QR_MUMPS
Functions/Subroutines
dqrm_matnrm.F90 File Reference

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Functions/Subroutines

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

Function/Subroutine Documentation

subroutine dqrm_matnrm ( type(dqrm_spmat_type), intent(in)  qrm_mat,
character  ntype,
real(kind(1.d0))  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 48 of file dqrm_matnrm.F90.

References qrm_error_mod::qrm_abort_, 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 dqrm_c_interface::dqrm_matnrm_c().