
  L       (input) INTEGER
          The number of columns in the blocks of T.  L &gt;= 0.

  M       (input) INTEGER
          The number of blocks in the first block column of T.
          M &gt;= 0.

  N       (input) INTEGER
          The number of blocks in the first block row of T.  N &gt;= 0.

  R       (input) INTEGER
          The number of columns in B and C.  R &gt;= 0.

  ALPHA   (input) DOUBLE PRECISION
          The scalar alpha. When alpha is zero then TC, TR and B
          are not reference