corrected bug for options_.kalman_tol and increased its default value to 1e-10

(cherry picked from commit 0223f43a4ccc35e341ce627bf62df763c001c77a)

matlab/global_initialization.m

@@ -157,7 +157,7 @@ options_.filter_step_ahead = [];
 options_.filtered_vars = 0;
 options_.first_obs = 1;
 options_.kalman_algo = 0;
-options_.kalman_tol = 1e-12;
+options_.kalman_tol = 1e-10;
 options_.riccati_tol = 1e-6;
 options_.lik_algo = 1;
 options_.lik_init = 1;

preprocessor/DynareBison.yy

@@ -1714,7 +1714,7 @@ o_moments_varendo : MOMENTS_VARENDO { driver.option_num("moments_varendo", "1");
 o_filtered_vars : FILTERED_VARS { driver.option_num("filtered_vars", "1"); };
 o_relative_irf : RELATIVE_IRF { driver.option_num("relative_irf", "1"); };
 o_kalman_algo : KALMAN_ALGO EQUAL INT_NUMBER { driver.option_num("kalman_algo", $3); };
-o_kalman_tol : KALMAN_TOL EQUAL INT_NUMBER { driver.option_num("kalman_tol", $3); };
+o_kalman_tol : KALMAN_TOL EQUAL non_negative_number { driver.option_num("kalman_tol", $3); };
 o_marginal_density : MARGINAL_DENSITY EQUAL LAPLACE
                      { driver.option_str("mc_marginal_density", "laplace"); }
                    | MARGINAL_DENSITY EQUAL MODIFIEDHARMONICMEAN