dnrm2(l) - Linux man page

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.