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-rw-r--r--Source/Particles/Collision/MCCProcess.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/Source/Particles/Collision/MCCProcess.cpp b/Source/Particles/Collision/MCCProcess.cpp
index 2e5d7e9f0..383ceb815 100644
--- a/Source/Particles/Collision/MCCProcess.cpp
+++ b/Source/Particles/Collision/MCCProcess.cpp
@@ -102,6 +102,9 @@ MCCProcess::readCrossSectionFile (
energies.push_back(energy);
sigmas.push_back(sigma);
}
+ AMREX_ALWAYS_ASSERT_WITH_MESSAGE(energies.size() > 1,
+ "Failed to read cross-section data from file."
+ );
}
void