dznrm2 - Return the Euclidian norm of a vector.
DOUBLE PRECISION FUNCTION DZNRM2( N, X, INCX) DOUBLE COMPLEX X(*) INTEGER N, INCX
DOUBLE PRECISION FUNCTION DZNRM2_64( N, X, INCX) DOUBLE COMPLEX X(*) INTEGER*8 N, INCX
REAL(8) FUNCTION NRM2( [N], X, [INCX]) COMPLEX(8), DIMENSION(:) :: X INTEGER :: N, INCX
REAL(8) FUNCTION NRM2_64( [N], X, [INCX]) COMPLEX(8), DIMENSION(:) :: X INTEGER(8) :: N, INCX
#include <sunperf.h>
double dznrm2(int n, doublecomplex *x, int incx);
double dznrm2_64(long n, doublecomplex *x, long incx);
dznrm2 Return the Euclidian norm of a vector x where x is an n-vector.