solver_bld.f90 mlprec/impl/solver/mld_d_diag_solver_clone.f90 mlprec/impl/solver/mld_d_id_solver_apply.f90 mlprec/impl/solver/mld_d_id_solver_apply_vect.f90 mlprec/impl/solver/mld_d_id_solver_clone.f90 mlprec/impl/solver/mld_d_ilu_solver_apply.f90 mlprec/impl/solver/mld_d_ilu_solver_apply_vect.f90 mlprec/impl/solver/mld_d_ilu_solver_bld.f90 mlprec/impl/solver/mld_d_ilu_solver_clone.f90 mlprec/impl/solver/mld_d_ilu_solver_dmp.f90 mlprec/impl/solver/mld_s_base_solver_apply.f90 mlprec/impl/solver/mld_s_base_solver_apply_vect.f90 mlprec/impl/solver/mld_s_base_solver_bld.f90 mlprec/impl/solver/mld_s_base_solver_check.f90 mlprec/impl/solver/mld_s_base_solver_clone.f90 mlprec/impl/solver/mld_s_base_solver_csetc.f90 mlprec/impl/solver/mld_s_base_solver_cseti.f90 mlprec/impl/solver/mld_s_base_solver_csetr.f90 mlprec/impl/solver/mld_s_base_solver_descr.f90 mlprec/impl/solver/mld_s_base_solver_dmp.f90 mlprec/impl/solver/mld_s_base_solver_free.f90 mlprec/impl/solver/mld_s_base_solver_setc.f90 mlprec/impl/solver/mld_s_base_solver_seti.f90 mlprec/impl/solver/mld_s_base_solver_setr.f90 mlprec/impl/solver/mld_s_diag_solver_apply.f90 mlprec/impl/solver/mld_s_diag_solver_apply_vect.f90 mlprec/impl/solver/mld_s_diag_solver_bld.f90 mlprec/impl/solver/mld_s_diag_solver_clone.f90 mlprec/impl/solver/mld_s_id_solver_apply.f90 mlprec/impl/solver/mld_s_id_solver_apply_vect.f90 mlprec/impl/solver/mld_s_id_solver_clone.f90 mlprec/impl/solver/mld_s_ilu_solver_apply.f90 mlprec/impl/solver/mld_s_ilu_solver_apply_vect.f90 mlprec/impl/solver/mld_s_ilu_solver_bld.f90 mlprec/impl/solver/mld_s_ilu_solver_clone.f90 mlprec/impl/solver/mld_s_ilu_solver_dmp.f90 mlprec/impl/solver/mld_z_base_solver_apply.f90 mlprec/impl/solver/mld_z_base_solver_apply_vect.f90 mlprec/impl/solver/mld_z_base_solver_bld.f90 mlprec/impl/solver/mld_z_base_solver_check.f90 mlprec/impl/solver/mld_z_base_solver_clone.f90 mlprec/impl/solver/mld_z_base_solver_csetc.f90 mlprec/impl/solver/mld_z_base_solver_cseti.f90 mlprec/impl/solver/mld_z_base_solver_csetr.f90 mlprec/impl/solver/mld_z_base_solver_descr.f90 mlprec/impl/solver/mld_z_base_solver_dmp.f90 mlprec/impl/solver/mld_z_base_solver_free.f90 mlprec/impl/solver/mld_z_base_solver_setc.f90 mlprec/impl/solver/mld_z_base_solver_seti.f90 mlprec/impl/solver/mld_z_base_solver_setr.f90 mlprec/impl/solver/mld_z_diag_solver_apply.f90 mlprec/impl/solver/mld_z_diag_solver_apply_vect.f90 mlprec/impl/solver/mld_z_diag_solver_bld.f90 mlprec/impl/solver/mld_z_diag_solver_clone.f90 mlprec/impl/solver/mld_z_id_solver_apply.f90 mlprec/impl/solver/mld_z_id_solver_apply_vect.f90 