add diffeq to project.toml

Author: Vaibhavdixit02

test/downstream/Project.toml

@@ -1,6 +1,7 @@
 [deps]
 BoundaryValueDiffEq = "764a87c0-6b3e-53db-9096-fe964310641d"
 DifferentialEquations = "0c46a032-eb83-5123-abaf-570d42b7fbaa"
+ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 ModelingToolkit = "961ee093-0014-501f-94e3-6117800e7a78"
 Optimization = "7f7a1694-90dd-40f0-9382-eb1efda571ba"
 OptimizationOptimJL = "36348300-93cb-4f02-beb5-3c3902f8871e"

test/downstream/ensemble_diffeq.jl

@@ -1,8 +1,9 @@
 using DifferentialEquations
 
-f(u, p, t) = 1.01 * u
-u0 = 1 / 2
-tspan = (0.0, 1.0)
-prob = ODEProblem(f, u0, tspan)
-ensemble_prob = EnsembleProblem(prob, prob_func = (prob, i, repeat) -> remake(prob, u0 = rand()))
-sim = solve(ensemble_prob, EnsembleThreads(), trajectories = 10, dt = 0.1)
+prob = ODEProblem((u, p, t) -> 1.01u, 0.5, (0.0, 1.0))
+function prob_func(prob, i, repeat)
+    remake(prob, u0 = rand() * prob.u0)
+end
+ensemble_prob = EnsembleProblem(prob, prob_func = prob_func)
+sim = solve(ensemble_prob, Tsit5(), EnsembleThreads(), trajectories = 10)
+@test sim isa EnsembleSolution