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qrm_matnrm.F90 File Reference

this file contains a routine that computes the norm of a sparse matrix More...

Go to the source code of this file.

Functions/Subroutines

subroutine _qrm_matnrm (qrm_mat, ntype, nrm)
 This subroutine computes the matrix norm. The return value is a real scalar. More...
 

Detailed Description

this file contains a routine that computes the norm of a sparse matrix

Date:
2016-01-29 22:22:30 +0100 (Fri, 29 Jan 2016)
Author:
abuttari
Version:
1.1
Revision:
2075

Definition in file qrm_matnrm.F90.

Function/Subroutine Documentation

subroutine _qrm_matnrm ( type(_qrm_spmat_type), intent(in)  qrm_mat,
character  ntype,
  nrm 
)

This subroutine computes the matrix norm. The return value is a real scalar.

Parameters
[in]qrm_matthe inpur A matrix
[in]ntypethe norm type. It can be one of these 1 : 1-norm i : inf-norm f : Frobenius-norm
[out]nrmthe output norm

Definition at line 47 of file qrm_matnrm.F90.

References i, qrm_error_mod::qrm_err_act_restore(), qrm_error_mod::qrm_err_act_save(), qrm_error_mod::qrm_err_check(), and qrm_error_mod::qrm_err_push().

Referenced by _qrm_c_interface::_qrm_matnrm_c().