SCOPY(3)        BLAS routine of NEC Numeric Library Collection        SCOPY(3)



NAME
       SCOPY - BLAS level one, copies a real vector into another real vector

SYNOPSIS
       SUBROUTINE SCOPY    ( n, x, incx, y, incy )

           INTEGER           n, incx, incy

           REAL              x, y


DESCRIPTION
       SCOPY  copies  a  real vector into another real vector.  SCOPY copies a
       vector x, whose length is n to a vector y. incx and  incy  specify  the
       increment between two consecutive elements of respectively vector x and
       y.

       This routine performs the following vector operation:

            y  <--  x

       where x and y are real vectors.

ARGUMENTS
       n       INTEGER. (input)
               Number of vector elements to be copied.
               If n <= 0, this routine returns without computation.

       x       REAL, (input)
               Vector from which to copy.

       incx    INTEGER. (input)
               Increment between elements of x.
               If incx = 0, the results will be unpredictable.

       y       REAL, (output)
               array of dimension (n-1) * |incy| + 1, result vector.

       incy    INTEGER. (input)
               Increment between elements of y.  If incy = 0, the results will
               be unpredictable.

NOTES
       This  routine  is  Level  1  Basic  Linear Algebra Subprograms (Level 1
       BLAS).

       When working backward (incx < 0 or incy < 0), each  routine  starts  at
       the end of the vector and moves backward, as follows:

            x(1-incx * (n-1)), x(1-incx * (n-2)), ..., x(1)

            y(1-incy * (n-1)), y(1-incy * (n-2)), ..., y(1)



BLAS routine                                                          SCOPY(3)