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

BLAS/SRC/sswap.f


subroutine sswap (n, sx, incx, sy, incy)
SSWAP

SSWAP

Purpose:

!>
!>    SSWAP interchanges two vectors.
!>    uses unrolled loops for increments equal to 1.
!>

Parameters

N 
!>          N is INTEGER
!>         number of elements in input vector(s)
!>

SX

!>          SX is REAL array, dimension ( 1 + ( N - 1 )*abs( INCX ) )
!>

INCX

!>          INCX is INTEGER
!>         storage spacing between elements of SX
!>

SY

!>          SY is REAL array, dimension ( 1 + ( N - 1 )*abs( INCY ) )
!>

INCY

!>          INCY is INTEGER
!>         storage spacing between elements of SY
!>

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 sswap.f.

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