of the array A.
          LDA &gt;= MAX(1,M),  if TRANA = 'N';
          LDA &gt;= MAX(1,N),  if TRANA = 'C' or TRANA = 'T'.

  B       (input/output) DOUBLE PRECISION array, dimension
                  (LDB,N) if TRANB = 'N',
                  (LDB,M) if TRANB = 'C' or TRANB = 'T'
          On entry with TRANB = 'N', the leading M-by-N part of this
          array must contain the matrix B.
          On entry with TRANB = 'T' or TRANB = 'C', the leading
          N-by-M part of this array must contain the 