Small fixes

JuliaSymbolics · Mar 1, 2021 · d8ec558 · d8ec558 · YingboMa · Mar 1, 2021
1 parent 01cbb3a
commit d8ec558
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Showing 3 changed files with 10 additions and 6 deletions.
diff --git a/Project.toml b/Project.toml
@@ -1,7 +1,7 @@
 name = "Symbolics"
 uuid = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 authors = ["Shashi Gowda <[email protected]>"]
-version = "0.1.0"
+version = "0.1.1"
 
 [deps]
 AbstractAlgebra = "c3fe647b-3220-5bb0-a1ea-a7954cac585d"
@@ -10,6 +10,7 @@ Distributions = "31c24e10-a181-5473-b8eb-7969acd0382f"
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
 IfElse = "615f187c-cbe4-4ef1-ba3b-2fcf58d6d173"
 Latexify = "23fbe1c1-3f47-55db-b15f-69d7ec21a316"
+Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 NaNMath = "77ba4419-2d1f-58cd-9bb1-8ffee604a2e3"

diff --git a/src/Symbolics.jl b/src/Symbolics.jl
@@ -55,6 +55,7 @@ include("diff.jl")
 
 include("linear_algebra.jl")
 
+import Libdl
 include("build_function.jl")
 export build_function
 

diff --git a/src/linear_algebra.jl b/src/linear_algebra.jl
@@ -55,18 +55,20 @@ end
 # return the coefficient matrix `A` and a
 # vector of constants (possibly symbolic) `b` such that
 # A \ b will solve the equations for the vars
-function A_b(eqs::AbstractArray, vars::AbstractArray)
+function A_b(eqs::AbstractArray, vars::AbstractArray, check)
     exprs = rhss(eqs) .- lhss(eqs)
-    for ex in exprs
-        @assert islinear(ex, vars)
+    if check
+        for ex in exprs
+            @assert islinear(ex, vars)
+        end
     end
     A = jacobian(exprs, vars)
     b = A * vars - exprs
     A, b
 end
-function A_b(eq, var)
+function A_b(eq, var, check)
     ex = eq.rhs - eq.lhs
-    @assert islinear(ex, [var])
+    check && @assert islinear(ex, [var])
     a = expand_derivatives(Differential(var)(ex))
     b = a * var - ex
     a, b