NAME

dnrm2.f -

SYNOPSIS


Functions/Subroutines


DOUBLE PRECISION function dnrm2 (N, X, INCX)
DNRM2

Function/Subroutine Documentation

DOUBLE PRECISION function dnrm2 (integerN, double precision, dimension(*)X, integerINCX)

DNRM2 Purpose:

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

    DNRM2 := sqrt( x'*x )


 

Author:

Univ. of Tennessee

Univ. of California Berkeley

Univ. of Colorado Denver

NAG Ltd.

Date:

November 2011

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 55 of file dnrm2.f.

Author

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