add get_u0_p to docs

Author: baggepinnen

docs/src/systems/DiscreteSystem.md

@@ -11,6 +11,7 @@ DiscreteSystem
   - `get_eqs(sys)` or `equations(sys)`: The equations that define the Discrete System.
   - `get_delay_val(sys)`: The delay of the Discrete System.
   - `get_iv(sys)`: The independent variable of the Discrete System.
+  - `get_u0_p(sys, u0map, parammap)` Numeric arrays for the initial condition and parameters given `var => value` maps.
 
 ## Transformations
 

docs/src/systems/NonlinearSystem.md

@@ -11,6 +11,7 @@ NonlinearSystem
   - `get_eqs(sys)` or `equations(sys)`: The equations that define the nonlinear system.
   - `get_states(sys)` or `states(sys)`: The set of states in the nonlinear system.
   - `get_ps(sys)` or `parameters(sys)`: The parameters of the nonlinear system.
+  - `get_u0_p(sys, u0map, parammap)` Numeric arrays for the initial condition and parameters given `var => value` maps.
 
 ## Transformations
 

docs/src/systems/ODESystem.md

@@ -12,6 +12,7 @@ ODESystem
   - `get_states(sys)` or `states(sys)`: The set of states in the ODE.
   - `get_ps(sys)` or `parameters(sys)`: The parameters of the ODE.
   - `get_iv(sys)`: The independent variable of the ODE.
+  - `get_u0_p(sys, u0map, parammap)` Numeric arrays for the initial condition and parameters given `var => value` maps.
 
 ## Transformations
 

src/systems/diffeqs/abstractodesystem.jl

@@ -571,15 +571,14 @@ function ODEFunctionExpr{iip}(sys::AbstractODESystem, dvs = states(sys),
 end
 
 """
-    u0, p, defs = get_u0_p(sys, u0map, parammap; tofloat, use_union)
+    u0, p, defs = get_u0_p(sys, u0map, parammap; use_union=false, tofloat=!use_union)
 
 Take dictionaries with initial conditions and parameters and convert them to numeric arrays `u0` and `p`. Also return the merged dictionary `defs` containing the entire operating point. 
 """
-function get_u0_p(sys, u0map, parammap; tofloat, use_union)
+function get_u0_p(sys, u0map, parammap; use_union = false, tofloat = !use_union)
     eqs = equations(sys)
     dvs = states(sys)
     ps = parameters(sys)
-    iv = get_iv(sys)
 
     defs = defaults(sys)
     defs = mergedefaults(defs, parammap, ps)

src/systems/discrete_system/discrete_system.jl

@@ -418,6 +418,7 @@ function process_DiscreteProblem(constructor, sys::DiscreteSystem, u0map, paramm
                                  linenumbers = true, parallel = SerialForm(),
                                  eval_expression = true,
                                  use_union = false,
+                                 tofloat = !use_union,
                                  kwargs...)
     eqs = equations(sys)
     dvs = states(sys)

src/systems/nonlinear/nonlinearsystem.jl

@@ -320,6 +320,7 @@ function process_NonlinearProblem(constructor, sys::NonlinearSystem, u0map, para
                                   linenumbers = true, parallel = SerialForm(),
                                   eval_expression = true,
                                   use_union = false,
+                                  tofloat = !use_union,
                                   kwargs...)
     eqs = equations(sys)
     dvs = states(sys)