remove parameter call finding

Author: ChrisRackauckas

src/ModelingToolkit.jl

@@ -3,7 +3,6 @@ module ModelingToolkit
 export Operation, Expression
 export calculate_jacobian, generate_jacobian, generate_function
 export independent_variables, dependent_variables, parameters
-export find_parameter_calls
 export @register
 
 

src/equations.jl

@@ -10,14 +10,3 @@ Base.:(==)(a::Equation, b::Equation) = isequal((a.lhs, a.rhs), (b.lhs, b.rhs))
 Base.:~(lhs::Expression, rhs::Expression) = Equation(lhs, rhs)
 Base.:~(lhs::Expression, rhs::Number    ) = Equation(lhs, rhs)
 Base.:~(lhs::Number    , rhs::Expression) = Equation(lhs, rhs)
-
-function find_parameter_calls(O::Operation,p_calls=Variable[])
-  if O.op isa Variable && O.op.known && !isempty(O.args)
-      push!(p_calls,O.op)
-      find_parameter_calls.(O.args,(p_calls,))
-  else
-      find_parameter_calls.(O.args,(p_calls,))
-  end
-  p_calls
-end
-find_parameter_calls(O,p_calls) = nothing

test/find_parameter_calls.jl

@@ -3,5 +3,4 @@ using ModelingToolkit, Test
 @testset "Parsing Test" begin include("variable_parsing.jl") end
 @testset "Differentiation Test" begin include("derivatives.jl") end
 @testset "Simplify Test" begin include("simplify.jl") end
-@testset "Parameter Call Finding Test" begin include("find_parameter_calls.jl") end
 @testset "System Construction Test" begin include("system_construction.jl") end