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)