Revert "Enable homotopy by default"

Author: lochel

SimulationRuntime/c/simulation/solver/nonlinearSystem.c

@@ -53,7 +53,7 @@
 
 int check_nonlinear_solution(DATA *data, int printFailingSystems, int sysNumber);
 
-int init_lambda_steps = 4;
+int init_lambda_steps = 1;
 
 struct dataNewtonAndHybrid
 {

SimulationRuntime/c/util/simulation_options.c

@@ -142,7 +142,7 @@ const char *FLAG_DESC[FLAG_MAX+1] = {
   /* FLAG_IIF */                   "value specifies an external file for the initialization of the model",
   /* FLAG_IIM */                   "value specifies the initialization method",
   /* FLAG_IIT */                   "[double] value specifies a time for the initialization of the model",
-  /* FLAG_ILS */                   "[int] default: 4",
+  /* FLAG_ILS */                   "[int] default: 1",
   /* FLAG_IMPRK_ORDER */           "[int (default 5)] value specifies the integration order of the implicit Runge-Kutta method. Valid values: 1-6",
   /* FLAG_IMPRK_LS */              "selects the linear solver of the integration methods: impeuler, trapezoid and imprungekuta",
   /* FLAG_INITIAL_STEP_SIZE */     "value specifies an initial step size for supported solver",
@@ -265,7 +265,7 @@ const char *FLAG_DETAILED_DESC[FLAG_MAX+1] = {
   "  Value [Real] specifies a time for the initialization of the model.",
   /* FLAG_ILS */
   "  Value specifies the number of steps for homotopy method (required: -iim=symbolic).\n"
-  "  The value is an Integer with default value 4.",
+  "  The value is an Integer with default value 1.",
   /* FLAG_IMPRK_ORDER */
   "  Value specifies the integration order of the implicit Runge-Kutta method. Valid values: 1 to 6. Default order is 5.",
   /* FLAG_IMPRK_LS */