From bfbb09ef7fa11c7a10109eced2ae35225440ee18 Mon Sep 17 00:00:00 2001
From: Aayush Sabharwal <aayush.sabharwal@juliahub.com>
Date: Fri, 28 Jun 2024 11:03:36 +0530
Subject: [PATCH] fix: fix remake for `IntervalNonlinearProblem`

---
 src/remake.jl        | 5 +++++
 test/remake_tests.jl | 8 ++++++++
 2 files changed, 13 insertions(+)

diff --git a/src/remake.jl b/src/remake.jl
index 36fe6e28c..cc826636d 100644
--- a/src/remake.jl
+++ b/src/remake.jl
@@ -63,6 +63,11 @@ function remake(prob::AbstractSciMLProblem; u0 = missing,
     _remake_internal(prob; kwargs..., u0, p)
 end
 
+function remake(prob::AbstractIntervalNonlinearProblem; p = missing, interpret_symbolicmap = true, use_defaults = false, kwargs...)
+    _, p = updated_u0_p(prob, [], p; interpret_symbolicmap, use_defaults)
+    _remake_internal(prob; kwargs..., p)
+end
+
 function remake(prob::AbstractNoiseProblem; kwargs...)
     _remake_internal(prob; kwargs...)
 end
diff --git a/test/remake_tests.jl b/test/remake_tests.jl
index b2817b42b..8f1aa2ec9 100644
--- a/test/remake_tests.jl
+++ b/test/remake_tests.jl
@@ -265,3 +265,11 @@ u0 = [1.0; 2.0; 3.0]
 tspan = (0.0, 100.0)
 prob = ODEProblem(lorenz!, u0, tspan, nothing)
 @test_nowarn remake(prob, p = (), interpret_symbolicmap = true)
+
+# IntervalNonlinearProblem doesn't have a u0
+# Issue#726
+interval_f(u, p) = u * u - 2.0 + p[1]
+uspan = (1.0, 2.0)
+interval_prob = IntervalNonlinearProblem(interval_f, uspan)
+new_prob = @inferred IntervalNonlinearProblem remake(interval_prob; p = [0])
+@test new_prob.p == [0]