BLAS/SRC/dcopy.f(3) Library Functions Manual BLAS/SRC/dcopy.f(3)

BLAS/SRC/dcopy.f


subroutine dcopy (n, dx, incx, dy, incy)
DCOPY

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(*)

Definition at line 81 of file dcopy.f.

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