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C/MEMBR ADD NAME=WCOPY,SSI=0
c Copyright INRIA
subroutine wcopy(n,dxr,dxi,incx,dyr,dyi,incy)
c!calling sequence
c subroutine dcopy(n,dxr,dxi,incx,dyr,dyi,incy)
c
c!purpose
c copies a vector, x, to a vector, y.
c uses unrolled loops for increments equal to one.
c!originator
c jack dongarra, linpack, 3/11/78.
c!
c
double precision dxr(*),dxi(*),dyr(*),dyi(*)
integer i,incx,incy,ix,iy,n
c
if(n.le.0)return
if(incx.eq.1.and.incy.eq.1)go to 20
c
c code for unequal increments or equal increments not equal to 1
c
ix = 1
iy = 1
if(incx.lt.0)ix = (-n+1)*incx + 1
if(incy.lt.0)iy = (-n+1)*incy + 1
do 10 i = 1,n
dyr(iy) = dxr(ix)
dyi(iy) = dxi(ix)
ix = ix + incx
iy = iy + incy
10 continue
return
c
c code for both increments equal to 1
c
20 continue
do 30 i = 1,n
dyr(i) = dxr(i)
dyi(i) = dxi(i)
30 continue
c
end
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