mlprec/impl/solver/mld_z_id_solver_clone.f90 mlprec/impl/solver/mld_z_ilu_solver_apply.f90 mlprec/impl/solver/mld_z_ilu_solver_apply_vect.f90 mlprec/impl/solver/mld_z_ilu_solver_bld.f90 mlprec/impl/solver/mld_z_ilu_solver_clone.f90 mlprec/impl/solver/mld_z_ilu_solver_dmp.f90 mlprec/mld_base_prec_type.F90 mlprec/mld_c_as_smoother.f90 mlprec/mld_c_base_smoother_mod.f90 mlprec/mld_c_base_solver_mod.f90 mlprec/mld_c_diag_solver.f90 mlprec/mld_c_id_solver.f90 mlprec/mld_c_ilu_fact_mod.f90 mlprec/mld_c_ilu_solver.f90 mlprec/mld_c_inner_mod.f90 mlprec/mld_c_jac_smoother.f90 mlprec/mld_c_onelev_mod.f90 mlprec/mld_c_prec_mod.f90 mlprec/mld_c_prec_type.f90 mlprec/mld_c_slu_solver.F90 mlprec/mld_c_sludist_solver.F90 mlprec/mld_c_umf_solver.F90 mlprec/mld_d_as_smoother.f90 mlprec/mld_d_base_smoother_mod.f90 mlprec/mld_d_base_solver_mod.f90 mlprec/mld_d_diag_solver.f90 mlprec/mld_d_id_solver.f90 mlprec/mld_d_ilu_fact_mod.f90 mlprec/mld_d_ilu_solver.f90 mlprec/mld_d_inner_mod.f90 mlprec/mld_d_jac_smoother.f90 mlprec/mld_d_onelev_mod.f90 mlprec/mld_d_prec_mod.f90 mlprec/mld_d_prec_type.f90 mlprec/mld_d_slu_solver.F90 mlprec/mld_d_sludist_solver.F90 mlprec/mld_d_umf_solver.F90 mlprec/mld_prec_mod.f90 mlprec/mld_prec_type.f90 mlprec/mld_s_as_smoother.f90 mlprec/mld_s_base_smoother_mod.f90 mlprec/mld_s_base_solver_mod.f90 mlprec/mld_s_diag_solver.f90 mlprec/mld_s_id_solver.f90 mlprec/mld_s_ilu_fact_mod.f90 mlprec/mld_s_ilu_impl.f90 mlprec/mld_s_ilu_solver.f90 mlprec/mld_s_inner_mod.f90 mlprec/mld_s_jac_smoother.f90 mlprec/mld_s_onelev_mod.f90 mlprec/mld_s_prec_mod.f90 mlprec/mld_s_prec_type.f90 mlprec/mld_s_slu_solver.F90 mlprec/mld_s_sludist_solver.F90 mlprec/mld_s_umf_solver.F90 mlprec/mld_z_as_smoother.f90 mlprec/mld_z_base_smoother_mod.f90 mlprec/mld_z_base_solver_mod.f90 mlprec/mld_z_diag_solver.f90 mlprec/mld_z_id_solver.f90 mlprec/mld_z_ilu_fact_mod.f90 mlprec/mld_z_ilu_solver.f90 mlprec/mld_z_inner_mod.f90 mlprec/mld_z_jac_smoother.f90 mlprec/mld_z_onelev_mod.f90 mlprec/mld_z_prec_mod.f90 mlprec/mld_z_prec_type.f90 mlprec/mld_z_slu_solver.F90 mlprec/mld_z_sludist_solver.F90 mlprec/mld_z_umf_solver.F90 tests/fileread/cf_sample.f90 tests/fileread/data_input.f90 tests/fileread/df_sample.f90 tests/fileread/sf_sample.f90 tests/fileread/zf_sample.f90 tests/newslv/data_input.f90 tests/newslv/mld_d_tlu_solver.f90 tests/newslv/mld_d_tlu_solver_impl.f90 tests/newslv/ppde3d.f90 tests/pdegen/data_input.f90 tests/pdegen/ppde2d.f90 tests/pdegen/ppde3d.f90 tests/pdegen/spde2d.f90 tests/pdegen/spde3d.f90 Fixed copyright statment.
