dnrm2.f man page

dnrm2.f

Synopsis

Functions/Subroutines

double precision function dnrm2 (N, X, INCX)
DNRM2

Function/Subroutine Documentation

double precision function dnrm2 (integer N, double precision, dimension(*) X, integer INCX)

DNRM2

Purpose:

 DNRM2 returns the euclidean norm of a vector via the function
 name, so that

    DNRM2 := sqrt( x'*x )
Parameters:

N

          N is INTEGER
         number of elements in input vector(s)

X

          X is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

INCX

          INCX is INTEGER
         storage spacing between elements of DX
Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

November 2017

Further Details:

  -- This version written on 25-October-1982.
     Modified on 14-October-1993 to inline the call to DLASSQ.
     Sven Hammarling, Nag Ltd.

Definition at line 76 of file dnrm2.f.

Author

Generated automatically by Doxygen for LAPACK from the source code.

Referenced By

The man page dnrm2(3) is an alias of dnrm2.f(3).

Tue Nov 14 2017 Version 3.8.0 LAPACK