From e100a42087f0bf75a815fbe95cd837ba8ac2d22b Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Sat, 16 Dec 2023 17:07:37 -0500
Subject: [PATCH] (re)throw EOF exception when next_dvector() has not yet read
 any items

---
 src/potential_file_reader.cpp | 2 ++
 src/text_file_reader.cpp      | 5 +++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/potential_file_reader.cpp b/src/potential_file_reader.cpp
index 2c0b9a6a55..613225a797 100644
--- a/src/potential_file_reader.cpp
+++ b/src/potential_file_reader.cpp
@@ -144,6 +144,8 @@ void PotentialFileReader::next_dvector(double *list, int n)
 {
   try {
     return reader->next_dvector(list, n);
+  } catch (EOFException &) {
+    throw EOFException("EOF reached");
   } catch (FileReaderException &e) {
     error->one(FLERR, e.what());
   }
diff --git a/src/text_file_reader.cpp b/src/text_file_reader.cpp
index 46a5fd33a9..0b8d717687 100644
--- a/src/text_file_reader.cpp
+++ b/src/text_file_reader.cpp
@@ -189,8 +189,9 @@ void TextFileReader::next_dvector(double *list, int n)
     char *ptr = next_line();
 
     if (ptr == nullptr) {
-      // EOF
-      if (i < n) {
+      if (i == 0) { // EOF without any records
+        throw EOFException("EOF reached");
+      } else if (i < n) { // EOF with incomplete data
         throw FileReaderException(
             fmt::format("Incorrect format in {} file! {}/{} values", filetype, i, n));
       }