LAPACK  3.9.0
LAPACK: Linear Algebra PACKage

◆ dznrm2()

double precision function dznrm2 ( integer  N,
complex*16, dimension(*)  X,
integer  INCX 
)

DZNRM2

Purpose:
 DZNRM2 returns the euclidean norm of a vector via the function
 name, so that

    DZNRM2 := sqrt( x**H*x )
Parameters
[in]N
          N is INTEGER
         number of elements in input vector(s)
[in]X
          X is COMPLEX*16 array, dimension (N)
         complex vector with N elements
[in]INCX
          INCX is INTEGER
         storage spacing between elements of X
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 ZLASSQ.
     Sven Hammarling, Nag Ltd.