From 60e0f9b63c9825a265a93a278bf018d301063ea2 Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Thu, 3 Apr 2025 13:26:02 -0300
Subject: Don't process empty files

---
 get_energy.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/get_energy.cpp b/get_energy.cpp
index 857c1c4..6164a6d 100644
--- a/get_energy.cpp
+++ b/get_energy.cpp
@@ -135,6 +135,7 @@ int main(int argc, char* argv[]) {
 
     std::string file_end = std::to_string(p) + "_" + std::to_string(s) + "_" + std::to_string(λ) + "_" + std::to_string(τ₀) + "_" + std::to_string(y) + "_" + std::to_string(log2n) + "_" + std::to_string(τₘₐₓ) + ".dat";
     std::ifstream cfile("C_"+file_end, std::ios::binary);
+    if (cfile.is_open()) {
     cfile.read((char*)(C.data()), C.size() * sizeof(Real));
     cfile.close();
     std::ifstream rfile("R_"+file_end, std::ios::binary);
@@ -150,6 +151,7 @@ int main(int argc, char* argv[]) {
     std::vector<Complex> Ct = fft.fourier(C);
 
     std::cout << y << " " << energy << " " << Ct[0].real() << std::endl;
+    }
   }
 
   return 0;
-- 
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