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MATPCT

       SUBROUTINE  MATPCT (PRTFIL,T)
 C$    (Print Cube Transformation)
 C$    It is often helpful in checking a transformation matrix  to
 C$    display its effect on the  unit cube.  This routine  prints
 C$    the result of that.  The arguments are:
 C$
 C$    PRTFIL..........Output FORTRAN unit number.
 C$    T(4,4)..........Transformation matrix.
 C$
 C$    (18-SEP-82)