From 676b0ef8d0b2f5b68193f3a893039f5a67c4fb6e Mon Sep 17 00:00:00 2001
From: Paul Lang <paul.lang@juliahub.com>
Date: Sun, 16 Jul 2023 22:02:39 +0000
Subject: [PATCH 1/2] allow 2-argument piecewise; use Base.ifelse

---
 Project.toml     | 2 --
 src/SBML.jl      | 1 -
 src/interpret.jl | 4 ++--
 3 files changed, 2 insertions(+), 5 deletions(-)

diff --git a/Project.toml b/Project.toml
index 581ec26..64021c2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -5,7 +5,6 @@ version = "1.4.4"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
-IfElse = "615f187c-cbe4-4ef1-ba3b-2fcf58d6d173"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
 SBML_jll = "bb12108a-f4ef-5f88-8ef3-0b33ff7017f1"
 SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
@@ -14,7 +13,6 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 [compat]
 ConstructionBase = "1.3"
 DocStringExtensions = "0.8, 0.9"
-IfElse = "0.1"
 SBML_jll = "5.19.5"
 Symbolics = "3, 4"
 Unitful = "1"
diff --git a/src/SBML.jl b/src/SBML.jl
index bd4bc5f..3a5eb88 100644
--- a/src/SBML.jl
+++ b/src/SBML.jl
@@ -6,7 +6,6 @@ module SBML
 using SBML_jll, Libdl
 
 using DocStringExtensions
-using IfElse
 using SparseArrays
 using Unitful
 
diff --git a/src/interpret.jl b/src/interpret.jl
index e31438e..b25e6fe 100644
--- a/src/interpret.jl
+++ b/src/interpret.jl
@@ -5,9 +5,9 @@ function sbmlPiecewise(args...)
     if length(args) == 1
         args[1]
     elseif length(args) >= 3
-        IfElse.ifelse(args[2], args[1], sbmlPiecewise(args[3:end]...))
+        ifelse(args[2], args[1], sbmlPiecewise(args[3:end]...))
     else
-        throw(DomainError(args, "malformed piecewise SBML function"))
+        ifelse(args[2], args[1], NaN)
     end
 end
 

From 40dba782b5fb9c02a3da0558fb1e5f597e934c92 Mon Sep 17 00:00:00 2001
From: Paul Lang <47160416+paulflang@users.noreply.github.com>
Date: Mon, 17 Jul 2023 14:10:26 +0200
Subject: [PATCH 2/2] remove IfElse

---
 src/interpret.jl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/interpret.jl b/src/interpret.jl
index b25e6fe..d506187 100644
--- a/src/interpret.jl
+++ b/src/interpret.jl
@@ -14,7 +14,7 @@ end
 sbmlNeq(a, b) = !isequal(a, b)
 function sbmlRelational(op)
     _iter(x, y) = op(x, y)
-    _iter(x, y, args...) = IfElse.ifelse(op(x, y), _iter(y, args...), op(x, y))
+    _iter(x, y, args...) = ifelse(op(x, y), _iter(y, args...), op(x, y))
     _iter
 end