Catch failure to solve for differentials earlier. At least makes a le…

…ss confusing error in cases like #157, #165, #170
dsharlet · May 5, 2023 · 783e389 · 783e389
1 parent c9351f9
commit 783e389
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/Circuit/Simulation/TransientSolution.cs b/Circuit/Simulation/TransientSolution.cs
@@ -135,6 +135,9 @@ public static TransientSolution Solve(Analysis Analysis, Expression TimeStep, IE
 
             LogExpressions(Log, MessageType.Verbose, "Discretized system:", system.Select(i => Equal.New(i, 0)));
 
+            if (system.DependsOn(dy_dt))
+                throw new Exception("Failed to eliminate differentials from system of equations.");
+
             // Solving the system...
             List<SolutionSet> solutions = new List<SolutionSet>();