12 years ago
!!$ (C) Copyright 2008,2009,2010,2012,2013
!!$
!!$ Salvatore Filippone University of Rome Tor Vergata
!!$ Alfredo Buttari CNRS-IRIT, Toulouse
!!$ Pasqua D'Ambra ICAR-CNR, Naples
!!$ Daniela di Serafino Second University of Naples
!!$
!!$ 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 MLD2P4 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 MLD2P4 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 mld_s_ilu_solver_apply_vect(alpha,sv,x,beta,y,desc_data,trans,work,info)
use psb_base_mod
use mld_s_ilu_solver, mld_protect_name => mld_s_ilu_solver_apply_vect
implicit none
type(psb_desc_type), intent(in) :: desc_data
class(mld_s_ilu_solver_type), intent(inout) :: sv
type(psb_s_vect_type),intent(inout) :: x
type(psb_s_vect_type),intent(inout) :: y
real(psb_spk_),intent(in) :: alpha,beta
character(len=1),intent(in) :: trans
real(psb_spk_),target, intent(inout) :: work(:)
integer, intent(out) :: info
integer :: n_row,n_col
type(psb_s_vect_type) :: wv, wv1
real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
integer :: ictxt,np,me,i, err_act
character :: trans_
character(len=20) :: name='s_ilu_solver_apply'
call psb_erractionsave(err_act)
info = psb_success_
trans_ = psb_toupper(trans)
select case(trans_)
case('N')
case('T')
case('C')
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (x%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/2,n_row,0,0,0/))
goto 9999
end if
if (y%get_nrows() < n_row) then
info = 36
call psb_errpush(info,name,i_err=(/3,n_row,0,0,0/))
goto 9999
end if
if (.not.allocated(sv%dv%v)) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: D")
goto 9999
end if
if (sv%dv%get_nrows() < n_row) then
info = 1124
call psb_errpush(info,name,a_err="preconditioner: DV")
goto 9999
end if
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
endif
if (info /= psb_success_) then
info=psb_err_alloc_request_
call psb_errpush(info,name,i_err=(/5*n_col,0,0,0,0/),&
& a_err='real(psb_spk_)')
goto 9999
end if
call psb_geasb(wv,desc_data,info,mold=x%v,scratch=.true.)
call psb_geasb(wv1,desc_data,info,mold=x%v,scratch=.true.)
select case(trans_)
case('N')
call psb_spsm(sone,sv%l,x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=sv%dv,choice=psb_none_,work=aux)
if (info == psb_success_) call psb_spsm(alpha,sv%u,wv,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,sv%u,x,szero,wv,desc_data,info,&
& trans=trans_,scale='L',diag=sv%dv,choice=psb_none_,work=aux)
if (info == psb_success_) call psb_spsm(alpha,sv%l,wv,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,sv%u,x,szero,wv,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
call wv1%mlt(sone,sv%dv,wv,szero,info,conjgx=trans_)
if (info == psb_success_) call psb_spsm(alpha,sv%l,wv1,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case default
call psb_errpush(psb_err_internal_error_,name,a_err='Invalid TRANS in ILU subsolve')
goto 9999
end select
if (info /= psb_success_) then
call psb_errpush(psb_err_internal_error_,name,a_err='Error in subsolve')
goto 9999
endif
call wv%free(info)
call wv1%free(info)
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine mld_s_ilu_solver_apply_vect
subroutine mld_s_ilu_solver_apply(alpha,sv,x,beta,y,desc_data,trans,work,info)
use psb_base_mod
use mld_s_ilu_solver, mld_protect_name => mld_s_ilu_solver_apply
implicit none
type(psb_desc_type), intent(in) :: desc_data
class(mld_s_ilu_solver_type), intent(in) :: sv
real(psb_spk_),intent(inout) :: x(:)
real(psb_spk_),intent(inout) :: y(:)
real(psb_spk_),intent(in) :: alpha,beta
character(len=1),intent(in) :: trans
real(psb_spk_),target, intent(inout) :: work(:)
integer, intent(out) :: info
integer :: n_row,n_col
real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
integer :: ictxt,np,me,i, err_act
character :: trans_
character(len=20) :: name='s_ilu_solver_apply'
call psb_erractionsave(err_act)
info = psb_success_
trans_ = psb_toupper(trans)
select case(trans_)
case('N')
case('T','C')
case default
