scnrm2(l) — SunSoft Performance Library
NAME
SCNRM2 - Return the Euclidian norm of a vector.
SYNOPSIS
REAL FUNCTION SCNRM2 (N, X, INCX)
INTEGER INCX, N
COMPLEX X( ∗ )
PURPOSE
SCNRM2 - Return the Euclidian norm of a vector x where x is an n-vector.
PARAMETERS
N - INTEGER.
On entry, N specifies the number of elements in the vector. N must be at least one for the subroutine to have any visible effect. Unchanged on exit.
X - COMPLEX array of DIMENSION at least
( 1 + ( m - 1 )∗abs( INCX ) ). On entry, the incremented array X must contain the vector x. Unchanged on exit.
INCX - INTEGER.
On entry, INCX specifies the increment for the elements of X. INCX must be positive. Unchanged on exit.
SunSoft, Inc. — Last change: 27 Jun 1995