DL2 = DNRM2 (N, DX, INCX)

SL2 = SNRM2 (N, SX, INCX)

DL2 = DZNRM2 (N, ZX, INCX)

SL2 = SCNRM2 (N, CX, INCX)


double dnrm2(int n, double *dx, int incx)

float snrm2(int n, float *sx, int incx)

double dznrm2(int n, doublecomplex *zx, int incx)

float scnrm2(int n, complex *cx, int incx)
