message: ENH: Set default tolerance for LU factor to 0.0
  Set the default tolerance to LU factor to 0.0 to ensure
  the behavior of the function is consistent.
diff: @@ -502,11 +502,11 @@ public:
  * original matrix and P is a permutation matrix represented by ipiv.
  *
  * @param [in] m size of the square matrix
  - * @param [in] TOL optional fuzzy comparison tolerance. Defaults to 1e-9.
  + * @param [in] TOL optional fuzzy comparison tolerance. Defaults to 0.0.
  *
  * @return status set to true if successful, otherwise, false.
  */
  - bool Factor(int m, double TOL = 1.e-9);
  + bool Factor(int m, double TOL = 0.0);
  /** Assuming L.U = P.A factored data of size (m x m), compute |A|
  from the diagonal values of U and the permutation information. */
  