NAME

       copy - copy: y = x

SYNOPSIS

   Functions
       subroutine ccopy (n, cx, incx, cy, incy)
           CCOPY
       subroutine dcopy (n, dx, incx, dy, incy)
           DCOPY
       subroutine scopy (n, sx, incx, sy, incy)
           SCOPY
       subroutine zcopy (n, zx, incx, zy, incy)
           ZCOPY

Detailed Description

Function Documentation

   subroutine ccopy (integer n, complex, dimension(*) cx, integer incx, complex, dimension(*) cy,
       integer incy)
       CCOPY

       Purpose:

               CCOPY copies a vector x to a vector y.

       Parameters
           N

                     N is INTEGER
                    number of elements in input vector(s)

           CX

                     CX is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

           INCX

                     INCX is INTEGER
                    storage spacing between elements of CX

           CY

                     CY is COMPLEX array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

           INCY

                     INCY is INTEGER
                    storage spacing between elements of CY

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Further Details:

                jack dongarra, linpack, 3/11/78.
                modified 12/3/93, array(1) declarations changed to array(*)

   subroutine dcopy (integer n, double precision, dimension(*) dx, integer incx, double
       precision, dimension(*) dy, integer incy)
       DCOPY

       Purpose:

               DCOPY copies a vector, x, to a vector, y.
               uses unrolled loops for increments equal to 1.

       Parameters
           N

                     N is INTEGER
                    number of elements in input vector(s)

           DX

                     DX is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

           INCX

                     INCX is INTEGER
                    storage spacing between elements of DX

           DY

                     DY is DOUBLE PRECISION array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

           INCY

                     INCY is INTEGER
                    storage spacing between elements of DY

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Further Details:

                jack dongarra, linpack, 3/11/78.
                modified 12/3/93, array(1) declarations changed to array(*)

   subroutine scopy (integer n, real, dimension(*) sx, integer incx, real, dimension(*) sy,
       integer incy)
       SCOPY

       Purpose:

               SCOPY copies a vector, x, to a vector, y.
               uses unrolled loops for increments equal to 1.

       Parameters
           N

                     N is INTEGER
                    number of elements in input vector(s)

           SX

                     SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

           INCX

                     INCX is INTEGER
                    storage spacing between elements of SX

           SY

                     SY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

           INCY

                     INCY is INTEGER
                    storage spacing between elements of SY

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Further Details:

                jack dongarra, linpack, 3/11/78.
                modified 12/3/93, array(1) declarations changed to array(*)

   subroutine zcopy (integer n, complex*16, dimension(*) zx, integer incx, complex*16,
       dimension(*) zy, integer incy)
       ZCOPY

       Purpose:

               ZCOPY copies a vector, x, to a vector, y.

       Parameters
           N

                     N is INTEGER
                    number of elements in input vector(s)

           ZX

                     ZX is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCX ) )

           INCX

                     INCX is INTEGER
                    storage spacing between elements of ZX

           ZY

                     ZY is COMPLEX*16 array, dimension ( 1 + ( N - 1 )*abs( INCY ) )

           INCY

                     INCY is INTEGER
                    storage spacing between elements of ZY

       Author
           Univ. of Tennessee

           Univ. of California Berkeley

           Univ. of Colorado Denver

           NAG Ltd.

       Further Details:

                jack dongarra, linpack, 4/11/78.
                modified 12/3/93, array(1) declarations changed to array(*)

Author

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