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MATXSD

       SUBROUTINE  MATXSD (NPRINT,NLEVEL)
 C$    (Transform -- Set Debug)
 C$    Select or deselect debug  printing in the MATXxx()  family.
 C$    The arguments are:
 C$
 C$    NPRINT..............Fortran unit number for debug printing.
 C$    NLEVEL..............An integer value whose bits encode
 C$                        printing requests as follows:
 C$                        0 - no debug printing
 C$                        1 - print transformation of unit cube
 C$                        2 - print new current transformation
 C$                            matrix.
 C$                        4 - print old current transformation
 C$                            matrix.
 C$                        8 - print transformation matrix of
 C$                            selected operation (rotate,
 C$                            translate, scale, shear, etc.).
 C$                        Non-zero values may be added to  obtain
 C$                        multiple print  options.   Out-of-range
 C$                        values will be  treated as the  nearest
 C$                        end point of the interval 0..15
 C$    (08-FEB-90)