NAME

SSWAP - interchanges two vectors

SYNOPSIS

SUBROUTINE SSWAP(N,SX,INCX,SY,INCY)

INTEGER INCX,INCY,N REAL SX(*),SY(*)

PURPOSE

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

FURTHER DETAILS

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