QR_MUMPS
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This file contains the routine that computes the graph of A^T * A. More...
Go to the source code of this file.
Functions/Subroutines | |
subroutine | _qrm_ata_graph (g_csc, ata_graph) |
This subroutine computes the fill reducing ordering using METIS. More... | |
This file contains the routine that computes the graph of A^T * A.
Definition in file qrm_ata_graph.F90.
subroutine _qrm_ata_graph | ( | type(_qrm_spmat_type), intent(in) | g_csc, |
type(_qrm_spmat_type), intent(out) | ata_graph | ||
) |
This subroutine computes the fill reducing ordering using METIS.
[in] | g_csc | the graph (in CSC format) associated to A |
[out] | ata_graph | the graph of A'*A in CSR format |
Definition at line 44 of file qrm_ata_graph.F90.
References _qrm_spmat_mod::_qrm_spmat_convert(), _qrm_spmat_mod::_qrm_spmat_destroy(), qrm_error_mod::qrm_abort_, qrm_error_mod::qrm_err_act_restore(), qrm_error_mod::qrm_err_act_save(), and qrm_error_mod::qrm_err_check().
Referenced by _qrm_do_metis(), and _qrm_do_scotch().