Merge pull request #1430 from hersle/forward_kwargs_taylor

Forward taylor() kwargs to substitute()
JuliaSymbolics · Feb 6, 2025 · f8108e4 · f8108e4
2 parents 95e4016 + a47ff54
commit f8108e4
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/taylor.jl b/src/taylor.jl
@@ -136,11 +136,11 @@ function taylor(f, x, x0, n; rationalize=true, kwargs...)
     # 1) substitute dummy x′ = x - x0
     name = Symbol(nameof(x), "′") # e.g. Symbol("x′")
     x′ = only(@variables $name)
-    f = substitute(f, x => x′ + x0)
+    f = substitute(f, x => x′ + x0; kwargs...)
 
     # 2) expand f around x′ = 0
     s = taylor(f, x′, n; rationalize, kwargs...)
 
     # 3) substitute back x = x′ + x0
-    return substitute(s, x′ => x - x0)
+    return substitute(s, x′ => x - x0; kwargs...)
 end
diff --git a/test/taylor.jl b/test/taylor.jl
@@ -66,5 +66,5 @@ eqs = substitute(eqs, Dict(sol))
 
 # don't evaluate numerical expressions
 eq = y ~ 2*Num(π)*x
-eq = taylor(eq, x, 1; rationalize=false, fold=false)
+eq = taylor(eq, x, 0, 1; rationalize=false, fold=false)
 @test contains(string(eq), "π") # should not turn 2*π into 6.28...