la_lin_berr: backward error

Functions
subroutine	cla_lin_berr (n, nz, nrhs, res, ayb, berr)
	CLA_LIN_BERR computes a component-wise relative backward error.
subroutine	dla_lin_berr (n, nz, nrhs, res, ayb, berr)
	DLA_LIN_BERR computes a component-wise relative backward error.
subroutine	sla_lin_berr (n, nz, nrhs, res, ayb, berr)
	SLA_LIN_BERR computes a component-wise relative backward error.
subroutine	zla_lin_berr (n, nz, nrhs, res, ayb, berr)
	ZLA_LIN_BERR computes a component-wise relative backward error.

Detailed Description