1DSWAP(1)                         BLAS routine                         DSWAP(1)
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NAME

6       DSWAP - two vectors
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SYNOPSIS

9       SUBROUTINE DSWAP(N,DX,INCX,DY,INCY)
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11           INTEGER                         INCX,INCY,N
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13           DOUBLE                          PRECISION DX(*),DY(*)
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PURPOSE

16          interchanges two vectors.
17          uses unrolled loops for increments equal one.
18          jack dongarra, linpack, 3/11/78.
19          modified 12/3/93, array(1) declarations changed to array(*)
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25BLAS routine                     November 2006                        DSWAP(1)