DNRM2(1) BLAS routine DNRM2(1)NAME
DNRM2 - returns the euclidean norm of a vector via the function name,
so that DNRM2 := sqrt( x'*x ) Further Details =============== --
This version written on 25-October-1982
SYNOPSIS
DOUBLE PRECISION FUNCTION DNRM2(N,X,INCX)
INTEGER INCX,N
DOUBLE PRECISION X(*)
PURPOSE
DNRM2 returns the euclidean norm of a vector via the function name, so
that
Modified on 14-October-1993 to inline the call to DLASSQ.
Sven Hammarling, Nag Ltd.
BLAS routine November 2008 DNRM2(1)