 = 'R', the leading Q-by-N part of this
          array contains the transformed negative generator.

  LDG     INTEGER
          The leading dimension of the array G.
          If Q = 0,                  LDG &gt;= 1;
          If Q &gt; 0 and (TYPEG = 'D' or TYPEG = 'C'),
                                     LDG &gt;= MAX(1,N);
          if Q &gt; 0 and TYPEG = 'R',  LDG &gt;= Q.

  CS      (input)  DOUBLE PRECISION array, dimension (x)
          If TYPEG = 'D' and P = K,                   x = 3*K;
       