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.