call psb_errpush(psb_err_iarg_invalid_i_,name)
goto 9999
end select
n_row = desc_data%get_local_rows()
n_col = desc_data%get_local_cols()
if (n_col <= size(work)) then
ww => work(1:n_col)
if ((4*n_col+n_col) <= size(work)) then
aux => work(n_col+1:)
else
allocate(aux(4*n_col),stat=info)
if (info /= psb_success_) then
info=psb_err_alloc_request_
call psb_errpush(info,name,i_err=(/4*n_col,0,0,0,0/),&
& a_err='real(psb_spk_)')
goto 9999
end if
endif
else
allocate(ww(n_col),aux(4*n_col),stat=info)
if (info /= psb_success_) then
info=psb_err_alloc_request_
call psb_errpush(info,name,i_err=(/5*n_col,0,0,0,0/),&
& a_err='real(psb_spk_)')
goto 9999
end if
endif
select case(trans_)
case('N')
call psb_spsm(sone,sv%l,x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=sv%d,choice=psb_none_,work=aux)
if (info == psb_success_) call psb_spsm(alpha,sv%u,ww,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_, work=aux)
case('T')
call psb_spsm(sone,sv%u,x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=sv%d,choice=psb_none_,work=aux)
if (info == psb_success_) call psb_spsm(alpha,sv%l,ww,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case('C')
call psb_spsm(sone,sv%u,x,szero,ww,desc_data,info,&
& trans=trans_,scale='L',diag=sv%d,choice=psb_none_,work=aux)
if (info == psb_success_) call psb_spsm(alpha,sv%l,ww,beta,y,desc_data,info,&
& trans=trans_,scale='U',choice=psb_none_,work=aux)
case default
call psb_errpush(psb_err_internal_error_,name,a_err='Invalid TRANS in ILU subsolve')
goto 9999
end select
if (info /= psb_success_) then
call psb_errpush(psb_err_internal_error_,name,a_err='Error in subsolve')
goto 9999
endif
if (n_col <= size(work)) then
if ((4*n_col+n_col) <= size(work)) then
else
deallocate(aux)
endif
else
deallocate(ww,aux)
endif
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine mld_s_ilu_solver_apply
subroutine mld_s_ilu_solver_bld(a,desc_a,sv,upd,info,b,amold,vmold)
use psb_base_mod
use mld_s_ilu_solver, mld_protect_name => mld_s_ilu_solver_bld
Implicit None
! Arguments
type(psb_sspmat_type), intent(in), target :: a
Type(psb_desc_type), Intent(in) :: desc_a
class(mld_s_ilu_solver_type), intent(inout) :: sv
character, intent(in) :: upd
integer, intent(out) :: info
type(psb_sspmat_type), intent(in), target, optional :: b
class(psb_s_base_sparse_mat), intent(in), optional :: amold
class(psb_s_base_vect_type), intent(in), optional :: vmold
! Local variables
integer :: n_row,n_col, nrow_a, nztota
!!$ real(psb_spk_), pointer :: ww(:), aux(:), tx(:),ty(:)
integer :: ictxt,np,me,i, err_act, debug_unit, debug_level
character(len=20) :: name='s_ilu_solver_bld', ch_err
info=psb_success_
call psb_erractionsave(err_act)
debug_unit = psb_get_debug_unit()
debug_level = psb_get_debug_level()
ictxt = desc_a%get_context()
call psb_info(ictxt, me, np)
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' start'
n_row = desc_a%get_local_rows()
if (psb_toupper(upd) == 'F') then
nrow_a = a%get_nrows()
nztota = a%get_nzeros()
if (present(b)) then
nztota = nztota + b%get_nzeros()
end if
call sv%l%csall(n_row,n_row,info,nztota)
if (info == psb_success_) call sv%u%csall(n_row,n_row,info,nztota)
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='psb_sp_all'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
if (allocated(sv%d)) then
if (size(sv%d) < n_row) then
deallocate(sv%d)
endif
endif
if (.not.allocated(sv%d)) allocate(sv%d(n_row),stat=info)
if (info /= psb_success_) then
call psb_errpush(psb_err_from_subroutine_,name,a_err='Allocate')
goto 9999
endif
select case(sv%fact_type)
case (mld_ilu_t_)
!
! ILU(k,t)
!
select case(sv%fill_in)
case(:-1)
! Error: fill-in <= -1
call psb_errpush(psb_err_input_value_invalid_i_,&
& name,i_err=(/3,sv%fill_in,0,0,0/))
goto 9999
case(0:)
! Fill-in >= 0
call mld_ilut_fact(sv%fill_in,sv%thresh,&
& a, sv%l,sv%u,sv%d,info,blck=b)
end select
if(info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='mld_ilut_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case(mld_ilu_n_,mld_milu_n_)
!
