From 9bd6bd756e078a9e54f33e079300a6e03db677e7 Mon Sep 17 00:00:00 2001
From: Bruce Perry <bruce.perry@nrel.gov>
Date: Tue, 17 Dec 2024 13:25:21 -0700
Subject: [PATCH] blackboxfunc table: table must have at least two points in
 each direction

---
 Source/Utility/BlackBoxFunction/Table.H | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Source/Utility/BlackBoxFunction/Table.H b/Source/Utility/BlackBoxFunction/Table.H
index b9f6c62fc..82cd8f5ce 100644
--- a/Source/Utility/BlackBoxFunction/Table.H
+++ b/Source/Utility/BlackBoxFunction/Table.H
@@ -104,6 +104,10 @@ struct InitParm<TabulatedFunctionData, BlackBoxFunctionData>
     int Ngridtot = 0;
     for (int ii = 0; ii < m_h_tf_data.Ndim; ii++) {
       Ngridtot += m_h_tf_data.dimLengths[ii];
+      if (m_h_tf_data.dimLengths[ii] < 2) {
+        amrex::Abort("TabulatedFunction: Each dimension must have at least two "
+                     "grid points.");
+      }
     }
     m_h_tf_data.grids = static_cast<amrex::Real*>(
       amrex::The_Pinned_Arena()->alloc(Ngridtot * real_size));