Add a new option maxit in steady and simul commands to determine the maximum...

Add a new option maxit in steady and simul commands to determine the maximum number of iterations used in the non linear solver.

doc/dynare.texi

@@ -2290,6 +2290,13 @@ add new variables one by one.
 
 @table @code
 
+@item maxit = @var{INTEGER}
+Determines the maximum number of iterations used in the non-linear solver. 
+The default value of @code{maxit} is 10. The @code{maxit} option is shared with the 
+@code{simul} command. So a change in @code{maxit} in a @code{steady} command will 
+also be considered in the following @code{simul} commands.
+
+
 @item solve_algo = @var{INTEGER}
 @anchor{solve_algo}
 Determines the non-linear solver to use. Possible values for the option are:
@@ -2341,6 +2348,7 @@ steady state. If you use this option, you must specify a
 @code{homotopy_setup} block. This option can take three possible
 values:
 
+
 @table @code
 
 @item 1
@@ -2728,6 +2736,13 @@ for the number of periods set in the option @code{periods}.
 @item periods = @var{INTEGER}
 Number of periods of the simulation
 
+@item maxit = @var{INTEGER}
+Determines the maximum number of iterations used in the non-linear solver. 
+The default value of @code{maxit} is 10. The @code{maxit} option is shared with the 
+@code{steady} command. So a change in @code{maxit} in a @code{simul} command will 
+also be considered in the following @code{steady} commands.
+
+
 @item stack_solve_algo = @var{INTEGER}
 Algorithm used for computing the solution. Possible values are:
 

preprocessor/DynareBison.yy

@@ -106,7 +106,7 @@ class ParsingDriver;
 %token INV_GAMMA_PDF INV_GAMMA1_PDF INV_GAMMA2_PDF IRF IRF_SHOCKS
 %token KALMAN_ALGO KALMAN_TOL
 %token LABELS LAPLACE LIK_ALGO LIK_INIT LINEAR LOAD_IDENT_FILES LOAD_MH_FILE LOAD_PARAMS_AND_STEADY_STATE LOGLINEAR
-%token MARKOWITZ MARGINAL_DENSITY MAX
+%token MARKOWITZ MARGINAL_DENSITY MAX MAXIT
 %token MFS MH_DROP MH_INIT_SCALE MH_JSCALE MH_MODE MH_NBLOCKS MH_REPLIC MH_RECOVER MIN MINIMAL_SOLVING_PERIODS
 %token MODE_CHECK MODE_COMPUTE MODE_FILE MODEL MODEL_COMPARISON MODEL_INFO MSHOCKS ABS SIGN
 %token MODIFIEDHARMONICMEAN MOMENTS_VARENDO DIFFUSE_FILTER
@@ -805,6 +805,7 @@ steady_options : o_solve_algo
                | o_homotopy_mode
                | o_homotopy_steps
                | o_markowitz
+               | o_maxit
                ;
 
 check : CHECK ';'
@@ -838,6 +839,7 @@ simul_options : o_periods
               | o_stack_solve_algo
               | o_markowitz
               | o_minimal_solving_periods
+              | o_maxit
               ;
 
 external_function : EXTERNAL_FUNCTION '(' external_function_options_list ')' ';'
@@ -1824,7 +1826,8 @@ o_irf_shocks : IRF_SHOCKS EQUAL '(' symbol_list ')' { driver.option_symbol_list(
 o_hp_filter : HP_FILTER EQUAL non_negative_number { driver.option_num("hp_filter", $3); };
 o_hp_ngrid : HP_NGRID EQUAL INT_NUMBER { driver.option_num("hp_ngrid", $3); };
 o_periods : PERIODS EQUAL INT_NUMBER { driver.option_num("periods", $3); };
-o_cutoff : CUTOFF EQUAL non_negative_number { driver.cutoff($3); }
+o_maxit : MAXIT EQUAL INT_NUMBER { driver.option_num("maxit_", $3); };
+o_cutoff : CUTOFF EQUAL non_negative_number { driver.cutoff($3); };
 o_markowitz : MARKOWITZ EQUAL non_negative_number { driver.option_num("markowitz", $3); };
 o_minimal_solving_periods : MINIMAL_SOLVING_PERIODS EQUAL non_negative_number { driver.option_num("minimal_solving_periods", $3); };
 o_mfs : MFS EQUAL INT_NUMBER { driver.mfs($3); };

preprocessor/DynareFlex.ll

@@ -346,6 +346,7 @@ string eofbuff;
 <DYNARE_STATEMENT>max_iterations_increment_value {return token::MAX_ITERATIONS_INCREMENT_VALUE;}
 <DYNARE_STATEMENT>max_block_iterations {return token::MAX_BLOCK_ITERATIONS;}
 <DYNARE_STATEMENT>max_repeated_optimization_runs {return token::MAX_REPEATED_OPTIMIZATION_RUNS;}
+<DYNARE_STATEMENT>maxit {return token::MAXIT;}
 <DYNARE_STATEMENT>function_convergence_criterion {return token::FUNCTION_CONVERGENCE_CRITERION;}
 <DYNARE_STATEMENT>parameter_convergence_criterion {return token::PARAMETER_CONVERGENCE_CRITERION;}
 <DYNARE_STATEMENT>number_of_large_perturbations {return token::NUMBER_OF_LARGE_PERTURBATIONS;}