dnrm2.f(3)

NAME
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

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