! ILU(k) and MILU(k)
!
select case(sv%fill_in)
case(:-1)
! Error: fill-in <= -1
call psb_errpush(psb_err_input_value_invalid_i_,&
& name,i_err=(/3,sv%fill_in,0,0,0/))
goto 9999
case(0)
! Fill-in 0
! Separate implementation of ILU(0) for better performance.
! There seems to be a problem with the separate implementation of MILU(0),
! contained into mld_ilu0_fact. This must be investigated. For the time being,
! resort to the implementation of MILU(k) with k=0.
if (sv%fact_type == mld_ilu_n_) then
call mld_ilu0_fact(sv%fact_type,a,sv%l,sv%u,&
& sv%d,info,blck=b,upd=upd)
else
call mld_iluk_fact(sv%fill_in,sv%fact_type,&
& a,sv%l,sv%u,sv%d,info,blck=b)
endif
case(1:)
! Fill-in >= 1
! The same routine implements both ILU(k) and MILU(k)
call mld_iluk_fact(sv%fill_in,sv%fact_type,&
& a,sv%l,sv%u,sv%d,info,blck=b)
end select
if (info /= psb_success_) then
info=psb_err_from_subroutine_
ch_err='mld_iluk_fact'
call psb_errpush(info,name,a_err=ch_err)
goto 9999
end if
case default
! If we end up here, something was wrong up in the call chain.
info = psb_err_input_value_invalid_i_
call psb_errpush(psb_err_input_value_invalid_i_,name,&
& i_err=(/3,sv%fact_type,0,0,0/))
goto 9999
end select
else
! Here we should add checks for reuse of L and U.
! For the time being just throw an error.
info = 31
call psb_errpush(info, name,&
& i_err=(/3,0,0,0,0/),a_err=upd)
goto 9999
!
! What is an update of a factorization??
! A first attempt could be to reuse EXACTLY the existing indices
! as if it was an ILU(0) (since, effectively, the sparsity pattern
! should not grow beyond what is already there).
!
call mld_ilu0_fact(sv%fact_type,a,&
& sv%l,sv%u,&
& sv%d,info,blck=b,upd=upd)
end if
call sv%l%set_asb()
call sv%l%trim()
call sv%u%set_asb()
call sv%u%trim()
call sv%dv%bld(sv%d,mold=vmold)
if (present(amold)) then
call sv%l%cscnv(info,mold=amold)
call sv%u%cscnv(info,mold=amold)
end if
if (debug_level >= psb_debug_outer_) &
& write(debug_unit,*) me,' ',trim(name),' end'
call psb_erractionrestore(err_act)
return
9999 continue
call psb_erractionrestore(err_act)
if (err_act == psb_act_abort_) then
call psb_error()
return
end if
return
end subroutine mld_s_ilu_solver_bld
subroutine mld_s_ilu_solver_dmp(sv,ictxt,level,info,prefix,head,solver)
use psb_base_mod
use mld_s_ilu_solver, mld_protect_name => mld_s_ilu_solver_dmp
implicit none
class(mld_s_ilu_solver_type), intent(in) :: sv
integer, intent(in) :: ictxt,level
integer, intent(out) :: info
character(len=*), intent(in), optional :: prefix, head
logical, optional, intent(in) :: solver
integer :: i, j, il1, iln, lname, lev
integer :: icontxt,iam, np
character(len=80) :: prefix_
character(len=120) :: fname ! len should be at least 20 more than
logical :: solver_
! len of prefix_
info = 0
call psb_info(ictxt,iam,np)
if (present(solver)) then
solver_ = solver
else
solver_ = .false.
end if
if (solver_) then
if (present(prefix)) then
prefix_ = trim(prefix(1:min(len(prefix),len(prefix_))))
else
prefix_ = "dump_slv_s"
end if
lname = len_trim(prefix_)
fname = trim(prefix_)
write(fname(lname+1:lname+5),'(a,i3.3)') '_p',iam
lname = lname + 5
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_lower.mtx'
if (sv%l%is_asb()) &
& call sv%l%print(fname,head=head)
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_diag.mtx'
if (allocated(sv%d)) &
& call psb_geprt(fname,sv%d,head=head)
write(fname(lname+1:),'(a,i3.3,a)')'_l',level,'_upper.mtx'
if (sv%u%is_asb()) &
& call sv%u%print(fname,head=head)
end if
end subroutine mld_s_ilu_solver_dmp