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fortran-lapack
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la_lapack::la_gbrpvgrw Interface Reference

LA_GBRPVGRW: computes the reciprocal pivot growth factor norm(A)/norm(U). The "max absolute element" norm is used. If this is much less than 1, the stability of the LU factorization of the (equilibrated) matrix A could be poor. This also means that the solution X, estimated condition numbers, and error bounds could be unreliable. More...

Public Member Functions

pure real(sp) function cla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 
 la_cla_gbrpvgrw
 
pure real(dp) function dla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 
 la_dla_gbrpvgrw
 
 la_qla_gbrpvgrw
 
pure real(sp) function sla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 
 la_sla_gbrpvgrw
 
 la_wla_gbrpvgrw
 
pure real(dp) function zla_gbrpvgrw (n, kl, ku, ncols, ab, ldab, afb, ldafb)
 
 la_zla_gbrpvgrw
 

Detailed Description

LA_GBRPVGRW: computes the reciprocal pivot growth factor norm(A)/norm(U). The "max absolute element" norm is used. If this is much less than 1, the stability of the LU factorization of the (equilibrated) matrix A could be poor. This also means that the solution X, estimated condition numbers, and error bounds could be unreliable.

Member Function/Subroutine Documentation

◆ cla_gbrpvgrw()

pure real(sp) function la_lapack::la_gbrpvgrw::cla_gbrpvgrw ( integer(ilp), intent(in) n,
integer(ilp), intent(in) kl,
integer(ilp), intent(in) ku,
integer(ilp), intent(in) ncols,
complex(sp), dimension(ldab,*), intent(in) ab,
integer(ilp), intent(in) ldab,
complex(sp), dimension(ldafb,*), intent(in) afb,
integer(ilp), intent(in) ldafb )

◆ dla_gbrpvgrw()

pure real(dp) function la_lapack::la_gbrpvgrw::dla_gbrpvgrw ( integer(ilp), intent(in) n,
integer(ilp), intent(in) kl,
integer(ilp), intent(in) ku,
integer(ilp), intent(in) ncols,
real(dp), dimension(ldab,*), intent(in) ab,
integer(ilp), intent(in) ldab,
real(dp), dimension(ldafb,*), intent(in) afb,
integer(ilp), intent(in) ldafb )

◆ la_cla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_cla_gbrpvgrw

◆ la_dla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_dla_gbrpvgrw

◆ la_qla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_qla_gbrpvgrw

◆ la_sla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_sla_gbrpvgrw

◆ la_wla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_wla_gbrpvgrw

◆ la_zla_gbrpvgrw()

la_lapack::la_gbrpvgrw::la_zla_gbrpvgrw

◆ sla_gbrpvgrw()

pure real(sp) function la_lapack::la_gbrpvgrw::sla_gbrpvgrw ( integer(ilp), intent(in) n,
integer(ilp), intent(in) kl,
integer(ilp), intent(in) ku,
integer(ilp), intent(in) ncols,
real(sp), dimension(ldab,*), intent(in) ab,
integer(ilp), intent(in) ldab,
real(sp), dimension(ldafb,*), intent(in) afb,
integer(ilp), intent(in) ldafb )

◆ zla_gbrpvgrw()

pure real(dp) function la_lapack::la_gbrpvgrw::zla_gbrpvgrw ( integer(ilp), intent(in) n,
integer(ilp), intent(in) kl,
integer(ilp), intent(in) ku,
integer(ilp), intent(in) ncols,
complex(dp), dimension(ldab,*), intent(in) ab,
integer(ilp), intent(in) ldab,
complex(dp), dimension(ldafb,*), intent(in) afb,
integer(ilp), intent(in) ldafb )

The documentation for this interface was generated from the following file: