dswap

DSWAP(1)                         BLAS routine                         DSWAP(1)



NAME
       DSWAP - interchanges two vectors

SYNOPSIS
       SUBROUTINE DSWAP(N,DX,INCX,DY,INCY)

           INTEGER                         INCX,INCY,N

           DOUBLE                          PRECISION DX(*),DY(*)

PURPOSE
          interchanges two vectors.
          uses unrolled loops for increments equal one.


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




BLAS routine                     November 2008                        DSWAP(1)