ension of array A.  LDA &gt;= MAX(1,N).

  T       (input) DOUBLE PRECISION array, dimension (LDT,N)
          If UPLO = 'U', the leading N-by-N upper triangular part of
          this array must contain the upper triangular matrix T and
          the strictly lower triangular part need not be set to zero
          (and it is not referenced).
          If UPLO = 'L', the leading N-by-N lower triangular part of
          this array must contain the lower triangular matrix T and
          the strictly upper t