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dqrm_ata_graph.F90 File Reference

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Functions/Subroutines

subroutine dqrm_ata_graph (g_csc, ata_graph)
 This subroutine computes the fill reducing ordering using METIS. More...
 

Function/Subroutine Documentation

subroutine dqrm_ata_graph ( type(dqrm_spmat_type), intent(in)  g_csc,
type(dqrm_spmat_type), intent(out)  ata_graph 
)

This subroutine computes the fill reducing ordering using METIS.

Parameters
[in]g_cscthe graph (in CSC format) associated to A
[out]ata_graphthe graph of A'*A in CSR format

Definition at line 43 of file dqrm_ata_graph.F90.

References dqrm_spmat_mod::qrm_spmat_convert::dqrm_spmat_convert(), dqrm_spmat_mod::qrm_spmat_destroy::dqrm_spmat_destroy(), i, qrm_error_mod::qrm_err_act_restore(), qrm_error_mod::qrm_err_act_save(), and qrm_error_mod::qrm_err_check().

Referenced by dqrm_do_metis(), and dqrm_do_scotch().